Grass Bay Weather Forecast

    • 54
    • 71

    Mostly Sunny

    • 61
    • 74

    Partly Sunny

    • 66
    • 73

    Rain Showers

    • 59
    • 75

    Breezy

    • 54
    • 66

    Mostly Sunny

    • 60
    • 72

    Partly Sunny

Today 6 Sep Cheboygan

Mostly sunny. Highs in the upper 70s. Northeast Winds up to 10 Mph.

Tonight 6 Sep Cheboygan

Mostly clear. Lows in the upper 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Bay Temperature Statistics

September Temperature

Cheboygan, Cheboygan County Airport (6.8 miles)

  • Lowest 4 September, 2026

    53.6 °F

  • Average September

    67.1 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

Cheboygan, Cheboygan County Airport (6.8 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    53.8 °F
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