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

46°F

8°C

Humidity 89%
Wind Speed Calm
Barometer 29.68 in (1005.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 10:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Thursday

    Thursday: Rain, mainly before 2pm, then a chance of showers after 2pm. High near 52. Light and variable wind becoming north 8 to 13 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 34. North wind 8 to 11 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. Northwest wind 8 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. West wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of showers before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 2pm, then a chance of showers after 2pm. High near 52. Light and variable wind becoming north 8 to 13 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 34. North wind 8 to 11 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. Northwest wind 8 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. West wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
A chance of showers before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Sunny, with a high near 52.
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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:
1:21 pm EST Nov 11, 2026
Forecast Valid:
11pm EST Nov 11, 2026-6pm EST Nov 18, 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