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.

Partly Cloudy

81°F

27°C

Humidity 39%
Wind Speed SW 15 mph
Barometer 30.27 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Apr 2:15 pm EDT
Extended Forecast for

Alton VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind around 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 62. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 72. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 44.

    Low: 44 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 61. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 82. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 62. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 72. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 44.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Clear, with a low around 33.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 70.
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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:
1:30 pm EDT Apr 3, 2026
Forecast Valid:
2pm EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation