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 Fog/Mist

27°F

-3°C

Humidity 92%
Wind Speed W 8 mph
Barometer 29.97 in (1016.2 mb)
Dewpoint 25°F (-4°C)
Visibility 2.50 mi
Wind Chill19°F (-7°C)
Last update 23 Feb 1:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: A chance of snow. Mostly cloudy, with a low around 27. Northwest wind around 11 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: 27 °F

    Chance Snow

  • Monday

    Monday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36. Northwest wind 13 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: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West wind 8 to 10 mph becoming southwest in the afternoon.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow before 4am, then rain and snow. Low around 29. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow before 10am, then a chance of rain between 10am and 1pm. High near 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A chance of snow. Mostly cloudy, with a low around 27. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36. Northwest wind 13 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.
Monday Night
Mostly cloudy, with a low around 18. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 36. West wind 8 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Snow before 4am, then rain and snow. Low around 29. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 10am, then a chance of rain between 10am and 1pm. High near 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 47.
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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:
2:27 am EST Feb 23, 2026
Forecast Valid:
2am EST Feb 23, 2026-6pm EST Mar 1, 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