Old Mission State Park Weather Forecast

    • 40
    • 54

    Decreasing Clouds

    • 47
    • 60

    Mostly Sunny

    • 51
    • 63

    Slight Chance Rain Showers

    • 51
    • 64

    Partly Sunny

    • 55
    • 68

    Mostly Cloudy

    • 56
    • 66

    Chance Rain Showers

Today 8 Oct Grand Traverse

Mostly sunny. Highs in the mid 50s. North Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 8 Oct Grand Traverse

Clear. Areas of frost Early, then widespread frost after midnight. Lows around 30. Light Winds.

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Old Mission State Park Temperature Statistics

October Temperature

Bellaire, Antrim County Airport (13.7 miles)

  • Lowest 2 October, 2025

    44.2 °F

  • Average October

    69 °F

  • Highest 4 October, 2025

    87.4 °F

Climate (2020–Present)

Bellaire, Antrim County Airport (13.7 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    56.5 °F
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