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

81°F

27°C

Humidity 34%
Wind Speed Vrbl 3 mph
Barometer 30.25 in (1023.8 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 4 Oct 2:56 pm EDT
Extended Forecast for

Canonsburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54. Light south wind.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Southwest wind around 6 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: Showers likely before 8am. Mostly sunny, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Calm wind.
Tonight
Clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 54. Light south wind.
Monday
Sunny, with a high near 82. Southwest wind around 6 mph.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 52. Chance of precipitation is 90%.
Wednesday
Showers likely before 8am. Mostly sunny, with a high near 65. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 69.
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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:
1:02 pm EDT Oct 4, 2025
Forecast Valid:
3pm EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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