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.

Overcast

42°F

6°C

Humidity 45%
Wind Speed SW 6 mph
Barometer 30.20 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 3 Feb 1:15 pm EST
Extended Forecast for

Alton VA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 44. Southwest wind around 7 mph.

    High: 44 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then snow likely after 1pm. Cloudy, with a high near 39. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 1am. Cloudy, with a low around 23. Northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 38. North wind 3 to 6 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Thursday Night

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

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 44. Southwest wind around 7 mph.
Tonight
A chance of rain before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then snow likely after 1pm. Cloudy, with a high near 39. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly before 1am. Cloudy, with a low around 23. Northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 40.
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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:
12:30 pm EST Feb 3, 2026
Forecast Valid:
1pm EST Feb 3, 2026-6pm EST Feb 9, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation