Round Lake Weather Forecast

    • 62
    • 78

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 66
    • 81

    Slight Chance Rain Showers

    • 71
    • 84

    Chance Rain Showers

    • 71
    • 86

    Chance Rain Showers

    • 67
    • 85

    Partly Sunny

Today 26 Aug Ottawa

Showers likely and a slight chance of Thunderstorms. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph. Chance of rain 70 percent.

Tonight 26 Aug Ottawa

Mostly clear. Lows in the lower 60s. West Winds 5 to 10 Mph with Gusts to around 25 Mph in the evening becoming light.

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Round Lake Temperature Statistics

August Temperature

Grand Rapids, Gerald R. Ford International Airport (14.3 miles)

  • Lowest 24 August, 2026

    52 °F

  • Average August

    72.2 °F

  • Highest 7 August, 2026

    88.6 °F

Climate (2021–2026)

Grand Rapids, Gerald R. Ford International Airport (14.3 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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