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.

Fair

77°F

25°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 12:53 am EDT
Extended Forecast for

West Mifflin PA

  • Overnight

    Overnight: Isolated showers and thunderstorms before 4am, then isolated showers and thunderstorms after 5am. Partly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 86. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Isolated
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Isolated
    T-storms

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Scattered
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 4am, then isolated showers and thunderstorms after 5am. Partly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 86. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Isolated showers, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Scattered showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 70. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
Scattered showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
Last Update:
11:38 pm EDT Jul 12, 2025
Forecast Valid:
1am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation