Grand Mound State Park Weather Forecast

    • 34
    • 64

    Mostly Sunny

    • 47
    • 65

    Rain Showers Likely

    • 50
    • 62

    Rain Showers Likely

    • 53
    • 68

    Mostly Cloudy

    • 51
    • 67

    Chance Rain Showers

    • 43
    • 65

    Partly Sunny

Today 22 Sep Koochiching

Areas of frost in the morning. Sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 22 Sep Koochiching

Mostly clear. Lows in the mid 30s. Southeast Winds around 5 Mph.

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Grand Mound State Park Temperature Statistics

September Temperature

Falls International Airport (14.3 miles)

  • Lowest 16 September, 2026

    31.6 °F

  • Average September

    59.2 °F

  • Highest 6 September, 2026

    83.6 °F

Climate (2021–2026)

Falls International Airport (14.3 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.9 °F
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