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

28°F

-2°C

Humidity 72%
Wind Speed W 9 G 17 mph
Barometer 30.31 in (1028.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Nov 9:53 pm EST
Extended Forecast for

Irwin PA

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind 6 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny during the morning, then mostly cloudy during the afternoon, with a high near 37. Southwest wind around 5 mph becoming calm.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 29. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow, becoming all rain after 10am. High near 44. Breezy, with a southwest wind 14 to 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    then Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow after 1am. Cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 1pm. Cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. West wind 6 to 10 mph.
Saturday
Sunny during the morning, then mostly cloudy during the afternoon, with a high near 37. Southwest wind around 5 mph becoming calm.
Saturday Night
Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 29. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow, becoming all rain after 10am. High near 44. Breezy, with a southwest wind 14 to 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Mostly cloudy, with a high near 34.
Monday Night
A chance of snow after 1am. Cloudy, with a low around 24. Chance of precipitation is 50%.
Tuesday
Snow likely, mainly before 1pm. Cloudy, with a high near 36. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly cloudy, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.71°W (Elev. 1053 ft)
Last Update:
8:22 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation