Weather forecast and meteo conditions in Ukraine and the world

USAUSAState of CaliforniaPortola Valley

Weather forecast in Portola Valley place

Current time in Portola Valley:

1
 
2
:
1
 
1
Local time.
Time zone: GMT -8
winter time
* weather indicated in local time
Wednesday, December 18, 2024
The Sun:  Sunrise 07:19, Sunset 16:54.
The Moon:  Moonrise 20:31, Moonset 10:22, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Unstable
 UV index: 2,1 (Low)
Protection from UV radiation from the Sun is not necessary. A UV index reading of 0 to 2 means low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

by dayfrom 12:00 to 18:00Cloudy sky, no precipitation
Air temperature:
 +12...+16 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northeast
Wind: light breeze, northeast, speed 7 km/h
On land:
There is a light continuous stream of wind that is felt by the face; leaves rustle; ordinary vanes moved by wind.
At Sea:
Weak and short waves in the sea, still short, but more pronounced. Crests have a glassy appearance and do not break.

Wind gusts: 36 km/h
Relative humidity: 74-91%
Cloudiness: 100%
Atmospheric pressure: 1005-1008 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00The sky is overcast, no precipitation
Air temperature:
 +10...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 36 km/h
Relative humidity: 77-92%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Visibility: 100%

Wednesday, December 18, 2024 in Portola Valley the weather is expected to be like this:
  • in the afternoon the air temperature warms up to +12...+16°C, dew point: +9,31°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the north-east at a speed of 7 km/h, overcast sky
  • in the evening the air temperature drops to +10...+12°C, dew point: +4,6°C; ratio of temperature, wind speed and humidity: Very comfortable; there may be light precipitation, light breeze wind blowing from the east at a speed of 7 km/h, overcast sky
day length is 09:35
Thursday, December 19, 2024
The Sun:  Sunrise 07:19, Sunset 16:54.
The Moon:  Moonrise 21:36, Moonset 10:53, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Quiet
 UV index: 2,4 (Low)

at nightfrom 00:01 to 06:00Clear skies, no precipitation
Air temperature:
 +9...+10 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 36 km/h
Relative humidity: 69-75%
Cloudiness: 53%
Atmospheric pressure: 1003-1004 hPa
Visibility: 100%

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +9...+15 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 70-78%
Cloudiness: 0%
Atmospheric pressure: 1003-1005 hPa
Visibility: 100%

by dayfrom 12:01 to 18:00Clear skies, no precipitation
Air temperature:
 +13...+16 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 25 km/h
Relative humidity: 70-89%
Cloudiness: 100%
Atmospheric pressure: 1001-1004 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00Cloudy sky, no precipitation
Air temperature:
 +11...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
eastern
Wind: light breeze, eastern, speed 4-7 km/h
Wind gusts: 29 km/h
Relative humidity: 77-95%
Cloudiness: 100%
Atmospheric pressure: 1001 hPa
Visibility: 100%

Thursday, December 19, 2024 in Portola Valley the weather forecast is expected to be like this:
  • during the night the air temperature drops to +9...+10°C, dew point: +2,15°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the east at a speed of 7 km/h, the sky is clear, without clouds
  • in the morning the air temperature warms up to +9...+15°C, dew point: +1,78°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the east at a speed of 7 km/h, the sky is clear, without clouds
  • in the afternoon the air temperature warms up to +13...+16°C, dew point: +8,81°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the east at a speed of 7 km/h, the sky is clear, without clouds
  • in the evening the air temperature drops to +11...+12°C, dew point: +4,68°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the east at a speed of 4-7 km/h, overcast sky
day length is 09:35
Friday, December 20, 2024
The Sun:  Sunrise 07:20, Sunset 16:54.
The Moon:  Moonrise 22:36, Moonset 11:19, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Quiet
 UV index: 1,8 (Low)

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +11...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southeast
Wind: light breeze, southeast, speed 4-7 km/h
Wind gusts: 25 km/h
Relative humidity: 66-78%
Cloudiness: 100%
Atmospheric pressure: 1001 hPa
Visibility: 100%

in the morningfrom 06:01 to 12:00Cloudy sky, no precipitation
Air temperature:
 +11...+15 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southern
Wind: light breeze, southern, speed 4-11 km/h
Wind gusts: 50 km/h
Relative humidity: 68-93%
Cloudiness: 99%
Atmospheric pressure: 1003-1005 hPa
Visibility: 100%

by dayfrom 12:01 to 18:00Cloudy sky, no precipitation
Air temperature:
 +13...+16 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southern
Wind: light breeze, southern, speed 4-11 km/h
Wind gusts: 43 km/h
Relative humidity: 80-89%
Cloudiness: 100%
Atmospheric pressure: 1001-1003 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00The sky is overcast, no precipitation
Air temperature:
 +12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southern
Wind: light breeze, southern, speed 4-11 km/h
Wind gusts: 36 km/h
Relative humidity: 89-94%
Cloudiness: 100%
Atmospheric pressure: 1003-1004 hPa
Visibility: 100%

Friday, December 20, 2024 in Portola Valley the weather is expected to be like this:
  • during the night the air temperature drops to +11...+12°C, dew point: +3,68°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the south-east at a speed of 4-7 km/h, overcast sky
  • in the morning the air temperature warms up to +11...+15°C, dew point: +3,56°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the south at a speed of 4-11 km/h, overcast sky
  • in the afternoon the air temperature warms up to +13...+16°C, dew point: +10,54°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the south at a speed of 4-11 km/h, overcast sky
  • in the evening the air temperature drops to +12°C, dew point: +9,58°C; ratio of temperature, wind speed and humidity: Very comfortable; there may be light precipitation, light breeze wind blowing from the south at a speed of 4-11 km/h, overcast sky
day length is 09:34
Saturday, December 21, 2024
The Sun:  Sunrise 07:20, Sunset 16:55.
The Moon:  Moonrise 23:36, Moonset 11:42, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Quiet
 UV index: 0,9 (Low)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +12...+13 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 11-14 km/h
On land:
The thin branches and leaves on the trees fluctuate continuously; wind extends light flag.
At Sea:
Light and short waves are clearly visible at sea. Foam of glassy appearance. Perhaps scattered white horses.

Wind gusts: 65 km/h
Relative humidity: 76-86%
Cloudiness: 100%
Atmospheric pressure: 1001-1003 hPa
Amount of precipitations: 0,3 mm
Visibility: 100%

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +13...+14 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: moderate breeze, southern, speed 14-22 km/h
On land:
The wind picks up dust and small pieces of paper; small branches are moved.
At Sea:
The sea is moderately rough. Waves appear in the form of elongated ridges, some of which are overturned; fairly frequent white horses.

Wind gusts: 76 km/h
Relative humidity: 74-88%
Cloudiness: 100%
Atmospheric pressure: 1001-1004 hPa
Amount of precipitations: 1,4 mm
Visibility: 73-100%

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +13...+14 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: gentle breeze, southwest, speed 4-14 km/h
Wind gusts: 50 km/h
Relative humidity: 89-95%
Cloudiness: 100%
Atmospheric pressure: 1004-1005 hPa
Amount of precipitations: 1 mm
Visibility: 35-100%

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +12...+13 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: light air, southwest, speed 4 km/h
On land:
Direction of wind shown by smoke drift, but not by wind vanes.
At Sea:
There are very weak waves at sea. Ripples with the appearance of scales are formed, but without foam crests.

Wind gusts: 18 km/h
Relative humidity: 97-99%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Amount of precipitations: 0,1 mm
Visibility: 2-100%

Saturday, December 21, 2024 in Portola Valley the weather forecast is expected to be like this:
  • during the night the air temperature warms up to +12...+13°C, dew point: +8,93°C; ratio of temperature, wind speed and humidity: Slightly dry; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south at a speed of 11-14 km/h, overcast sky
  • in the morning the air temperature warms up to +13...+14°C, dew point: +9,25°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, moderate breeze wind blowing from the south at a speed of 14-22 km/h, overcast sky
  • in the afternoon the air temperature drops to +13...+14°C, dew point: +12,38°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south-west at a speed of 4-14 km/h, overcast sky
  • in the evening the air temperature drops to +12...+13°C, dew point: +10,41°C; ratio of temperature, wind speed and humidity: Very comfortable; fog may form, with visibility of 483 m; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light air wind blowing from the south-west at a speed of 4 km/h, overcast sky
day length is 09:35
Sunday, December 22, 2024
The Sun:  Sunrise 07:21, Sunset 16:55.
The Moon:  Moonrise --:--, Moonset 12:02, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Quiet
 UV index: 2,2 (Low)

at nightfrom 00:01 to 06:00The sky is overcast, no precipitation
Air temperature:
 +11...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southeast
Wind: light air, southeast, speed 4 km/h
Wind gusts: 18 km/h
Relative humidity: 99%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Visibility: 98-100%

in the morningfrom 06:01 to 12:00The sky is overcast, no precipitation
Air temperature:
 +11...+14 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southern
Wind: light air, southern, speed 4 km/h
Wind gusts: 22 km/h
Relative humidity: 88-98%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Visibility: 100%

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +14...+16 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: light breeze, southwest, speed 4-7 km/h
Wind gusts: 25 km/h
Relative humidity: 77-87%
Cloudiness: 100%
Atmospheric pressure: 1004-1005 hPa
Amount of precipitations: 0,9 mm
Visibility: 100%

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +12...+13 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: light air, southern, speed 4 km/h
Wind gusts: 29 km/h
Relative humidity: 88-90%
Cloudiness: 100%
Atmospheric pressure: 1007 hPa
Amount of precipitations: 3,1 mm
Visibility: 100%

Sunday, December 22, 2024 in Portola Valley the weather is expected to be like this:
  • during the night the air temperature drops to +11...+12°C, dew point: +10,04°C; ratio of temperature, wind speed and humidity: Very comfortable; there may be light precipitation, light air wind blowing from the south-east at a speed of 4 km/h, overcast sky
  • in the morning the air temperature warms up to +11...+14°C, dew point: +9,72°C; ratio of temperature, wind speed and humidity: Very comfortable; there may be light precipitation, light air wind blowing from the south at a speed of 4 km/h, overcast sky
  • in the afternoon the air temperature warms up to +14...+16°C, dew point: +10,54°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light breeze wind blowing from the south-west at a speed of 4-7 km/h, overcast sky
  • in the evening the air temperature drops to +12...+13°C, dew point: +9,69°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light air wind blowing from the south at a speed of 4 km/h, overcast sky
day length is 09:34
Monday, December 23, 2024
The Sun:  Sunrise 07:21, Sunset 16:56.
The Moon:  Moonrise 00:33, Moonset 12:23, Moon phase: in its last quarter in its last quarter
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: light air, southeast, speed 4 km/h
Wind gusts: 18 km/h
Relative humidity: 91-93%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Amount of precipitations: 2,6 mm
Visibility: 100%

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +12...+14 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: light air, southern, speed 4 km/h
Wind gusts: 22 km/h
Relative humidity: 89-93%
Cloudiness: 100%
Atmospheric pressure: 1004-1005 hPa
Amount of precipitations: 0,3 mm
Visibility: 100%

by dayfrom 12:01 to 18:00The sky is overcast, no precipitation
Air temperature:
 +15...+16 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southwest
Wind: light air, southwest, speed 4 km/h
Wind gusts: 25 km/h
Relative humidity: 85-94%
Cloudiness: 100%
Atmospheric pressure: 1003-1004 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +13...+14 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 7-11 km/h
Wind gusts: 40 km/h
Relative humidity: 92-98%
Cloudiness: 100%
Atmospheric pressure: 1003 hPa
Amount of precipitations: 1,6 mm
Visibility: 100%

Monday, December 23, 2024 in Portola Valley the weather forecast is expected to be like this:
  • during the night the air temperature drops to +12°C, dew point: +10,15°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light air wind blowing from the south-east at a speed of 4 km/h, overcast sky
  • in the morning the air temperature warms up to +12...+14°C, dew point: +10,08°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light air wind blowing from the south at a speed of 4 km/h, overcast sky
  • in the afternoon the air temperature warms up to +15...+16°C, dew point: +12,87°C; ratio of temperature, wind speed and humidity: Comfortable; there may be light precipitation, light air wind blowing from the south-west at a speed of 4 km/h, overcast sky
  • in the evening the air temperature drops to +13...+14°C, dew point: +11,6°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south at a speed of 7-11 km/h, overcast sky
day length is 09:35
Tuesday, December 24, 2024
The Sun:  Sunrise 07:21, Sunset 16:57.
The Moon:  Moonrise 01:31, Moonset 12:45, Moon phase: in its last quarter in its last quarter
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Rain expected
Air temperature:
 +13...+15 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 68 km/h
Relative humidity: 89-91%
Cloudiness: 100%
Atmospheric pressure: 999-1001 hPa
Amount of precipitations: 20,2 mm
Visibility: 25-100%

in the morningfrom 06:01 to 12:00Rain expected
Air temperature:
 +13...+14 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southwest
Wind: moderate breeze, southwest, speed 14-22 km/h
Wind gusts: 83 km/h
Relative humidity: 87-92%
Cloudiness: 100%
Atmospheric pressure: 999-1001 hPa
Amount of precipitations: 2,7 mm
Visibility: 61-94%

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +10...+13 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
western
Wind: fresh breeze, western, speed 25-29 km/h
On land:
Thin branches and tree trunks sway, and the wind is felt by the hand.
At Sea:
The sea is rough, not very large waves are well developed in length; many white horses are formed.

Wind gusts: 58 km/h
Relative humidity: 86-87%
Cloudiness: 99%
Atmospheric pressure: 1003-1004 hPa
Amount of precipitations: 2,4 mm
Visibility: 66-100%

in the eveningfrom 18:01 to 00:00Variably cloudy
Air temperature:
 +9...+10 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Variably cloudy
western
Wind: moderate breeze, western, speed 14-25 km/h
Wind gusts: 47 km/h
Relative humidity: 89-92%
Cloudiness: 61%
Atmospheric pressure: 1005-1007 hPa
Visibility: 100%

Tuesday, December 24, 2024 in Portola Valley the weather is expected to be like this:
  • during the night the air temperature will be +13...+15°C, dew point: +12,36°C; ratio of temperature, wind speed and humidity: Very comfortable; rain is expected, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south at a speed of 14 km/h, overcast sky
  • in the morning the air temperature drops to +13...+14°C, dew point: +10,26°C; ratio of temperature, wind speed and humidity: Very comfortable; rain is expected, when leaving the house, we recommend that you bring an umbrella, moderate breeze wind blowing from the south-west at a speed of 14-22 km/h, overcast sky
  • in the afternoon the air temperature drops to +10...+13°C, dew point: +7,7°C; ratio of temperature, wind speed and humidity: Slightly dry; rain is expected, when leaving the house, we recommend that you bring an umbrella, fresh breeze wind blowing from the west at a speed of 25-29 km/h, overcast sky
  • in the evening the air temperature drops to +9...+10°C, dew point: +5,99°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, moderate breeze wind blowing from the west at a speed of 14-25 km/h, overcast sky
day length is 09:36
Wednesday, December 25, 2024
The Sun:  Sunrise 07:22, Sunset 16:57.
The Moon:  Moonrise 02:29, Moonset 13:10, Moon phase: in its last quarter in its last quarter
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Light cloud cover in the sky, no precipitation
Air temperature:
 +7...+8 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
southwest
Wind: light breeze, southwest, speed 4-11 km/h
Wind gusts: 40 km/h
Relative humidity: 91-93%
Cloudiness: 45%
Atmospheric pressure: 1007 hPa
Visibility: 100%

in the morningfrom 06:01 to 12:00Variably cloudy
Air temperature:
 +6...+10 °CThe temperature will not change
Weather patterns and meteorological conditions:
Variably cloudy
northern
Wind: light breeze, northern, speed 4-7 km/h
Wind gusts: 18 km/h
Relative humidity: 82-95%
Cloudiness: 69%
Atmospheric pressure: 1007-1008 hPa
Visibility: 100%

by dayfrom 12:01 to 18:00Cloudy sky, no precipitation
Air temperature:
 +10...+11 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northern
Wind: light breeze, northern, speed 4-11 km/h
Wind gusts: 22 km/h
Relative humidity: 62-85%
Cloudiness: 100%
Atmospheric pressure: 1004-1007 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00The sky is overcast, no precipitation
Air temperature:
 +8...+9 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northern
Wind: light air, northern, speed 4 km/h
Relative humidity: 66-69%
Cloudiness: 100%
Atmospheric pressure: 1005 hPa
Visibility: 100%

Wednesday, December 25, 2024 in Portola Valley the weather forecast is expected to be like this:
  • during the night the air temperature drops to +7...+8°C; too cold: chilly, dew point: +4,28°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the south-west at a speed of 4-11 km/h, in some places, small clouds may form in the sky
  • in the morning the air temperature will be +6...+10°C, dew point: +3,75°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the north at a speed of 4-7 km/h, overcast sky
  • in the afternoon the air temperature warms up to +10...+11°C, dew point: +2,73°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the north at a speed of 4-11 km/h, overcast sky
  • in the evening the air temperature drops to +8...+9°C, dew point: +2,55°C; ratio of temperature, wind speed and humidity: Slightly dry; there may be light precipitation, light air wind blowing from the north at a speed of 4 km/h, overcast sky
day length is 09:35
Thursday, December 26, 2024
The Sun:  Sunrise 07:22, Sunset 16:58.
The Moon:  Moonrise 03:30, Moonset 13:38, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +8...+9 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southeast
Wind: light breeze, southeast, speed 4-7 km/h
Relative humidity: 62-68%
Cloudiness: 100%
Atmospheric pressure: 1004 hPa
Visibility: 100%

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +9...+12 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: light breeze, southern, speed 7-11 km/h
Wind gusts: 29 km/h
Relative humidity: 63-73%
Cloudiness: 100%
Atmospheric pressure: 1001-1003 hPa
Amount of precipitations: 0,5 mm
Visibility: 97-100%

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +11...+12 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southern
Wind: gentle breeze, southern, speed 7-14 km/h
Wind gusts: 43 km/h
Relative humidity: 80-97%
Cloudiness: 100%
Atmospheric pressure: 1000-1001 hPa
Amount of precipitations: 7,3 mm
Visibility: 52-95%

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +11...+12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: light air, southwest, speed 4 km/h
Wind gusts: 11 km/h
Relative humidity: 94-98%
Cloudiness: 100%
Atmospheric pressure: 1001-1003 hPa
Amount of precipitations: 0,1 mm
Visibility: 32-57%

Thursday, December 26, 2024 in Portola Valley the weather is expected to be like this:
  • during the night the air temperature drops to +8...+9°C; too cold: chilly, dew point: +2,36°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the south-east at a speed of 4-7 km/h, overcast sky
  • in the morning the air temperature warms up to +9...+12°C, dew point: +2,56°C; ratio of temperature, wind speed and humidity: Slightly dry; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light breeze wind blowing from the south at a speed of 7-11 km/h, overcast sky
  • in the afternoon the air temperature warms up to +11...+12°C, dew point: +8,03°C; ratio of temperature, wind speed and humidity: Very comfortable; rain is expected, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south at a speed of 7-14 km/h, overcast sky
  • in the evening the air temperature drops to +11...+12°C, dew point: +10,86°C; ratio of temperature, wind speed and humidity: Very comfortable; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light air wind blowing from the south-west at a speed of 4 km/h, overcast sky
day length is 09:36
Friday, December 27, 2024
The Sun:  Sunrise 07:23, Sunset 16:59.
The Moon:  Moonrise 04:32, Moonset 14:11, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Light cloud cover in the sky, no precipitation
Air temperature:
 +10...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
western
Wind: light breeze, western, speed 4-7 km/h
Wind gusts: 11 km/h
Relative humidity: 86-92%
Cloudiness: 100%
Atmospheric pressure: 1003 hPa
Visibility: 2-100%

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +9...+13 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 4-7 km/h
Wind gusts: 11 km/h
Relative humidity: 79-94%
Cloudiness: 17%
Atmospheric pressure: 1004-1005 hPa
Visibility: 100%

by dayfrom 12:01 to 18:00Light cloud cover in the sky, no precipitation
Air temperature:
 +11...+14 °CThe temperature will rise
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: light breeze, northwest, speed 7-11 km/h
Wind gusts: 22 km/h
Relative humidity: 70-81%
Cloudiness: 51%
Atmospheric pressure: 1004 hPa
Visibility: 100%

in the eveningfrom 18:01 to 00:00Light cloud cover in the sky, no precipitation
Air temperature:
 +9...+11 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
western
Wind: light breeze, western, speed 4-7 km/h
Wind gusts: 11 km/h
Relative humidity: 86-93%
Cloudiness: 50%
Atmospheric pressure: 1004 hPa
Visibility: 100%

Friday, December 27, 2024 in Portola Valley the weather forecast is expected to be like this:
  • during the night the air temperature drops to +10...+12°C, dew point: +8,54°C; ratio of temperature, wind speed and humidity: Very comfortable; fog may form, with visibility of 483 m; precipitation is not expected, light breeze wind blowing from the west at a speed of 4-7 km/h, in some places, small clouds may form in the sky
  • in the morning the air temperature drops to +9...+13°C, dew point: +8,05°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the west at a speed of 4-7 km/h, the sky is clear, without clouds
  • in the afternoon the air temperature warms up to +11...+14°C, dew point: +8,1°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light breeze wind blowing from the north-west at a speed of 7-11 km/h, in some places, small clouds may form in the sky
  • in the evening the air temperature drops to +9...+11°C, dew point: +7,46°C; ratio of temperature, wind speed and humidity: Very comfortable; precipitation is not expected, light breeze wind blowing from the west at a speed of 4-7 km/h, in some places, small clouds may form in the sky
day length is 09:36
Saturday, December 28, 2024
The Sun:  Sunrise 07:23, Sunset 16:59.
The Moon:  Moonrise 05:36, Moonset 14:52, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Quiet

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +8 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southeast
Wind: light air, southeast, speed 4 km/h
Relative humidity: 87-92%
Cloudiness: 100%
Atmospheric pressure: 1003 hPa
Visibility: 100%

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +9...+11 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: light breeze, southeast, speed 7 km/h
Wind gusts: 14 km/h
Relative humidity: 69-85%
Cloudiness: 100%
Atmospheric pressure: 1001-1003 hPa
Amount of precipitations: 0,1 mm
Visibility: 100%

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +11 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: gentle breeze, southeast, speed 11-14 km/h
Wind gusts: 32 km/h
Relative humidity: 70-75%
Cloudiness: 100%
Atmospheric pressure: 999-1001 hPa
Amount of precipitations: 0,3 mm
Visibility: 95-100%

in the eveningfrom 18:01 to 00:00Rain expected
Air temperature:
 +10...+12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southwest
Wind: gentle breeze, southwest, speed 4-18 km/h
Wind gusts: 50 km/h
Relative humidity: 78-95%
Cloudiness: 100%
Atmospheric pressure: 997-999 hPa
Amount of precipitations: 5,8 mm
Visibility: 62-92%

Saturday, December 28, 2024 in Portola Valley the weather is expected to be like this:
  • during the night the air temperature drops to +8°C, dew point: +6,38°C; ratio of temperature, wind speed and humidity: Slightly dry; precipitation is not expected, light air wind blowing from the south-east at a speed of 4 km/h, overcast sky
  • in the morning the air temperature warms up to +9...+11°C, dew point: +5,3°C; ratio of temperature, wind speed and humidity: Slightly dry; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, light breeze wind blowing from the south-east at a speed of 7 km/h, overcast sky
  • in the afternoon the air temperature warms up to +11°C, dew point: +5,38°C; ratio of temperature, wind speed and humidity: Slightly dry; very light rain may fall in some places, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south-east at a speed of 11-14 km/h, overcast sky
  • in the evening the air temperature drops to +10...+12°C, dew point: +7,55°C; ratio of temperature, wind speed and humidity: Slightly dry; rain is expected, when leaving the house, we recommend that you bring an umbrella, gentle breeze wind blowing from the south-west at a speed of 4-18 km/h, overcast sky
day length is 09:36
see hourly weather forecast in Portola Valley

Temperature trend on the chart

weather in nearby cities

Hourly weather forecast in Portola Valleyweather in Portola Valleytemperature in Portola Valleyweather in Portola Valley todayweather in Portola Valley tomorrowweather in Portola Valley for 3 daysweather in Portola Valley for 5 daysweather in Portola Valley for a weeksunrise and sunset in Portola Valleyrising and setting of the Moon in Portola Valleyexact time in Portola Valley

weather on the map

Additional data

 
You are viewing the weather forecast in Portola Valley place. See also the weather forecast in USA, weather forecast in Portola Valley place (v2), weather forecast in USA (v2)
Country:USA
Telephone country code:+1
Location:State of California
District:San Mateo County
The name of the city or village:Portola Valley
Time zone:America/Los_Angeles, GMT -8. winter time
Coordinates:Latitude: 37.3841; Longitude: -122.235;
Aliases (In other languages):English: Portola ValleyРусский: Портолей ВоллеиУкраїнська: Портолєй Воллєї
 
Portola, Portola Vali, Portolo Valley, bo tuo la gu, bwrtwla faly, portola bhyali, pwrtwla wly kalyfrnya, Портола Вали, بورتولا فالي, پورتولا ولی، کالیفرنیا, पोर्टोला भ्याली, 波托拉谷
The project was created and is maintained by FDSTAR company, 2024

Weather forecast in Portola Valley place

© MeteoCast.ua - weather forecast in your city and your country. All rights reserved, 2024
Privacy Policy
Options of weather forecast displaying
Display temperature:  
 
 
Show the pressure:  
 
 
Display wind speed: