Round Lake Weather Forecast

    • 56
    • 85

    Mostly Sunny

    • 53
    • 83

    Slight Chance Rain Showers

    • 45
    • 72

    Partly Sunny

    • 51
    • 75

    Mostly Cloudy

    • 59
    • 82

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 17 Sep Clare

Sunny. Patchy fog in the morning. Highs in the mid 80s. Light Winds.

Tonight 17 Sep Clare

Mostly clear. Lows in the mid 50s. Light Winds.

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Round Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (19.9 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    59.8 °F

  • Highest 14 September, 2025

    82 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.4 °F
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