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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.2°N 85.59°W (Text-Only)
NWS Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI
Last Update: 6:03 am EDT Jun 30, 2026		Print

  • Today

    Today: Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.

    High: 94 °F

    Hot


  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear


  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 103. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot


  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 75. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Clear


  • Thursday

    Thursday: Sunny and hot, with a high near 94. West southwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 94 °F

    Hot


  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    T-storms

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Independence
    Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms



    • Today: Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.

    Tonight: Mostly clear, with a low around 75. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 103. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Wednesday Night: Clear, with a low around 75. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Thursday: Sunny and hot, with a high near 94. West southwest wind 7 to 13 mph, with gusts as high as 25 mph.

    Thursday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71.

    Friday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66.

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 86.

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64.

    Monday: Mostly sunny, with a high near 85.


    Portage MI
     42.2°N 85.59°W (Elev. 860 ft)

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