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.

Overcast

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 52°F (11°C)
Visibility 0.50 mi
Last update 7 Mar 9:15 am EST
Extended Forecast for

Alton VA

  • Today

    Today: A slight chance of showers between 2pm and 3pm. Mostly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Increasing clouds, with a low around 62. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 75. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers after 1pm. Mostly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 2pm and 3pm. Mostly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 62. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 75. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.
Monday
A slight chance of showers after 1pm. Mostly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Tuesday
A chance of showers after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
7:01 am EST Mar 7, 2026
Forecast Valid:
9am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation