National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Fair

72°F

22°C

Humidity 21%
Wind Speed W 9 G 17 mph
Barometer 29.70 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Feb 5:35 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Increasing clouds, with a low around 47. West wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain, mainly between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 59. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely after 1am. Increasing clouds, with a low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Partly Cloudy
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 45. North wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 25.

    Low: 25 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. West wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday
A chance of rain, mainly between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 59. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely after 1am. Increasing clouds, with a low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 45. North wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 29. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
4:00 pm EST Feb 20, 2026
Forecast Valid:
5pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation