Sleepy Eye Lake Weather Forecast

    • 66
    • 88

    Increasing Clouds

    • 67
    • 87

    Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 69
    • 83

    Rain Showers Likely

    • 61
    • 86

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 78

    Slight Chance Rain Showers

Today 4 Sep Brown

Sunny. Near steady temperature in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 4 Sep Brown

Mostly clear. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sleepy Eye Lake Temperature Statistics

September Temperature

New Ulm Municipal Airport (11.2 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    74.2 °F

  • Highest 2 September, 2026

    87.8 °F

Climate (2021–2026)

New Ulm Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57 °F
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