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

38°F

3°C

Humidity 48%
Wind Speed S 5 mph
Barometer 29.79 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Jan 4:55 am EST
Extended Forecast for

Alton VA

  • Today

    Today: A slight chance of showers between 1pm and 3pm. Increasing clouds, with a high near 53. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 24. Southwest wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 36. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 17. West wind 5 to 8 mph.

    Low: 17 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 42. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 1pm and 3pm. Increasing clouds, with a high near 53. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 24. Southwest wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 36. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Clear, with a low around 17. West wind 5 to 8 mph.
Friday
Sunny, with a high near 42. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 17.
M.L.King Day
Sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
3:02 am EST Jan 14, 2026
Forecast Valid:
5am EST Jan 14, 2026-6pm EST Jan 20, 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