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

37°F

3°C

Humidity 29%
Wind Speed W 3 mph
Barometer 30.21 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 2 Feb 1:15 pm EST
Extended Forecast for

Alton VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. West wind around 6 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Light southwest wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 30. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming north around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 38.

    High: 38 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. West wind around 6 mph.
Tonight
Mostly clear, with a low around 19. Light southwest wind.
Tuesday
Increasing clouds, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 30. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming north around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 20.
Friday
Partly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 16.
Sunday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
12:30 pm EST Feb 2, 2026
Forecast Valid:
1pm EST Feb 2, 2026-6pm EST Feb 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation