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

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

35°F

2°C

Humidity 67%
Wind Speed S 9 mph
Barometer 29.82 in (1010.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 7 Nov 6:53 am EST
Extended Forecast for

Irwin PA

  • Today

    Today: Showers, mainly after 1pm. High near 65. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers, mainly before 1am. Low around 44. West wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 60. West wind 6 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain. High near 58. South wind 6 to 15 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 1am, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Showers
    Likely

  • Veterans Day

    Veterans Day: A chance of snow before 1pm. Partly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Showers, mainly after 1pm. High near 65. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 1am. Low around 44. West wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 60. West wind 6 to 9 mph.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Rain. High near 58. South wind 6 to 15 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely before 1am, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Monday Night
Snow showers likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Veterans Day
A chance of snow before 1pm. Partly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 49. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 48. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.68°W (Elev. 1099 ft)
Last Update:
5:26 am EST Nov 7, 2025
Forecast Valid:
7am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation