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

69°F

21°C

Humidity 63%
Wind Speed Vrbl 3 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Sep 9:53 am EDT
Extended Forecast for

West Mifflin PA

  • Today

    Today: Partly sunny, with a high near 82. East wind around 6 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Southeast wind around 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Southeast wind 8 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 61. South wind 7 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. East wind around 6 mph.
Tonight
Mostly cloudy, with a low around 62. Southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 82. Southeast wind 8 to 10 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 61. South wind 7 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
Last Update:
10:02 am EDT Sep 20, 2025
Forecast Valid:
10am EDT Sep 20, 2025-6pm EDT Sep 26, 2025
 
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Additional Resources

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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