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 and Breezy

50°F

10°C

Humidity 33%
Wind Speed W 23 G 31 mph
Barometer 29.60 in (1003.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 25 Feb 4:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 24. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South wind around 7 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 24. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Thursday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 24. Calm wind.
Friday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 35. South wind around 7 mph.
Saturday
Partly sunny, with a high near 56.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Monday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 48. 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:
1:22 pm EST Feb 25, 2026
Forecast Valid:
5pm EST Feb 25, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation