National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Mostly Cloudy

83°F

28°C

Humidity 63%
Wind Speed NW 5 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 30 Aug 4:56 pm EDT
Extended Forecast for

Canonsburg PA

  • This Afternoon

    This Afternoon: A slight chance of showers. Partly sunny, with a high near 86. West wind around 7 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the morning.

    High: 87 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. West wind 6 to 11 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 86. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 68. Light and variable wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny and hot, with a high near 90. West wind 6 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 92.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.27°N 80.18°W (Elev. 1030 ft)
Last Update:
2:21 pm EDT Aug 30, 2026
Forecast Valid:
5pm EDT Aug 30, 2026-6pm EDT Sep 6, 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