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.

Thunderstorm in Vicinity Rain Fog/Mist

65°F

18°C

Humidity 90%
Wind Speed W 12 G 30 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 62°F (17°C)
Visibility 2.00 mi
Last update 18 Apr 5:53 pm EDT
Extended Forecast for

West Mifflin PA

  • Tonight

    Tonight: Showers, mainly before 2am. Low around 42. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 54. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 7 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 46. Northwest wind 9 to 14 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 2am. Low around 42. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 54. West wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 7 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 46. Northwest wind 9 to 14 mph.
Monday Night
Mostly clear, with a low around 27. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 63.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.34°N 79.91°W (Elev. 1086 ft)
Last Update:
5:51 pm EDT Apr 18, 2026
Forecast Valid:
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation