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

56°F

13°C

Humidity 95%
Wind Speed W 3 mph
Barometer 29.80 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Apr 2:55 am EDT
Extended Forecast for

Alton VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Northwest wind around 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North wind around 6 mph becoming calm after midnight.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Northwest wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 41. North wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 8am. Cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
2:30 am EDT Apr 30, 2026
Forecast Valid:
3am EDT Apr 30, 2026-6pm EDT May 6, 2026
 
Forecast Discussion
 
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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