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Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

52°F

11°C

Humidity 85%
Wind Speed Calm
Barometer 29.90 in (1012.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 Mar 6:55 am EDT
Extended Forecast for

Saint Charles MD

  • Today

    Today: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. South wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers after 4am. Some of the storms could be severe. Low around 46. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Showers, mainly before 11am. Temperature falling to around 45 by noon. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F⇓

    Showers and
    Breezy then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy, with a south wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 55 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. South wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, then showers after 4am. Some of the storms could be severe. Low around 46. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 11am. Temperature falling to around 45 by noon. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 55. Breezy, with a south wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Rain, mainly after 8pm. Low around 51. Chance of precipitation is 80%.
Monday
Rain. High near 64. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MD
 38.59°N 76.93°W (Elev. 197 ft)
Last Update:
5:20 am EDT Mar 11, 2026
Forecast Valid:
7am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation