Loon Bay Weather Forecast

    • 64
    • 79

    Chance Thunderstorms

    • 62
    • 76

    Rain Showers Likely

    • 59
    • 74

    Rain Showers Likely

    • 59
    • 76

    Chance Rain Showers

    • 61
    • 80

    Chance Thunderstorms

    • 55
    • 79

    Slight Chance Thunderstorms

    • 54
    • 74

    Mostly Sunny

Today 17 Sep Nicollet

Not as warm. Mostly cloudy with a 50 percent chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds around 5 Mph.

Tonight 17 Sep Nicollet

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loon Bay Temperature Statistics

September Temperature

New Ulm Municipal Airport (11.8 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    63.2 °F

  • Highest 13 September, 2025

    87.8 °F

Climate (2020–Present)

New Ulm Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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