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

37°F

3°C

Humidity 48%
Wind Speed N 7 mph
Barometer 30.34 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Mar 2:55 am EDT
Extended Forecast for

3 Miles S Thornburg VA

  • Overnight

    Overnight: Mostly clear, with a low around 31. North wind around 8 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. North wind around 6 mph becoming calm in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South wind 3 to 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 31. North wind around 8 mph.
Tuesday
Sunny, with a high near 52. North wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 34. Calm wind.
Wednesday
Mostly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 47. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 68.
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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:
2:56 am EDT Mar 24, 2026
Forecast Valid:
3am EDT Mar 24, 2026-6pm EDT Mar 30, 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