National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

47°F

8°C

Humidity 66%
Wind Speed NW 9 G 16 mph
Barometer 29.92 in (1013.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 30 Apr 2:53 pm EDT
Extended Forecast for

West Mifflin PA

Frost Advisory May 1, 12:00am until May 1, 09:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 55. Northwest wind around 13 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 55. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers then
    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 55. Northwest wind around 13 mph. Chance of precipitation is 30%.
Tonight
A chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 55. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 73. Breezy. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
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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:
2:26 pm EDT Apr 30, 2026
Forecast Valid:
3pm EDT Apr 30, 2026-6pm EDT May 6, 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