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

57°F

14°C

Humidity 60%
Wind Speed SW 9 mph
Barometer 29.84 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Feb 11:35 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Northwest wind 5 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

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

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 48. Southwest wind around 7 mph.
Wednesday
A slight chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 49. Northwest wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
Rain. High near 50. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 40. Chance of precipitation is 80%.
Washington's Birthday
A chance of rain. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
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:
7:00 pm EST Feb 10, 2026
Forecast Valid:
11pm EST Feb 10, 2026-6pm EST Feb 17, 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