Grand Lake Weather Forecast

    • 48
    • 66

    Slight Chance Rain Showers

    • 54
    • 75

    Rain Showers

    • 50
    • 64

    Chance Rain Showers

    • 51
    • 67

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

Today 26 Aug Presque Isle

Partly sunny. A 20 percent chance of rain Showers early. Highs in the upper 60s. Northwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 26 Aug Presque Isle

Mostly clear. Lows in the mid 40s. West Winds up to 10 Mph. Gusts up to 25 Mph early.

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Grand Lake Temperature Statistics

August Temperature

Alpena, Alpena County Regional Airport (15.5 miles)

  • Lowest 18 August, 2025

    48.7 °F

  • Average August

    69.6 °F

  • Highest 9 August, 2025

    91.7 °F

Climate (2020–Present)

Alpena, Alpena County Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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