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

53°F

12°C

Humidity 89%
Wind Speed S 6 mph
Barometer 29.73 in (1007.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Feb 6:53 pm EST
Extended Forecast for

West Mifflin PA

  • Tonight

    Tonight: A slight chance of rain between 8pm and 10pm. Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 60. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 46. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: A chance of rain and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 62. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain. Partly cloudy, with a low around 36. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain between 8pm and 10pm. Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 60. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 46. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of rain and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 62. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 36. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.34°N 79.91°W (Elev. 1086 ft)
Last Update:
1:21 pm EST Feb 18, 2026
Forecast Valid:
7pm EST Feb 18, 2026-6pm EST Feb 25, 2026
 
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