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.

Overcast

22°F

-6°C

Humidity 68%
Wind Speed W 9 G 26 mph
Barometer 29.91 in (1015.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 30 Dec 3:53 am EST
Extended Forecast for

Irwin PA

  • Overnight

    Overnight: A chance of snow showers. Cloudy, with a low around 21. Breezy, with a west wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of around an inch possible.

    Low: 21 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 7am. Cloudy, with a high near 28. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Breezy.
    Chance Snow
    Showers then
    Cloudy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly between 1am and 5am. Mostly cloudy, with a low around 20. West wind 14 to 16 mph, with gusts as high as 26 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 7am. High near 32. Southwest wind 14 to 17 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 16. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Snow

  • New Year's Day

    New Year's Day: A slight chance of snow before 1pm. Partly sunny, with a high near 23. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

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

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow showers. Cloudy, with a low around 21. Breezy, with a west wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of around an inch possible.
Tuesday
A chance of snow showers, mainly before 7am. Cloudy, with a high near 28. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly between 1am and 5am. Mostly cloudy, with a low around 20. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after 7am. High near 32. Southwest wind 14 to 17 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 16. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
New Year's Day
A slight chance of snow before 1pm. Partly sunny, with a high near 23. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.71°W (Elev. 1053 ft)
Last Update:
3:36 am EST Dec 30, 2025
Forecast Valid:
4am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
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Chance of Precipitation