Arnolds Park Weather Forecast

    • 64
    • 77

    Rain Showers Likely

    • 59
    • 75

    Chance Thunderstorms

    • 57
    • 73

    Chance Rain Showers

    • 58
    • 78

    Mostly Cloudy

    • 59
    • 80

    Slight Chance Thunderstorms

    • 55
    • 80

    Slight Chance Thunderstorms

    • 53
    • 75

    Mostly Sunny

Today 17 Sep Dickinson

Mostly cloudy with a chance of Thunderstorms. A chance of Showers Early, then Showers likely. Not as warm with Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 17 Sep Dickinson

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Arnolds Park Temperature Statistics

September Temperature

Spencer Municipal Airport (14.3 miles)

  • Lowest 6 September, 2025

    35.1 °F

  • Average September

    64.2 °F

  • Highest 13 September, 2025

    93.9 °F

Climate (2020–Present)

Spencer Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    60.7 °F
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