7-Day Forecast 40.36°N 79.91°W (Text-Only)
NWS Forecast for: West Mifflin PA
Issued by: National Weather Service Pittsburgh, PA
Last Update: 10:05 am EDT Jul 13, 2025
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  • Today

    Today: Showers and thunderstorms likely, mainly between 3pm and 5pm.  Partly sunny, with a high near 86. Southwest wind around 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

    T-storms
    Likely


  • Tonight

    Tonight: 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. Calm wind.  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%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    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


  • Thursday

    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%.

    High: 84 °F

    Scattered
    Showers then
    Showers



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

    Tonight: 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. Calm wind. 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%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    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 possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. 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%.



    West Mifflin PA
     40.36°N 79.91°W (Elev. 1017 ft)

    Visit your local NWS office at: https://www.weather.gov/pbz/