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

53°F

12°C

Humidity 43%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 21 Apr 9:55 pm EDT
Extended Forecast for

Louisa VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. South wind 7 to 9 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Light west wind.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light northwest wind.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. South wind 7 to 9 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 51. Light west wind.
Thursday
Sunny, with a high near 82. Light northwest wind.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Saturday Night
Showers, mainly before 2am. Low around 49. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 70.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
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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:
9:59 pm EDT Apr 21, 2026
Forecast Valid:
10pm EDT Apr 21, 2026-6pm EDT Apr 28, 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