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

83°F

28°C

Humidity 38%
Wind Speed S 13 mph
Barometer 30.19 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Apr 5:55 pm EDT
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 6 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Southwest wind 6 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

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

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then 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: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45.

    Low: 45 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. South wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 82. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 61. South wind around 7 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then 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
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 68.
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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:
4:31 pm EDT Apr 2, 2026
Forecast Valid:
6pm EDT Apr 2, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation