Mille Lacs Lake Weather Forecast

    • 44
    • 55

    Mostly Cloudy

    • 40
    • 58

    Partly Sunny

    • 44
    • 62

    Mostly Sunny

    • 56
    • 70

    Chance Thunderstorms

    • 52
    • 69

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

Today 5 Sep South Aitkin

Mostly cloudy with a 30 percent chance of Showers. Highs in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep South Aitkin

Mostly cloudy. A chance of Sprinkles in the evening. Lows around 40. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mille Lacs Lake Temperature Statistics

September Temperature

Aitkin Municipal Airport - Steve Kurtz Field (15.5 miles)

  • Lowest 3 September, 2025

    39.2 °F

  • Average September

    60.1 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Aitkin Municipal Airport - Steve Kurtz Field (15.5 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    52.8 °F
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