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.

Fair

57°F

14°C

Humidity 81%
Wind Speed W 7 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Apr 4:53 am EDT
Extended Forecast for

West Mifflin PA

  • Today

    Today: Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Light south wind.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. West wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 60. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 8am, then showers likely. High near 71. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. Light south wind.
Friday
Isolated showers, then scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. West wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 60. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 8am, then showers likely. High near 71. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 74.
Monday Night
Showers, mainly after 2am. Low around 55. Chance of precipitation is 80%.
Tuesday
Showers. High near 70. Chance of precipitation is 80%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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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:
4:17 am EDT Apr 23, 2026
Forecast Valid:
5am EDT Apr 23, 2026-6pm EDT Apr 29, 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