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

51°F

11°C

Humidity 69%
Wind Speed S 3 mph
Barometer 30.24 in (1023.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Apr 3:56 am EDT
Extended Forecast for

Canonsburg PA

  • Today

    Today: Increasing clouds, with a high near 76. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. North wind around 6 mph.

    High: 63 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 76. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. North wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 44. Calm wind.
Sunday
Partly sunny, with a high near 80. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 80.
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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:
2:21 am EDT Apr 10, 2026
Forecast Valid:
4am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation