Okoboji Weather Forecast

    • 26
    • 36

    Mostly Cloudy

    • 30
    • 43

    Mostly Cloudy

    • 34
    • 40

    Mostly Cloudy

    • 32
    • 42

    Mostly Cloudy

    • 10
    • 43

    Mostly Cloudy

    • 6
    • 19

    Mostly Sunny

Today 23 Dec Dickinson

Mostly sunny. Highs in the upper 30s. North Winds 5 to 10 Mph.

Tonight 23 Dec Dickinson

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the upper 20s. East Winds 5 to 10 Mph, becoming southeast after midnight.

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Okoboji Temperature Statistics

December Temperature

Spencer Municipal Airport (14.9 miles)

  • Lowest 4 December, 2025

    -16.1 °F

  • Average December

    17.4 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Spencer Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    60.7 °F
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