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.

Overcast

25°F

-4°C

Humidity 66%
Wind Speed W 15 mph
Barometer 30.06 in (1019.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 11:56 am EST
Extended Forecast for

Canonsburg PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 36. Southwest wind around 11 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow. Low around 29. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Slight Chance
    Snow then
    Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a slight chance of rain between 10am and 11am. Partly sunny, with a high near 47. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Increasing clouds, with a low around 26. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 39. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Partly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance
    Freezing Rain

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 36. Southwest wind around 11 mph.
Tonight
Snow. Low around 29. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
A chance of rain and snow before 10am, then a slight chance of rain between 10am and 11am. Partly sunny, with a high near 47. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of snow after 1am. Increasing clouds, with a low around 26. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 39. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A slight chance of rain and snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Partly cloudy, with a low around 22. Chance of precipitation is 20%.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
12:01 pm EST Feb 24, 2026
Forecast Valid:
12pm EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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