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

38°F

3°C

Humidity 92%
Wind Speed NE 3 mph
Barometer 30.54 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Mar 7:55 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain after 4am. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Southwest wind 5 to 7 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Southwest wind 3 to 6 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 2am, then a chance of rain after 4am. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 74. Southwest wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 54. Southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Monday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
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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 Mar 2, 2026
Forecast Valid:
8pm EST Mar 2, 2026-6pm EDT Mar 9, 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