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

73°F

23°C

Humidity 50%
Wind Speed S 9 mph
Barometer 30.10 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 31 Mar 8:15 pm EDT
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Southwest wind around 9 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 84. South wind 6 to 9 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 85. Southwest wind around 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 61. South wind around 7 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 84. South wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 60. South wind 6 to 8 mph.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
8:00 pm EDT Mar 31, 2026
Forecast Valid:
8pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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