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

43°F

6°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 28 Feb 10:15 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light southwest wind.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Northeast wind 7 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow before 1pm, then a chance of snow and sleet between 1pm and 4pm, then a chance of sleet after 4pm. Cloudy, with a high near 39. North wind around 8 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance Wintry
    Mix

  • Monday Night

    Monday Night: A chance of rain. Cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 32 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, mainly before 1pm. Cloudy, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light southwest wind.
Sunday
Mostly sunny, with a high near 70. Light southwest wind becoming west 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 35. Northeast wind 7 to 9 mph.
Monday
A slight chance of rain and snow before 1pm, then a chance of snow and sleet between 1pm and 4pm, then a chance of sleet after 4pm. Cloudy, with a high near 39. North wind around 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain. Cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
A chance of rain, mainly before 1pm. Cloudy, with a high near 52. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 76.
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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:
7:00 pm EST Feb 28, 2026
Forecast Valid:
10pm EST Feb 28, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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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