Round Lake Weather Forecast

    • 48
    • 75

    Decreasing Clouds

    • 49
    • 72

    Rain Showers Likely

    • 51
    • 64

    Rain Showers

    • 48
    • 67

    Mostly Cloudy

    • 47
    • 66

    Mostly Cloudy

    • 49
    • 66

    Chance Rain Showers

Today 17 Sep Clare

Mostly sunny. A 20 percent chance of rain Showers in the morning. Highs in the mid 70s. Light Winds.

Tonight 17 Sep Clare

Partly cloudy. Lows in the upper 40s. Light Winds.

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  • Temperature Real-Time

Round Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (19.9 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    68.3 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.5 °F
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