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.

Overcast

N/A

Humidity NA
Wind Speed SW 9 G 18 mph
Barometer 29.89 in
Dewpoint N/A
Visibility 10.00 mi
Last update 31 Dec 10:56 am EST
Extended Forecast for

Canonsburg PA

Winter Weather Advisory December 31, 01:00pm until January 1, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A slight chance of snow before 3pm, then snow showers, mainly after 3pm. High near 32. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

    High: 32 °F

    Snow Showers

  • Tonight

    Tonight: Snow before 1am, then snow showers likely between 1am and 4am. Low around 14. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 14 °F

    Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 23. West wind 9 to 13 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Southwest wind 3 to 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow before 3pm, then snow showers, mainly after 3pm. High near 32. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow before 1am, then snow showers likely between 1am and 4am. Low around 14. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
New Year's Day
Mostly sunny, with a high near 23. West wind 9 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 15. Southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 32. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 40.
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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:
5:36 am EST Dec 31, 2025
Forecast Valid:
11am EST Dec 31, 2025-6pm EST Jan 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