Round Lake Weather Forecast

    • 55
    • 78

    Partly Sunny

    • 47
    • 77

    Becoming Sunny

    • 53
    • 78

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 54
    • 78

    Chance Rain Showers

    • 63
    • 79

    Rain Showers Likely

    • 51
    • 75

    Slight Chance Rain Showers

Today 9 Sep Clare

Showers and a slight chance of Thunderstorms. Highs in the upper 70s. West Winds 10 to 15 Mph with Gusts to around 25 Mph. Chance of rain 90 percent.

Tonight 9 Sep Clare

Mostly clear. Lows in the mid 50s. West Winds 5 to 15 Mph in the evening becoming light. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (19.9 miles)

  • Lowest 6 September, 2026

    51.8 °F

  • Average September

    71.2 °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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