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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 27 Feb 11:35 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Northeast wind around 7 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain before 1pm, then a chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and sleet before 1am, then a chance of rain. Cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Sleet

  • Tuesday

    Tuesday: A chance of rain before 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind.
Saturday Night
Clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 71. Light and variable wind becoming west 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 34. Northeast wind around 7 mph.
Monday
A slight chance of rain before 1pm, then a chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of rain and sleet before 1am, then a chance of rain. Cloudy, with a low around 32. Chance of precipitation is 30%.
Tuesday
A chance of rain before 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
A chance of rain. Partly sunny, with a high near 75. 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:
10:01 pm EST Feb 27, 2026
Forecast Valid:
11pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation