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

41°F

5°C

Humidity 39%
Wind Speed S 5 mph
Barometer 30.29 in (1027.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Mar 11:53 pm EDT
Extended Forecast for

West Mifflin PA

  • Tonight

    Tonight: Mostly cloudy early, then becoming mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. South wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 70. Southwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 41. Southwest wind around 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: A chance of rain before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy early, then becoming mostly clear, with a low around 35. Calm wind.
Wednesday
Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 51. South wind 6 to 8 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 70. Southwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 41. Southwest wind around 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A chance of rain before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 63. 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:
10:06 pm EDT Mar 24, 2026
Forecast Valid:
11pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation