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

59°F

15°C

Humidity 23%
Wind Speed SW 3 mph
Barometer 30.13 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 14 Mar 3:15 pm EDT
Extended Forecast for

Louisa VA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 61. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 61 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 53. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 71. South wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. West wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 28 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Light and variable wind.
Sunday
Increasing clouds, with a high near 61. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
Showers, mainly after 8pm. Low around 53. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 71. South wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. West wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 67.
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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:
2:56 pm EDT Mar 14, 2026
Forecast Valid:
4pm EDT Mar 14, 2026-6pm EDT Mar 21, 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