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.

A Few Clouds

62°F

17°C

Humidity 50%
Wind Speed Calm
Barometer 29.82 in (1010.3 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Last update 11 Nov 1:53 pm EST
Extended Forecast for

Irwin PA

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 62. Southwest wind around 5 mph becoming calm.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain after 4am. Mostly cloudy, with a low around 44. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain before 2pm, then showers likely, mainly between 2pm and 5pm. High near 52. Light and variable wind becoming north 10 to 15 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. North wind 10 to 14 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 10am, then a chance of rain showers after 10am. Mostly cloudy, with a high near 45. Northwest wind 10 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Veterans Day
Mostly cloudy, with a high near 62. Southwest wind around 5 mph becoming calm.
Tonight
A chance of rain after 4am. Mostly cloudy, with a low around 44. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 2pm, then showers likely, mainly between 2pm and 5pm. High near 52. Light and variable wind becoming north 10 to 15 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. North wind 10 to 14 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 10am, then a chance of rain showers after 10am. Mostly cloudy, with a high near 45. Northwest wind 10 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 48.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.71°W (Elev. 1053 ft)
Last Update:
1:21 pm EST Nov 11, 2026
Forecast Valid:
2pm EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation