Cottonwood Cove Park Weather Forecast

    • 61
    • 70

    Mostly Cloudy

    • 62
    • 69

    Rain Showers

    • 58
    • 69

    Rain Showers

    • 48
    • 63

    Partly Sunny

    • 50
    • 62

    Mostly Sunny

    • 53
    • 63

    Partly Sunny

Today 28 Sep Dakota

Mostly cloudy. Highs around 70. Southeast Winds around 10 Mph.

Tonight 28 Sep Dakota

Mostly cloudy. Lows in the lower 60s. South Winds around 10 Mph with Gusts up to 20 Mph.

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Cottonwood Cove Park Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (1.2 miles)

  • Lowest 10 September, 2026

    50.6 °F

  • Average September

    69.8 °F

  • Highest 18 September, 2026

    96.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (1.2 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    63.4 °F
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