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 Rain

63°F

17°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 4 Nov 7:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 55. Light southwest wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 69. Southwest wind 9 to 15 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 47. Southwest wind 3 to 6 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 62. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 38. West wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly before 4am. Low around 55. Light southwest wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 69. Southwest wind 9 to 15 mph.
Thursday Night
Increasing clouds, with a low around 47. Southwest wind 3 to 6 mph.
Friday
A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 62. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 38. West wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 35.
Veterans Day
Mostly sunny, with a high near 60.
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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:
8:21 pm EST Nov 4, 2026
Forecast Valid:
8pm EST Nov 4, 2026-6pm EST Nov 11, 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