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

51°F

11°C

Humidity 75%
Wind Speed S 3 mph
Barometer 30.37 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 30 Mar 6:55 am EDT
Extended Forecast for

Alton VA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southwest wind 6 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Southwest wind around 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 54. Southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 61. South wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Southwest wind around 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
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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 am EDT Mar 30, 2026
Forecast Valid:
7am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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