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.

Fair

63°F

17°C

Humidity 76%
Wind Speed SE 10 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Apr 1:53 am EDT
Extended Forecast for

Irwin PA

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    Showers

  • Friday

    Friday: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 13 to 17 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. Southwest wind 6 to 14 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 48. South wind 9 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 13 to 17 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. Southwest wind 6 to 14 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 48. South wind 9 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 8am. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
A chance of showers after 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.71°W (Elev. 1053 ft)
Last Update:
2:21 am EDT Apr 3, 2026
Forecast Valid:
3am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
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