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

48°F

9°C

Humidity 37%
Wind Speed W 12 G 22 mph
Barometer 30.05 in (1018.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 6:53 pm EDT
Extended Forecast for

Plum PA

Freeze Watch April 20, 11:00pm until April 21, 09:00am
Frost Advisory April 20, 02:00am until April 20, 10:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Rain showers likely, possibly mixing with snow after 2am, then gradually ending. Partly cloudy during the early evening, then becoming cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 46. Northwest wind 9 to 13 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Southwest wind 5 to 11 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 51. South wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain showers likely, possibly mixing with snow after 2am, then gradually ending. Partly cloudy during the early evening, then becoming cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 46. Northwest wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 25. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 63. Southwest wind 5 to 11 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. South wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 80.
Friday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plum PA
 40.52°N 79.74°W (Elev. 1243 ft)
Last Update:
6:31 pm EDT Apr 19, 2026
Forecast Valid:
7pm EDT Apr 19, 2026-6pm EDT Apr 26, 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