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

35°F

2°C

Humidity 52%
Wind Speed N 3 mph
Barometer 30.10 in (1020.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Nov 9:53 pm EST
Extended Forecast for

West Mifflin PA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of snow before 10am, then rain. High near 40. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 36. East wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • 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. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 52.

    High: 52 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely before 10am, then showers likely after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

  • Friday Night

    Friday Night: Showers likely before 1am, then rain likely after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind around 6 mph.
Tuesday
A slight chance of snow before 10am, then rain. High near 40. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 36. East wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a quarter and half 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. Calm wind.
Thursday
Cloudy, with a high near 52.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Rain likely before 10am, then showers likely after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Friday Night
Showers likely before 1am, then rain likely after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm, then a chance of showers after 1pm. Partly sunny, with a high near 50. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 53.
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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:
7:03 pm EST Nov 17, 2025
Forecast Valid:
10pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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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