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.

Mostly Cloudy

67°F

19°C

Humidity 37%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 7 Jan 2:55 pm EST
Extended Forecast for

3 Miles S Thornburg VA

  • Tonight

    Tonight: Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 1pm. Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 55. Southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 57. Calm wind.
Thursday Night
Mostly cloudy, with a low around 39. Calm wind.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 55. Southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.5°W (Elev. 226 ft)
Last Update:
12:55 pm EST Jan 7, 2026
Forecast Valid:
3pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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