Old Mission State Park Weather Forecast

    • 44
    • 68

    Mostly Sunny

    • 48
    • 64

    Mostly Sunny

    • 49
    • 71

    Sunny

    • 50
    • 68

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 57
    • 77

    Chance Rain Showers

Today 30 May Grand Traverse

Sunny. Highs in the mid 70s. East Winds 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 30 May Grand Traverse

Clear. Lows in the lower 40s. Southeast Winds up to 10 Mph. Gusts up to 20 Mph early.

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  • Temperature Real-Time

Old Mission State Park Temperature Statistics

May Temperature

Bellaire, Antrim County Airport (13.7 miles)

  • Lowest 2 May, 2026

    24.8 °F

  • Average May

    52.2 °F

  • Highest 26 May, 2026

    81.3 °F

Climate (2021–Present)

Bellaire, Antrim County Airport (13.7 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    56.4 °F
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