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

46°F

8°C

Humidity 59%
Wind Speed SW 3 mph
Barometer 29.87 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 Feb 2:15 am EST
Extended Forecast for

4 Miles NW Alton VA

  • Overnight

    Overnight: A slight chance of rain after 4am. Mostly cloudy, with a low around 47. West wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 1pm. Cloudy, with a high near 60. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 2am. Increasing clouds, with a low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. North wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 25.

    Low: 25 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain after 4am. Mostly cloudy, with a low around 47. West wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, mainly before 1pm. Cloudy, with a high near 60. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 2am. Increasing clouds, with a low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. North wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 29. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alton VA
 36.6°N 79.03°W (Elev. 499 ft)
Last Update:
12:30 am EST Feb 21, 2026
Forecast Valid:
2am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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