Arnolds Park Weather Forecast

    • 50
    • 64

    Rain Showers

    • 46
    • 55

    Rain Showers

    • 43
    • 61

    Mostly Sunny

    • 48
    • 64

    Chance Rain Showers

    • 52
    • 64

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

Today 20 Sep Dickinson

Partly sunny. Highs in the lower 70s.

Tonight 20 Sep Dickinson

Cloudy. A chance of Showers this Evening, then Showers after midnight. Lows around 50. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Arnolds Park Temperature Statistics

September Temperature

Spencer Municipal Airport (14.3 miles)

  • Lowest 13 September, 2026

    44.7 °F

  • Average September

    70.2 °F

  • Highest 4 September, 2026

    94.6 °F

Climate (2021–2026)

Spencer Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    61.1 °F
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