Mille Lacs Kathio State Park Weather Forecast

    • 42
    • 61

    Mostly Sunny

    • 48
    • 63

    Rain Showers Likely

    • 51
    • 62

    Rain Showers Likely

    • 52
    • 67

    Rain Showers Likely

    • 53
    • 64

    Chance Rain Showers

    • 52
    • 67

    Partly Sunny

Today 22 Sep Mille Lacs

Sunny. Highs in the lower 60s. East Winds up to 10 Mph.

Tonight 22 Sep Mille Lacs

Mostly clear. Lows 39 to 45. Southeast Winds up to 5 Mph.

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Mille Lacs Kathio State Park Temperature Statistics

September Temperature

Brainerd - Crow Wing County Airport (25.5 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    63.7 °F

  • Highest 3 September, 2026

    84.7 °F

Climate (2021–2026)

Brainerd - Crow Wing County Airport (25.5 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.5 °F
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