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.

Light Snow

N/A

Humidity NA
Wind Speed W 18 G 28 mph
Barometer 29.94 in
Dewpoint N/A
Visibility 5.00 mi
Last update 30 Dec 12:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: Snow showers likely, mainly before 2am. Cloudy, with a low around 21. Breezy, with a west wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Cloudy, with a high near 28. Breezy, with a west wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 28 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, mainly after 1pm. High near 32. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 15. West wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers likely, mainly before 2am. Cloudy, with a low around 21. Breezy, with a west wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Tuesday
Cloudy, with a high near 28. Breezy, with a west wind 16 to 20 mph, with gusts as high as 32 mph.
Tuesday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after 1pm. High near 32. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 15. West wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
New Year's Day
Mostly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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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:
12:33 am EST Dec 30, 2025
Forecast Valid:
1am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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