Sleepy Eye State Park Weather Forecast

    • -17
    • 3

    Slight Chance Snow

    • 0
    • 13

    Mostly Sunny

    • 14
    • 31

    Partly Sunny

    • 24
    • 40

    Partly Sunny

    • 19
    • 39

    Slight Chance Rain

    • 3
    • 29

    Partly Sunny

Today 13 Dec Brown

Colder. Mostly cloudy then becoming mostly sunny early in the afternoon then becoming sunny. Chance of Flurries early in the Morning, then slight chance of snow early in the morning. Chance of Flurries late in the morning. Highs around 3. Northwest Winds 10 to 15 Mph. Chance of snow 20 percent.

Tonight 13 Dec Brown

Colder. Mostly clear. Lows around 16 below. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

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Sleepy Eye State Park Temperature Statistics

December Temperature

New Ulm Municipal Airport (11.2 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    16.3 °F

  • Highest 9 December, 2025

    37.4 °F

Climate (2020–Present)

New Ulm Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    56.7 °F
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