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

58°F

14°C

Humidity 67%
Wind Speed S 10 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 28 Aug 8:53 am EDT
Extended Forecast for

Plum PA

  • Today

    Today: A chance of sprinkles between 4pm and 5pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 76. Southwest wind 7 to 11 mph.

    High: 76 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a chance of rain after 5am. Mostly cloudy, with a low around 55. West wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 71. Northwest wind 6 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 46. North wind 5 to 7 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A chance of sprinkles between 4pm and 5pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 76. Southwest wind 7 to 11 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a chance of rain after 5am. Mostly cloudy, with a low around 55. West wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 71. Northwest wind 6 to 10 mph.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 46. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plum PA
 40.5°N 79.71°W (Elev. 1161 ft)
Last Update:
7:02 am EDT Aug 28, 2025
Forecast Valid:
9am EDT Aug 28, 2025-6pm EDT Sep 3, 2025
 
Forecast Discussion
 
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Additional Resources

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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