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USAUSAState of MarylandSt. Charles

Weather in St. Charles for a week

Current time in St. Charles:

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Local time.
Time zone: GMT -4
Summertime (plus one hour)
* weather indicated in local time
Saturday, May 24, 2025
The Sun:  Sunrise 05:49, Sunset 20:20.
The Moon:  Moonrise 03:47, Moonset 17:44, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Active
 UV index: 8,2 (Very high)

at nightfrom 01:00 to 06:00Light cloud cover in the sky, no precipitation
Air temperature:
 +10...+13 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
western
Wind: gentle breeze, western, speed 11-14 km/h
Wind gusts: 43 km/h
Relative humidity: 66-74%
Cloudiness: 38%
Atmospheric pressure: 1009-1011 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +10...+17 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: moderate breeze, western, speed 11-22 km/h
Wind gusts: 47 km/h
Relative humidity: 50-77%
Cloudiness: 65%
Atmospheric pressure: 1011-1012 hPa

by dayfrom 12:01 to 18:00Cloudy sky, no precipitation
Air temperature:
 +18...+21 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind: moderate breeze, northwest, speed 18-22 km/h
Wind gusts: 43 km/h
Relative humidity: 34-50%
Cloudiness: 67%
Atmospheric pressure: 1011-1012 hPa

in the eveningfrom 18:01 to 00:00Clear skies, no precipitation
Air temperature:
 +13...+20 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: gentle breeze, northwest, speed 11-18 km/h
Wind gusts: 40 km/h
Relative humidity: 35-65%
Cloudiness: 64%
Atmospheric pressure: 1011-1013 hPa

Sunday, May 25, 2025
The Sun:  Sunrise 05:49, Sunset 20:21.
The Moon:  Moonrise 04:18, Moonset 19:03, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Active
 UV index: 8,9 (Very high)

at nightfrom 00:01 to 06:00Clear skies, no precipitation
Air temperature:
 +9...+13 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: light breeze, northwest, speed 7-11 km/h
Wind gusts: 36 km/h
Relative humidity: 69-77%
Cloudiness: 43%
Atmospheric pressure: 1013-1015 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +9...+18 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: gentle breeze, northwest, speed 7-14 km/h
Wind gusts: 32 km/h
Relative humidity: 52-79%
Cloudiness: 16%
Atmospheric pressure: 1016 hPa

by dayfrom 12:01 to 18:00Light cloud cover in the sky, no precipitation
Air temperature:
 +19...+22 °CThe temperature will rise
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: gentle breeze, northwest, speed 14 km/h
Wind gusts: 32 km/h
Relative humidity: 37-46%
Cloudiness: 92%
Atmospheric pressure: 1013-1016 hPa

in the eveningfrom 18:01 to 00:00The sky is overcast, no precipitation
Air temperature:
 +16...+21 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northwest
Wind: light breeze, northwest, speed 7-11 km/h
Wind gusts: 32 km/h
Relative humidity: 40-62%
Cloudiness: 100%
Atmospheric pressure: 1013-1015 hPa

Monday, May 26, 2025
The Sun:  Sunrise 05:48, Sunset 20:22.
The Moon:  Moonrise 04:57, Moonset 20:24, Moon phase: waning crescent waning crescent
 Geomagnetic Field: Active
 UV index: 8,8 (Very high)

at nightfrom 00:01 to 06:00Rain expected
Air temperature:
 +12...+16 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northwest
Wind: light breeze, northwest, speed 7-11 km/h
Wind gusts: 25 km/h
Relative humidity: 65-84%
Cloudiness: 97%
Atmospheric pressure: 1015-1016 hPa
Amount of precipitations:  1,1 mm

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +12...+15 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northern
Wind: gentle breeze, northern, speed 11-14 km/h
Wind gusts: 29 km/h
Relative humidity: 56-76%
Cloudiness: 61%
Atmospheric pressure: 1016-1017 hPa

by dayfrom 12:01 to 18:00Cloudy sky, no precipitation
Air temperature:
 +17...+21 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northern
Wind: light breeze, northern, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 39-51%
Cloudiness: 91%
Atmospheric pressure: 1017 hPa

in the eveningfrom 18:01 to 00:00Variably cloudy
Air temperature:
 +15...+20 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Variably cloudy
southeast
Wind: light breeze, southeast, speed 4-7 km/h
Wind gusts: 25 km/h
Relative humidity: 42-65%
Cloudiness: 75%
Atmospheric pressure: 1017-1019 hPa

Tuesday, May 27, 2025
The Sun:  Sunrise 05:47, Sunset 20:23.
The Moon:  Moonrise 05:44, Moonset 21:40, Moon phase: new new
 Geomagnetic Field: Minor Storm
 UV index: 6,1 (High)

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +12...+14 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southern
Wind: light air, southern, speed 4 km/h
Relative humidity: 75-82%
Cloudiness: 94%
Atmospheric pressure: 1019 hPa

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +13...+17 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: light breeze, southeast, speed 4-7 km/h
Wind gusts: 18 km/h
Relative humidity: 74-84%
Cloudiness: 100%
Atmospheric pressure: 1019-1020 hPa
Amount of precipitations:  0,1 mm

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +16...+17 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southeast
Wind: gentle breeze, southeast, speed 7-14 km/h
Wind gusts: 32 km/h
Relative humidity: 78-84%
Cloudiness: 100%
Atmospheric pressure: 1019-1020 hPa
Amount of precipitations: 3,6 mm

in the eveningfrom 18:01 to 00:00Rain expected
Air temperature:
 +14...+15 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
eastern
Wind: gentle breeze, eastern, speed 14-18 km/h
Wind gusts: 43 km/h
Relative humidity: 86-97%
Cloudiness: 100%
Atmospheric pressure: 1017-1019 hPa
Amount of precipitations: 7,9 mm

Wednesday, May 28, 2025
The Sun:  Sunrise 05:47, Sunset 20:24.
The Moon:  Moonrise 06:42, Moonset 22:46, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Moderate Storm
 UV index: 0,1 (Low)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +14...+15 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: gentle breeze, eastern, speed 14 km/h
Wind gusts: 43 km/h
Relative humidity: 97%
Cloudiness: 100%
Atmospheric pressure: 1015-1017 hPa
Amount of precipitations: 15,8 mm

in the morningfrom 06:01 to 12:00Rain expected
Air temperature:
 +15...+16 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southeast
Wind: gentle breeze, southeast, speed 14 km/h
Wind gusts: 36 km/h
Relative humidity: 95-97%
Cloudiness: 100%
Atmospheric pressure: 1015 hPa
Amount of precipitations: 12,3 mm

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +16...+17 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
eastern
Wind: gentle breeze, eastern, speed 11-14 km/h
Wind gusts: 36 km/h
Relative humidity: 90-94%
Cloudiness: 100%
Atmospheric pressure: 1011-1015 hPa
Amount of precipitations:  1,3 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +15...+17 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 94-95%
Cloudiness: 100%
Atmospheric pressure: 1011-1012 hPa
Amount of precipitations:  1,3 mm

Thursday, May 29, 2025
The Sun:  Sunrise 05:46, Sunset 20:24.
The Moon:  Moonrise 07:50, Moonset 23:40, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Moderate Storm

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +15 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 7-11 km/h
Wind gusts: 22 km/h
Relative humidity: 95-96%
Cloudiness: 99%
Atmospheric pressure: 1012 hPa
Amount of precipitations:  1 mm

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +15...+20 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 79-94%
Cloudiness: 100%
Atmospheric pressure: 1012-1013 hPa
Amount of precipitations:  1,2 mm

by dayfrom 12:01 to 18:00Rain and thunderstorms expected
Air temperature:
 +20...+24 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain and thunderstorms expected
northwest
Wind: light breeze, northwest, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 68-75%
Cloudiness: 98%
Atmospheric pressure: 1009-1012 hPa
Amount of precipitations:  1,3 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +20...+23 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: light breeze, southwest, speed 7 km/h
Wind gusts: 25 km/h
Relative humidity: 69-89%
Cloudiness: 92%
Atmospheric pressure: 1008-1009 hPa
Amount of precipitations:  0,1 mm

Friday, May 30, 2025
The Sun:  Sunrise 05:46, Sunset 20:25.
The Moon:  Moonrise 09:02, Moonset --:--, Moon phase: waxing crescent waxing crescent
 Geomagnetic Field: Active

at nightfrom 00:01 to 06:00Cloudy sky, no precipitation
Air temperature:
 +17...+20 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southwest
Wind: light breeze, southwest, speed 7 km/h
Wind gusts: 29 km/h
Relative humidity: 86-92%
Cloudiness: 97%
Atmospheric pressure: 1005-1008 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +18...+23 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: gentle breeze, northwest, speed 7-18 km/h
Wind gusts: 40 km/h
Relative humidity: 61-81%
Cloudiness: 70%
Atmospheric pressure: 1005-1007 hPa

by dayfrom 12:01 to 18:00Cloudy sky, no precipitation
Air temperature:
 +23...+25 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind: gentle breeze, northwest, speed 14-18 km/h
Wind gusts: 43 km/h
Relative humidity: 47-57%
Cloudiness: 98%
Atmospheric pressure: 1003-1005 hPa

in the eveningfrom 18:01 to 00:00The sky is overcast, no precipitation
Air temperature:
 +18...+23 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
western
Wind: gentle breeze, western, speed 4-11 km/h
Wind gusts: 29 km/h
Relative humidity: 51-86%
Cloudiness: 99%
Atmospheric pressure: 1001-1003 hPa

weather in nearby cities

Light cloud cover in the sky, no precipitation Saint Charles  +12 °C 
Light cloud cover in the sky, no precipitation Waldorf  +12 °C 
Light cloud cover in the sky, no precipitation Bennsville  +12 °C 
Light cloud cover in the sky, no precipitation Bryantown  +12 °C 
Light cloud cover in the sky, no precipitation La Plata  +12 °C 
Light cloud cover in the sky, no precipitation Pomfret  +12 °C 
Light cloud cover in the sky, no precipitation Accokeek  +12 °C 
Light cloud cover in the sky, no precipitation Brandywine  +13 °C 
Light cloud cover in the sky, no precipitation Accokeek Lawn  +12 °C 
Light cloud cover in the sky, no precipitation Cedarville  +12 °C 
Light cloud cover in the sky, no precipitation Pomonkey  +12 °C 
Light cloud cover in the sky, no precipitation Bryans Road  +13 °C 
Light cloud cover in the sky, no precipitation Ft. Washington  +13 °C 
Light cloud cover in the sky, no precipitation Baden  +12 °C 
Light cloud cover in the sky, no precipitation Port Tobacco Riviera  +12 °C 
Light cloud cover in the sky, no precipitation Hughesville  +12 °C 
Light cloud cover in the sky, no precipitation Tantallon  +13 °C 
Light cloud cover in the sky, no precipitation Friendly  +13 °C 
Light cloud cover in the sky, no precipitation Aquasco  +12 °C 
Light cloud cover in the sky, no precipitation Clinton  +13 °C 
Light cloud cover in the sky, no precipitation Fort Hunt  +13 °C 
Light cloud cover in the sky, no precipitation Potomac Heights  +12 °C 
Light cloud cover in the sky, no precipitation Charlotte Hall  +12 °C 
Light cloud cover in the sky, no precipitation Rosaryville  +13 °C 
Light cloud cover in the sky, no precipitation Hollindale  +13 °C 
Light cloud cover in the sky, no precipitation Mount Vernon  +13 °C 
Light cloud cover in the sky, no precipitation Indian Head  +12 °C 
Light cloud cover in the sky, no precipitation Hybla Valley  +13 °C 
Light cloud cover in the sky, no precipitation National Harbor  +13 °C 
Light cloud cover in the sky, no precipitation Eagle Harbor  +12 °C 
Light cloud cover in the sky, no precipitation Croom  +13 °C 
Light cloud cover in the sky, no precipitation Oxon Hill-Glassmanor  +13 °C 
Light cloud cover in the sky, no precipitation Mount Vernon Woods  +13 °C 
Light cloud cover in the sky, no precipitation Woodlawn  +13 °C 
Clear skies, no precipitation Marlton  +13 °C 
Light cloud cover in the sky, no precipitation Camp Springs  +13 °C 
Light cloud cover in the sky, no precipitation Andrews AFB CDP  +13 °C 
Light cloud cover in the sky, no precipitation Fort Belvoir  +13 °C 
Light cloud cover in the sky, no precipitation Oxon Hill  +13 °C 
Light cloud cover in the sky, no precipitation Temple Hills Park  +13 °C 
Light cloud cover in the sky, no precipitation Groveton  +13 °C 
Light cloud cover in the sky, no precipitation Temple Hills  +13 °C 
Light cloud cover in the sky, no precipitation Belle Haven  +13 °C 
Light cloud cover in the sky, no precipitation Forest Heights  +13 °C 
Cloudy sky, no precipitation Benedict  +12 °C 
Light cloud cover in the sky, no precipitation Mechanicsville  +13 °C 
Light cloud cover in the sky, no precipitation Ironsides  +12 °C 
Light cloud cover in the sky, no precipitation Huntington  +13 °C 

Temperature trend on the chart

DateTemperature,°C2122211717241516161516192110121214151712111413151519141414151618212021191717222417191815162221MaximumAverageMinimumat nightin the morningby dayin the evening24.525.526.527.528.529.530.51012.51517.52022.525

Additional data

Country:USA
Telephone country code:+1
Location:State of Maryland
District:Charles County
The name of the city or village:St. Charles
Time zone:America/New_York, GMT -4. Summertime (plus one hour)
Coordinates:Latitude: 38.6073; Longitude: -76.9248;
Aliases (In other languages):English: St. CharlesРусский: Ст. ЧерлесУкраїнська: Ст. Черлєс
 
St. Charles CDP
The project was created and is maintained by FDSTAR company, 2025

Weather in St. Charles for a week

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Enhanced protection from UV radiation from the Sun is required. A UV index reading of 8 to 10 means very high risk of harm from unprotected sun exposure. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Minimize sun exposure 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:
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.
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:
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.
Power systems: Weak power grid fluctuations can occur.

Spacecraft operations: Minor impact on satellite operations possible.

Other systems: Migratory animals are affected at this and higher levels; aurora is commonly visible at high latitudes (northern Michigan and Maine).
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:
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.
Power systems: High-latitude power systems may experience voltage alarms, long-duration storms may cause transformer damage.

Spacecraft operations: Corrective actions to orientation may be required by ground control; possible changes in drag affect orbit predictions.

Other systems: HF radio propagation can fade at higher latitudes, and aurora has been seen as low as New York and Idaho (typically 55° geomagnetic latitude.).
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.