National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

31°F

-1°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 30.12 in (1021.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 26 Dec 12:53 am EST
Extended Forecast for

Allison Park PA

Winter Weather Advisory December 26, 08:00am until December 26, 03:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. East wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow and freezing rain before 10am, then rain. High near 46. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    High: 46 °F

    Wintry Mix
    Likely then
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 7pm. Cloudy, with a low around 34. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Northwest wind around 5 mph becoming calm in the morning.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Light east wind.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain before 1pm, then snow likely. High near 55. Breezy. Chance of precipitation is 90%.

    High: 55 °F

    Rain then
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. East wind around 6 mph.
Friday
A slight chance of snow and freezing rain before 10am, then rain. High near 46. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Friday Night
Rain likely, mainly before 7pm. Cloudy, with a low around 34. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 41. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 32. Light east wind.
Sunday
Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 100%.
Monday
Rain before 1pm, then snow likely. High near 55. Breezy. Chance of precipitation is 90%.
Monday Night
Snow likely, mainly before 1am. Cloudy, with a low around 21. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 29. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
New Year's Day
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allison Park PA
 40.56°N 79.97°W (Elev. 899 ft)
Last Update:
12:21 am EST Dec 26, 2025
Forecast Valid:
1am EST Dec 26, 2025-6pm EST Jan 1, 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