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.

Light Snow

19°F

-7°C

Humidity 84%
Wind Speed NW 7 mph
Barometer 30.13 in (1022.0 mb)
Dewpoint 15°F (-9°C)
Visibility 9.00 mi
Wind Chill10°F (-12°C)
Last update 24 Feb 2:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: A chance of snow, mainly before 5am. Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West wind 8 to 11 mph.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 1am. Low around 29. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A chance of snow, mixing with rain after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Partly cloudy, 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. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • 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

Detailed Forecast

Overnight
A chance of snow, mainly before 5am. Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 36. West wind 8 to 11 mph.
Tuesday Night
Snow, mainly after 1am. Low around 29. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
A chance of snow, mixing with rain after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of snow after 1am. Partly cloudy, 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. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Partly cloudy, with a low around 22.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
2:42 am EST Feb 24, 2026
Forecast Valid:
3am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation