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

34°F

1°C

Humidity 99%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Mar 9:15 pm EDT
Extended Forecast for

Louisa VA

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light and variable wind.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Southwest wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southwest wind around 6 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Light east wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 20%.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Light and variable wind.
Friday
Mostly sunny, with a high near 56. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 39. Southwest wind 7 to 15 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 61. Southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 39. Light east wind.
Sunday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 20%.
Sunday Night
Showers, mainly after 8pm. Low around 53. Chance of precipitation is 80%.
Monday
Showers. High near 70. Chance of precipitation is 90%.
Monday Night
A chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 29. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisa VA
 38.02°N 78°W (Elev. 413 ft)
Last Update:
2:11 pm EDT Mar 12, 2026
Forecast Valid:
9pm EDT Mar 12, 2026-6pm EDT Mar 19, 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