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

68°F

20°C

Humidity 59%
Wind Speed S 6 mph
Barometer 30.13 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 5 Mar 7:55 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Southwest wind around 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Southwest wind around 7 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 60. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. South wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 80. Southwest wind around 7 mph.
Friday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 60. South wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. South wind 8 to 10 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
A chance of showers after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 68. 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:
7:01 pm EST Mar 5, 2026
Forecast Valid:
8pm EST Mar 5, 2026-6pm EDT Mar 12, 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