National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

44°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 Oct 7:15 am EDT
Extended Forecast for

4 Miles SE Thornburg VA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.

    High: 73 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light south wind.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly sunny, with a high near 75. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 49. South wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Monday

    Monday: A chance of showers before 8am. Partly sunny, then gradually becoming sunny, with a high near 66. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 55. Light south wind.
Sunday
A slight chance of showers after 2pm. Mostly sunny, with a high near 75. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 49. South wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Partly sunny, then gradually becoming sunny, with a high near 66. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 39.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Thornburg VA
 38.08°N 77.47°W (Elev. 197 ft)
Last Update:
1:47 am EDT Oct 18, 2025
Forecast Valid:
8am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation