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

33°F

1°C

Humidity 58%
Wind Speed SW 10 mph
Barometer 29.98 in (1016.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Nov 6:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 30. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 1pm. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. West wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. West wind 9 to 15 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 30. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday
A slight chance of showers between 11am and 1pm. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 32. West wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 50. West wind 9 to 15 mph.
Thursday Night
Mostly clear, with a low around 30. West wind around 6 mph.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 50.
Monday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 50. 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:
6:23 pm EST Nov 11, 2025
Forecast Valid:
7pm EST Nov 11, 2025-6pm EST Nov 18, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation