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

78°F

26°C

Humidity 37%
Wind Speed Calm
Barometer 30.15 in (1020.7 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 4:53 pm EDT
Extended Forecast for

West Mifflin PA

  • Tonight

    Tonight: Clear, with a low around 57. East wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Southeast wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Southeast wind 3 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. Southeast wind around 6 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 57. East wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 61. Southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 82. Southeast wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 64. Southeast wind around 6 mph.
Wednesday
A chance of rain before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 85.
Saturday Night
A chance of sprinkles. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
Last Update:
4:04 pm EDT Aug 3, 2025
Forecast Valid:
5pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
 
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