Arnolds Park Weather Forecast

    • 48
    • 60

    Mostly Cloudy

    • 52
    • 63

    Rain Showers Likely

    • 53
    • 62

    Rain Showers Likely

    • 55
    • 65

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

    • 57
    • 72

    Mostly Cloudy

Today 22 Sep Dickinson

Mostly cloudy with a chance of Showers. Highs in the mid 60s. Chance of rain 50 percent.

Tonight 22 Sep Dickinson

Mostly cloudy. Lows in the upper 40s. Southeast Winds 5 to 10 Mph.

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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

    69.3 °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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