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.

Partly Cloudy

32°F

0°C

Humidity 95%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 31°F (-1°C)
Visibility 1.25 mi
Last update 17 Feb 2:55 am EST
Extended Forecast for

Alton VA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 65. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Southwest wind 3 to 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Tuesday
Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph.
Wednesday
Cloudy, with a high near 65. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 49. Southwest wind 3 to 7 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Sunday
A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 46.
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:
2:00 am EST Feb 17, 2026
Forecast Valid:
3am EST Feb 17, 2026-6pm EST Feb 23, 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