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.

Overcast

57°F

14°C

Humidity 93%
Wind Speed Vrbl 5 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 9:53 am EDT
Extended Forecast for

Irwin PA

  • Today

    Today: A slight chance of rain before 11am, then a chance of drizzle between 11am and noon. Partly sunny, with a high near 65. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 65 °F

    Chance
    Drizzle then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Northeast wind 6 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 69. North wind 7 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. North wind 5 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Patchy Frost
    then Sunny

Detailed Forecast

Today
A slight chance of rain before 11am, then a chance of drizzle between 11am and noon. Partly sunny, with a high near 65. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 48. Northeast wind 6 to 8 mph.
Columbus Day
Mostly sunny, with a high near 69. North wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 46. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 71. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 35.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 60.
Thursday Night
Patchy frost after 3am. Otherwise, clear, with a low around 34.
Friday
Patchy frost. Otherwise, sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 70.
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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:
8:03 am EDT Oct 12, 2025
Forecast Valid:
10am EDT Oct 12, 2025-6pm EDT Oct 18, 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