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

68°F

20°C

Humidity 34%
Wind Speed SW 10 mph
Barometer 30.05 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Mar 12:15 pm EDT
Extended Forecast for

3 Miles S Thornburg VA

  • This Afternoon

    This Afternoon: A chance of showers after 5pm. Increasing clouds, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 70. North wind 3 to 8 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southwest wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers after 5pm. Increasing clouds, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 70. North wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 81. Southwest wind 3 to 8 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 63. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.5°W (Elev. 226 ft)
Last Update:
12:10 pm EDT Mar 20, 2026
Forecast Valid:
12pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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Additional Resources

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Chance of Precipitation