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.

Partly Cloudy

76°F

24°C

Humidity 76%
Wind Speed SW 3 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Sep 10:35 am EDT
Extended Forecast for

Louisa VA

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 76. Northeast wind around 8 mph.

    High: 76 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 62. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers. High near 69. North wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 2am. Low around 56. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 76. Northeast wind around 8 mph.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 62. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers. High near 69. North wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 2am. Low around 56. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisa VA
 38.02°N 78°W (Elev. 413 ft)
Last Update:
2:56 am EDT Sep 20, 2026
Forecast Valid:
10am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
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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