Old Mission Weather Forecast

    • 64
    • 82

    Increasing Clouds

    • 63
    • 75

    Rain Showers Likely

    • 60
    • 75

    Mostly Sunny

    • 63
    • 79

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 59
    • 76

    Partly Sunny

Today 18 Aug Grand Traverse

Partly sunny. A 20 percent chance of rain Showers in the afternoon. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph early.

Tonight 18 Aug Grand Traverse

Mostly cloudy. Chance of light Showers and Thunderstorms Early, then rain Showers likely and chance of Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts to around 20 Mph. Chance of precipitation 70 percent.

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Old Mission Temperature Statistics

August Temperature

Bellaire, Antrim County Airport (13.7 miles)

  • Lowest 1 August, 2025

    44.4 °F

  • Average August

    71.1 °F

  • Highest 9 August, 2025

    93.4 °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

    56.4 °F
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