Cohasset Weather Forecast

    • 63
    • 77

    Slight Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 60
    • 81

    Chance Thunderstorms

    • 57
    • 75

    Rain Showers Likely

    • 50
    • 69

    Chance Rain Showers

    • 47
    • 61

    Chance Rain Showers

Today 14 Sep South Itasca

Cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. Humid with Highs in the upper 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Sep South Itasca

Mostly cloudy. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cohasset Temperature Statistics

September Temperature

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (5.6 miles)

  • Lowest 7 September, 2025

    36 °F

  • Average September

    55.1 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (5.6 miles)

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  • Average Low 2020–2025

    32 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    50.7 °F
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