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

32°F

0°C

Humidity 63%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 13 Jan 1:55 am EST
Extended Forecast for

6 Miles SW Louisa VA

  • Overnight

    Overnight: Mostly clear, with a low around 26. Light west wind.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Southwest wind 8 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Light and variable wind becoming west 5 to 7 mph in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow, mainly before 7am. Mostly sunny, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Light west wind.
Tuesday
Sunny, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 35. Southwest wind 8 to 10 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Light and variable wind becoming west 5 to 7 mph in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of snow, mainly before 7am. Mostly sunny, with a high near 37. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 16.
M.L.King Day
Sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Louisa VA
 37.97°N 78.09°W (Elev. 410 ft)
Last Update:
5:49 pm EST Jan 12, 2026
Forecast Valid:
2am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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