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.

Overcast

35°F

2°C

Humidity 61%
Wind Speed W 12 G 22 mph
Barometer 29.99 in (1017.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Nov 9:53 am EST
Extended Forecast for

West Mifflin PA

  • Today

    Today: Mostly sunny, with a high near 42. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Snow likely before 10am, then rain. High near 41. Southwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely then
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 34. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. North wind around 5 mph becoming calm in the morning.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 54.

    High: 54 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 42. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 29. Southwest wind 5 to 7 mph.
Tuesday
Snow likely before 10am, then rain. High near 41. Southwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 34. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 49. North wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Cloudy, with a high near 54.
Thursday Night
Rain, mainly after 1am. Low around 46. Chance of precipitation is 80%.
Friday
Rain. High near 60. Chance of precipitation is 80%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
A chance of rain. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
Last Update:
8:58 am EST Nov 17, 2025
Forecast Valid:
10am EST Nov 17, 2025-6pm EST Nov 23, 2025
 
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