National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Fair

20°F

-7°C

Humidity 62%
Wind Speed S 8 mph
Barometer 30.23 in (1025.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Feb 10:56 am EST
Extended Forecast for

Canonsburg PA

  • Today

    Today: Increasing clouds, with a high near 27. Southwest wind around 7 mph.

    High: 27 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of flurries before 10pm, then a slight chance of snow between 10pm and 4am, then a chance of flurries after 4am. Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of flurries before noon, then a chance of snow, mainly between noon and 5pm. Mostly cloudy, with a high near 32. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of flurries before 1am. Mostly cloudy, with a low around 8. Light north wind.

    Low: 8 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. Calm wind becoming north around 6 mph in the afternoon.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow. High near 33. Chance of precipitation is 90%.

    High: 33 °F

    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 27. Southwest wind around 7 mph.
Tonight
A chance of flurries before 10pm, then a slight chance of snow between 10pm and 4am, then a chance of flurries after 4am. Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
A chance of flurries before noon, then a chance of snow, mainly between noon and 5pm. Mostly cloudy, with a high near 32. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of flurries before 1am. Mostly cloudy, with a low around 8. Light north wind.
Wednesday
Partly sunny, with a high near 24. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly cloudy, with a high near 23.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
Snow. High near 33. Chance of precipitation is 90%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 4. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 16.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.27°N 80.18°W (Elev. 1030 ft)
Last Update:
10:58 am EST Feb 2, 2026
Forecast Valid:
11am EST Feb 2, 2026-6pm EST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation