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

77°F

25°C

Humidity 50%
Wind Speed Calm
Barometer 30.26 in (1024.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Oct 12:53 pm EDT
Extended Forecast for

Irwin PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. South wind around 6 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after noon. High near 72. Southwest wind 6 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 51. Southwest wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. North wind 10 to 14 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.
Tuesday
Showers, mainly after noon. High near 72. Southwest wind 6 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 51. Southwest wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Mostly sunny, with a high near 65. North wind 10 to 14 mph.
Wednesday Night
Clear, with a low around 36.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 62.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 68.
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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:
1:01 pm EDT Oct 6, 2025
Forecast Valid:
1pm EDT Oct 6, 2025-6pm EDT Oct 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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