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 49%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 8 Jan 11:35 am EST
Extended Forecast for

Alton VA

  • Today

    Today: Partly sunny, with a high near 60. Light east wind.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Patchy fog before 7am. Otherwise, cloudy, with a high near 68. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 68 °F

    Patchy Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain. Low around 56. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Saturday

    Saturday: Showers. High near 70. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then a chance of rain after 1am. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 60. Light east wind.
Tonight
Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph.
Friday
A chance of rain after 1pm. Patchy fog before 7am. Otherwise, cloudy, with a high near 68. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.
Friday Night
Rain. Low around 56. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 70. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then a chance of rain after 1am. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 45.
Monday Night
Clear, with a low around 26.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Partly sunny, with a high near 52.
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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:
7:00 am EST Jan 8, 2026
Forecast Valid:
11am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation