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

49°F

9°C

Humidity 33%
Wind Speed SW 9 mph
Barometer 29.82 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Jan 10:15 pm EST
Extended Forecast for

4 Miles NNW Bumpass VA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 6 to 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 53. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 25. Southwest wind 5 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 7am. Sunny, with a high near 35. Northwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Southwest wind 6 to 8 mph.
Wednesday
A slight chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 53. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 25. Southwest wind 5 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of snow before 7am. Sunny, with a high near 35. Northwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 17. Northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Bumpass VA
 38°N 77.77°W (Elev. 289 ft)
Last Update:
2:41 pm EST Jan 13, 2026
Forecast Valid:
10pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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