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.

Fog

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.78 in (1008.7 mb)
Dewpoint 41°F (5°C)
Visibility 0.25 mi
Last update 8 Nov 4:56 am EST
Extended Forecast for

Canonsburg PA

Dense Fog Advisory until November 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 8, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 59 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 20%.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 7am. High near 54. South wind 6 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 9pm, then snow likely. Mostly cloudy, with a low around 29. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Light west wind.
Saturday
Increasing clouds, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 20%.
Sunday
Rain, mainly after 7am. High near 54. South wind 6 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 9pm, then snow likely. Mostly cloudy, with a low around 29. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Monday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Veterans Day
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 51. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 49.
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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:
4:18 am EST Nov 8, 2025
Forecast Valid:
5am EST Nov 8, 2025-6pm EST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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