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.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 28 Jun 12:53 am EDT
Extended Forecast for

Plum PA

  • Overnight

    Overnight: Widespread fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Light east wind. Chance of precipitation is 50%.

    High: 84 °F

    Areas Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89. Light east wind.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Southeast wind 3 to 5 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Light east wind. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 89. Light east wind.
Monday Night
Mostly clear, with a low around 71. Southeast wind 3 to 5 mph.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Independence Day
Showers likely and possibly a thunderstorm. Partly sunny and hot, with a high near 90. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plum PA
 40.5°N 79.74°W (Elev. 1079 ft)
Last Update:
12:51 am EDT Jun 28, 2026
Forecast Valid:
1am EDT Jun 28, 2026-6pm EDT Jul 4, 2026
 
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