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

42°F

6°C

Humidity 65%
Wind Speed W 10 G 21 mph
Barometer 29.95 in (1015.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Nov 9:53 pm EST
Extended Forecast for

Irwin PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. West wind 10 to 14 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. West wind 11 to 18 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. West wind around 7 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. West wind 5 to 9 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Slight Chance
    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 50%.

    High: 53 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. West wind 10 to 14 mph.
Thursday
Mostly sunny, with a high near 50. West wind 11 to 18 mph.
Thursday Night
Mostly clear, with a low around 27. West wind around 7 mph.
Friday
Mostly sunny, with a high near 51. West wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 44. Chance of precipitation is 90%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 46.
Monday Night
A chance of snow. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 51. 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 79.68°W (Elev. 1099 ft)
Last Update:
6:31 pm EST Nov 12, 2025
Forecast Valid:
10pm EST Nov 12, 2025-6pm EST Nov 19, 2025
 
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Additional Resources

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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