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Weather in Half Moon Bay for a week

Current time in Half Moon Bay:

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Local time.
Time zone: GMT -7
Summertime (plus one hour)
* weather indicated in local time
Thursday, March 27, 2025
The Sun:  Sunrise 07:02, Sunset 19:28.
The Moon:  Moonrise 06:08, Moonset 17:45, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Active
  Water temperature in the sea: +12 °C
 UV index: 4,6 (Moderate)

by dayfrom 13:00 to 18:00Sometimes short-term rains
Air temperature:
 +13...+14 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: moderate breeze, southwest, speed 22-25 km/h
Wind gusts: 47 km/h
Relative humidity: 84-87%
Cloudiness: 99%
Atmospheric pressure: 1013-1015 hPa
Waves in the sea: slight, wave height of 1 m
Amount of precipitations: 3,3 mm

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: gentle breeze, southern, speed 11-18 km/h
Wind gusts: 36 km/h
Relative humidity: 84-91%
Cloudiness: 99%
Atmospheric pressure: 1013-1015 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  1,4 mm

Friday, March 28, 2025
The Sun:  Sunrise 07:01, Sunset 19:29.
The Moon:  Moonrise 06:36, Moonset 18:59, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Active
  Water temperature in the sea: +12 °C
 UV index: 6 (High)

at nightfrom 00:01 to 06:00Sometimes 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 breeze, southwest, speed 7-11 km/h
Wind gusts: 25 km/h
Relative humidity: 91-92%
Cloudiness: 100%
Atmospheric pressure: 1015-1016 hPa
Waves in the sea: calm (rippled), wave height of 0,2 m
Amount of precipitations: 3,2 mm

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +11...+12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: gentle breeze, western, speed 11-18 km/h
Wind gusts: 25 km/h
Relative humidity: 81-91%
Cloudiness: 86%
Atmospheric pressure: 1015-1017 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  1,7 mm

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +13 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: gentle breeze, western, speed 14-18 km/h
Wind gusts: 32 km/h
Relative humidity: 66-76%
Cloudiness: 100%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  0,1 mm

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
western
Wind: gentle breeze, western, speed 7-14 km/h
Wind gusts: 29 km/h
Relative humidity: 72-84%
Cloudiness: 100%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  0,2 mm

Saturday, March 29, 2025
The Sun:  Sunrise 06:59, Sunset 19:30.
The Moon:  Moonrise 07:03, Moonset 20:15, Moon phase: new new
 Geomagnetic Field: Unstable
  Water temperature in the sea: +12 °C
 UV index: 5,9 (Moderate)

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +10 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind: gentle breeze, northwest, speed 11-14 km/h
Wind gusts: 22 km/h
Relative humidity: 85-88%
Cloudiness: 100%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m

in the morningfrom 06:01 to 12:00Cloudy sky, no precipitation
Air temperature:
 +9...+12 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind: gentle breeze, northwest, speed 11-14 km/h
Wind gusts: 18 km/h
Relative humidity: 70-84%
Cloudiness: 91%
Atmospheric pressure: 1016 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m

by dayfrom 12:01 to 18:00The sky is overcast, no precipitation
Air temperature:
 +12...+13 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
western
Wind: gentle breeze, western, speed 14-18 km/h
Wind gusts: 32 km/h
Relative humidity: 66-70%
Cloudiness: 100%
Atmospheric pressure: 1015-1016 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +10...+11 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: gentle breeze, western, speed 11-14 km/h
Wind gusts: 18 km/h
Relative humidity: 71-81%
Cloudiness: 100%
Atmospheric pressure: 1013-1015 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  0,2 mm

Sunday, March 30, 2025
The Sun:  Sunrise 06:58, Sunset 19:31.
The Moon:  Moonrise 07:32, Moonset 21:33, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Quiet
  Water temperature in the sea: +12 °C
 UV index: 3,9 (Moderate)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +9...+10 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: light breeze, southeast, speed 4-11 km/h
Wind gusts: 14 km/h
Relative humidity: 76-86%
Cloudiness: 100%
Atmospheric pressure: 1011-1013 hPa
Waves in the sea: calm (rippled), wave height of 0,2 m
Amount of precipitations:  1,2 mm

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
southeast
Wind: gentle breeze, southeast, speed 11-18 km/h
Wind gusts: 32 km/h
Relative humidity: 65-74%
Cloudiness: 100%
Atmospheric pressure: 1009-1011 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  2,8 mm

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +12...+13 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind:  strong breezestrong breeze, southern, speed 25-40 km/h
Wind gusts: 76 km/h
Relative humidity: 70-85%
Cloudiness: 100%
Atmospheric pressure: 1009 hPa
Waves in the sea: rough, wave height of 3 m
Amount of precipitations:  0,9 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: moderate breeze, southwest, speed 11-25 km/h
Wind gusts: 58 km/h
Relative humidity: 88-95%
Cloudiness: 100%
Atmospheric pressure: 1009-1013 hPa
Waves in the sea: slight, wave height of 1 m
Amount of precipitations:  0,8 mm

Monday, March 31, 2025
The Sun:  Sunrise 06:56, Sunset 19:32.
The Moon:  Moonrise 08:05, Moonset 22:52, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Quiet
  Water temperature in the sea: +12 °C
 UV index: 2,8 (Low)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +12 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: fresh breeze, southwest, speed 14-29 km/h
Wind gusts: 47 km/h
Relative humidity: 90-91%
Cloudiness: 100%
Atmospheric pressure: 1013-1016 hPa
Waves in the sea: moderate, wave height of 2 m
Amount of precipitations:  0,7 mm

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +12...+13 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: moderate breeze, southwest, speed 11-22 km/h
Wind gusts: 40 km/h
Relative humidity: 81-91%
Cloudiness: 100%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: slight, wave height of 1 m
Amount of precipitations:  1,9 mm

by dayfrom 12:01 to 18:00Sometimes 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: moderate breeze, southwest, speed 22-25 km/h
Wind gusts: 47 km/h
Relative humidity: 82-87%
Cloudiness: 99%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: slight, wave height of 1 m
Amount of precipitations: 6,4 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +10...+12 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: gentle breeze, western, speed 7-18 km/h
Wind gusts: 40 km/h
Relative humidity: 80-86%
Cloudiness: 100%
Atmospheric pressure: 1016-1019 hPa
Waves in the sea: smooth (wavelets), wave height of 0,6 m
Amount of precipitations:  0,3 mm

Tuesday, April 1, 2025
The Sun:  Sunrise 06:55, Sunset 19:33.
The Moon:  Moonrise 08:45, Moonset --:--, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Quiet
  Water temperature in the sea: +12 °C

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +9...+10 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northwest
Wind: light breeze, northwest, speed 4-7 km/h
Wind gusts: 14 km/h
Relative humidity: 80%
Cloudiness: 100%
Atmospheric pressure: 1017-1019 hPa
Waves in the sea: calm (rippled), wave height of 0,2 m
Amount of precipitations:  0,4 mm

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +9...+11 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northwest
Wind: light breeze, northwest, speed 4-7 km/h
Relative humidity: 68-79%
Cloudiness: 100%
Atmospheric pressure: 1016-1017 hPa
Waves in the sea: calm (rippled), wave height of 0,2 m
Amount of precipitations:  0,8 mm

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +11...+12 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: light breeze, southwest, speed 4-11 km/h
Wind gusts: 22 km/h
Relative humidity: 63-66%
Cloudiness: 100%
Atmospheric pressure: 1011-1016 hPa
Waves in the sea: calm (rippled), wave height of 0,2 m
Amount of precipitations:  2 mm

in the eveningfrom 18:01 to 00:00Rain expected
Air temperature:
 +10...+11 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southeast
Wind: fresh breeze, southeast, speed 14-32 km/h
Wind gusts: 68 km/h
Relative humidity: 66-82%
Cloudiness: 100%
Atmospheric pressure: 1003-1009 hPa
Waves in the sea: moderate, wave height of 2 m
Amount of precipitations: 7,7 mm

Wednesday, April 2, 2025
The Sun:  Sunrise 06:53, Sunset 19:34.
The Moon:  Moonrise 09:32, Moonset 00:09, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Unstable
  Water temperature in the sea: +12 °C

at nightfrom 00:01 to 06:00Rain expected
Air temperature:
 +10...+11 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northeast
Wind:  near galenear gale, northeast, speed 40-58 km/h
Wind gusts: 86 km/h
Relative humidity: 84-89%
Cloudiness: 100%
Atmospheric pressure: 1000-1001 hPa
Waves in the sea: phenomenal, wave height of 4 m
Amount of precipitations: 7,3 mm

in the morningfrom 06:01 to 12:00Rain expected
Air temperature:
 +10...+12 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northwest
Wind: fresh breeze, northwest, speed 29-36 km/h
Wind gusts: 54 km/h
Relative humidity: 65-87%
Cloudiness: 96%
Atmospheric pressure: 1001-1007 hPa
Waves in the sea: moderate, wave height of 2 m
Amount of precipitations:  1,8 mm

by dayfrom 12:01 to 18:00Light cloud cover in the sky, no precipitation
Air temperature:
 +12...+13 °CThe temperature will rise
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: fresh breeze, northwest, speed 36 km/h
Wind gusts: 50 km/h
Relative humidity: 63-66%
Cloudiness: 63%
Atmospheric pressure: 1007-1008 hPa
Waves in the sea: moderate, wave height of 2 m

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
western
Wind: fresh breeze, western, speed 29-36 km/h
Wind gusts: 50 km/h
Relative humidity: 69-75%
Cloudiness: 59%
Atmospheric pressure: 1008-1009 hPa
Waves in the sea: moderate, wave height of 2 m
Amount of precipitations:  0,2 mm

weather in nearby cities

Sometimes short-term rains El Granada  +14 °C 
Sometimes short-term rains Purisima (historical)  +14 °C 
Sometimes short-term rains Highlands-Baywood Park  +15 °C 
Sometimes short-term rains Moss Beach  +14 °C 
Sometimes short-term rains Montara  +14 °C 
Sometimes short-term rains Hillsborough Park  +15 °C 
Sometimes short-term rains Hillsborough  +15 °C 
Sometimes short-term rains Belle Monte  +15 °C 
Sometimes short-term rains Emerald Lake Hills  +15 °C 
Sometimes short-term rains San Mateo  +15 °C 
Sometimes short-term rains Burlingame  +15 °C 
Sometimes short-term rains Belmont  +16 °C 
Sometimes short-term rains Millbrae  +15 °C 
Sometimes short-term rains San Carlos  +16 °C 
Sometimes short-term rains San Gregorio  +13 °C 
Sometimes short-term rains Woodside  +15 °C 
Sometimes short-term rains Redwood City  +16 °C 
Sometimes short-term rains Pacifica  +14 °C 
Sometimes short-term rains Foster City  +16 °C 
Sometimes short-term rains San Bruno  +15 °C 
Sometimes short-term rains Portola Valley  +14 °C 
Sometimes short-term rains West Menlo Park  +15 °C 
Sometimes short-term rains Atherton  +16 °C 
Sometimes short-term rains La Honda  +14 °C 
Sometimes short-term rains South San Francisco  +15 °C 
Sometimes short-term rains Ladera  +14 °C 
Sometimes short-term rains Menlo Park  +15 °C 
Sometimes short-term rains Pescadero  +13 °C 
Sometimes short-term rains Stanford  +15 °C 
Sometimes short-term rains Colma  +14 °C 
Sometimes short-term rains Brisbane  +15 °C 
Sometimes short-term rains Broadmoor  +14 °C 
Sometimes short-term rains Palo Alto  +15 °C 
Sometimes short-term rains East Palo Alto  +16 °C 
Sometimes short-term rains Broadmoor Village  +14 °C 
Sometimes short-term rains Daly City  +14 °C 
Sometimes short-term rains Los Altos Hills  +15 °C 
Sometimes short-term rains Los Altos  +15 °C 
Sometimes short-term rains Loyola  +15 °C 
Sometimes short-term rains Mountain View  +15 °C 
Sometimes short-term rains Robert (historical)  +15 °C 
Sometimes short-term rains San Francisco  +14 °C 
Sometimes short-term rains Newark  +17 °C 
Sometimes short-term rains San Lorenzo  +15 °C 
Sometimes short-term rains Sunnyvale  +16 °C 
Sometimes short-term rains Alameda  +15 °C 
Sometimes short-term rains Cherryland  +15 °C 
Sometimes short-term rains San Leandro  +15 °C 

Temperature trend on the chart

DateTemperature,°C14131313131213131211111211121211991091013121010121011131211111310111413131313121313121112111112MaximumAverageMinimumat nightin the morningby dayin the evening27.328.329.330.331.301.402.49101112131415
weather in Half Moon Baytemperature in Half Moon BayHourly weather forecast in Half Moon Bayweather in Half Moon Bay todayweather in Half Moon Bay tomorrowweather in Half Moon Bay for 3 daysweather in Half Moon Bay for 5 dayssunrise and sunset in Half Moon Bayrising and setting of the Moon in Half Moon Bayexact time in Half Moon Bay

Additional data

Country:USA
Telephone country code:+1
Location:State of California
District:San Mateo County
The name of the city or village:Half Moon Bay
Time zone:America/Los_Angeles, GMT -7. Summertime (plus one hour)
Coordinates:Latitude: 37.4636; Longitude: -122.429;
Aliases (In other languages):English: Half Moon BayРусский: Холф Мун БейУкраїнська: Холф Мун Бей
 
Halfmoon Bay, Khaf Mun Bej, Khalf Mun Bej, San Benito, San Benitos, Spanish Town, Spanishtown, ban yue wan, haf mwn by, hafumunbei, half mwwn bay, hapha muna be, Халф Мун Бей, Хаф Мун Беј, هاف مون بی, هالف موون باي, हाफ मून बे, ハーフムーンベイ, 半月灣
The project was created and is maintained by FDSTAR company, 2025

Weather in Half Moon Bay for a week

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Protection from UV radiation from the Sun is necessary. A UV index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. Stay in shade near midday when the sun is strongest. If outdoors, wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
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.
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.
Protection from UV radiation from the Sun is necessary. A UV index reading of 6 to 7 means high risk of harm from unprotected sun exposure. Protection against skin and eye damage is needed. Reduce time in the sun between 10 a.m. and 4 p.m. If outdoors, seek shade and wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
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.
On land:
Large branches of trees sway, and thin ones bend; whistling heard in telegraph wires; umbrellas used with difficulty.
At Sea:
Large waves form on the sea; the white foam crests are more extensive everywhere.
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.
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.
On land:
Large branches bend on the trees, and the trunks sway; inconvenience felt when walking against the wind.
At Sea:
Strong waves are piling up on the sea; Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind.