Algonquin Lake Weather Forecast

    • 46
    • 62

    Increasing Clouds

    • 48
    • 64

    Increasing Clouds

    • 47
    • 65

    Mostly Cloudy

    • 44
    • 67

    Partly Sunny

    • 42
    • 66

    Mostly Sunny

    • 45
    • 66

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 21 Sep Barry

Mostly sunny. Highs in the lower 70s.

Tonight 21 Sep Barry

Partly cloudy. Lows in the mid 40s. Northeast Winds 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Algonquin Lake Temperature Statistics

September Temperature

Grand Rapids, Gerald R. Ford International Airport (17.4 miles)

  • Lowest 14 September, 2026

    45.6 °F

  • Average September

    68.1 °F

  • Highest 2 September, 2026

    92.6 °F

Climate (2021–2026)

Grand Rapids, Gerald R. Ford International Airport (17.4 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
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