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

56°F

13°C

Humidity 83%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Mar 4:15 am EDT
Extended Forecast for

Alton VA

  • Today

    Today: Mostly sunny, with a high near 84. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Increasing clouds, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. Temperature falling to around 48 by 2pm. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F⇓

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 31. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

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

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Tonight
A chance of showers, mainly after 5am. Increasing clouds, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before 2pm. Temperature falling to around 48 by 2pm. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 31. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 44.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 47.
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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:
3:00 am EDT Mar 11, 2026
Forecast Valid:
4am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation