Old Mission State Park Weather Forecast

    • 60
    • 75

    Smoke

    • 65
    • 77

    Smoke

    • 64
    • 80

    Partly Sunny

    • 67
    • 81

    Partly Sunny

    • 68
    • 82

    Partly Sunny

    • 70
    • 84

    Partly Sunny

    • 70
    • 85

    Slight Chance Thunderstorms

Today 3 Aug Grand Traverse

Mostly sunny. Haze and smoke. Highs around 80. Northwest Winds 5 to 10 Mph.

Tonight 3 Aug Grand Traverse

Mostly clear. Smoke through the night. Haze and patchy fog after midnight. Lows in the mid 50s. Light Winds.

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Old Mission State Park Temperature Statistics

August Temperature

Bellaire, Antrim County Airport (13.7 miles)

  • Lowest 1 August, 2025

    44.4 °F

  • Average August

    60 °F

  • Highest 1 August, 2025

    73.2 °F

Climate (2020–Present)

Bellaire, Antrim County Airport (13.7 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    56.3 °F
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