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.

Overcast

39°F

4°C

Humidity 62%
Wind Speed W 9 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 6 Apr 2:56 am EDT
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. West wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers after 1pm. Increasing clouds, with a high near 54. Southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers before midnight. Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Isolated
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. West wind around 7 mph.
Monday
Scattered showers after 1pm. Increasing clouds, with a high near 54. Southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Isolated showers before midnight. Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 44. Northwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 81.
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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 6, 2026
Forecast Valid:
3am EDT Apr 6, 2026-6pm EDT Apr 12, 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