Cottonwood Lake Weather Forecast

    • 66
    • 85

    Partly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 68
    • 81

    Chance Thunderstorms

    • 60
    • 85

    Chance Thunderstorms

    • 56
    • 78

    Partly Sunny

    • 59
    • 78

    Partly Sunny

Today 5 Sep Blue Earth

Partly sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.

Tonight 5 Sep Blue Earth

Partly cloudy. A 20 percent chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

September Temperature

Waseca Municipal Airport (16.8 miles)

  • Lowest 1 September, 2026

    55.4 °F

  • Average September

    73.5 °F

  • Highest 2 September, 2026

    86 °F

Climate (2021–2026)

Waseca Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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