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.

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 30.09 in (1020.6 mb)
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 20 Nov 3:53 pm EST
Extended Forecast for

Plum PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light south wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 7pm. Cloudy, with a low around 39. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Partly sunny, with a high near 48. North wind around 7 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Patchy fog between midnight and 3am. Otherwise, mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. Calm wind.
Tonight
Mostly cloudy, with a low around 36. Light south wind.
Friday
A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly after 7pm. Cloudy, with a low around 39. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of rain before 1pm. Partly sunny, with a high near 48. North wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Patchy fog between midnight and 3am. Otherwise, mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 53.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Tuesday
Rain. High near 56. Chance of precipitation is 80%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plum PA
 40.52°N 79.74°W (Elev. 1243 ft)
Last Update:
3:43 pm EST Nov 20, 2025
Forecast Valid:
4pm EST Nov 20, 2025-6pm EST Nov 26, 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