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

29°F

-2°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.51 in (1034.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Mar 8:53 am EDT
Extended Forecast for

Allison Park PA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind 6 to 10 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 59. Southwest wind 5 to 11 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Southwest wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 66. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 8am. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 29. Light and variable wind.
Sunday
Partly sunny, with a high near 59. Southwest wind 5 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind around 7 mph.
Monday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 66. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Wednesday
Rain, mainly after 8am. High near 67. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allison Park PA
 40.56°N 79.97°W (Elev. 899 ft)
Last Update:
7:26 am EDT Mar 28, 2026
Forecast Valid:
8am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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