Round Lake Weather Forecast

    • 43
    • 61

    Rain Showers

    • 43
    • 62

    Chance Rain Showers

    • 39
    • 65

    Chance Rain Showers

    • 47
    • 73

    Partly Sunny

    • 47
    • 73

    Partly Sunny

    • 49
    • 71

    Chance Rain Showers

Today 14 Sep Divide

A slight chance of Thunderstorms. Showers likely. Very windy. Highs in the lower 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, increasing to west 30 to 40 Mph with Gusts up to 55 Mph in the afternoon. Chance of rain 60 percent.

Tonight 14 Sep Divide

Mostly cloudy. Showers likely in the evening. Very windy. Lows in the lower 40s. West Winds 25 to 35 Mph with Gusts up to 50 Mph, becoming northwest around 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain 60 percent.

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Round Lake Temperature Statistics

September Temperature

CROSBY (33.6 miles)

  • Lowest 12 September, 2026

    42.8 °F

  • Average September

    64.2 °F

  • Highest 6 September, 2026

    87.8 °F

Climate (2021–2026)

CROSBY (33.6 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    39.4 °F

  • Average High 2021–2026

    50.6 °F
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