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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

40°F

4°C

Humidity 89%
Wind Speed NW 12 G 21 mph
Barometer 29.95 in (1015.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 1 May 9:53 pm EDT
Extended Forecast for

West Mifflin PA

Frost Advisory May 2, 12:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. Northwest wind 3 to 7 mph.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 33. Northwest wind 3 to 8 mph.

    Low: 33 °F

    Partly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 59. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. Northwest wind 3 to 7 mph.
Saturday
A slight chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 33. Northwest wind 3 to 8 mph.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 59. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 20%.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Showers, mainly after 2am. Low around 54. Chance of precipitation is 80%.
Wednesday
Showers. High near 66. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 60. 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:
8:46 pm EDT May 1, 2026
Forecast Valid:
10pm EDT May 1, 2026-6pm EDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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