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

50°F

10°C

Humidity 29%
Wind Speed SE 6 mph
Barometer 30.37 in (1028.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 8 Apr 10:56 pm EDT
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. Southwest wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. South wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Increasing clouds, with a high near 74. Southwest wind 7 to 14 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 43. Northwest wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

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

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. South wind around 7 mph.
Thursday
Sunny, with a high near 72. Southwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 51. South wind around 6 mph.
Friday
A slight chance of showers after 2pm. Increasing clouds, with a high near 74. Southwest wind 7 to 14 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 43. Northwest wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
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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:
8:56 pm EDT Apr 8, 2026
Forecast Valid:
11pm EDT Apr 8, 2026-6pm EDT Apr 15, 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