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.

Overcast

61°F

16°C

Humidity 56%
Wind Speed SW 12 G 22 mph
Barometer 29.72 in (1007.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 6:53 pm EDT
Extended Forecast for

Plum PA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 46. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 39. Northwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.
Saturday Night
Increasing clouds, with a low around 46. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms. Low around 39. Northwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely before 8am. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plum PA
 40.52°N 79.74°W (Elev. 1243 ft)
Last Update:
6:21 pm EDT Mar 20, 2026
Forecast Valid:
7pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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