Grass Lake Weather Forecast

    • 67
    • 87

    Rain Showers Likely

    • 68
    • 87

    Chance Rain Showers

    • 66
    • 82

    Rain Showers Likely

    • 68
    • 86

    Slight Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

Today 24 Jul Muskegon

A chance of Showers and a slight chance of Thunderstorms through mid Afternoon, then Showers likely and a chance of Thunderstorms. Highs in the lower 80s near lake Michigan in the upper 80s inland. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of rain 60 percent. Heat index Readings 94 to 99.

Tonight 24 Jul Muskegon

Mostly cloudy with a 40 percent chance of Showers and Thunderstorms. Lows in the upper 60s. West Winds around 10 Mph in the evening becoming light.

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Grass Lake Temperature Statistics

July Temperature

Fremont Municipal Airport (9.9 miles)

  • Lowest 18 July, 2025

    53.6 °F

  • Average July

    72.4 °F

  • Highest 5 July, 2025

    89.6 °F

Climate (2020–Present)

Fremont Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    40.3 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    58.1 °F
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