Dakota Dunes Weather Forecast

    • 66
    • 85

    Becoming Sunny

    • 66
    • 90

    Breezy

    • 60
    • 84

    Partly Sunny

    • 51
    • 75

    Partly Sunny

    • 52
    • 66

    Mostly Cloudy

    • 55
    • 69

    Chance Rain Showers

Today 9 Oct Union

Sunny. Highs in the lower 80s. East Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southeast 5 to 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 9 Oct Union

Clear. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dakota Dunes Temperature Statistics

October Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 5 October, 2026

    41 °F

  • Average October

    60.7 °F

  • Highest 6 October, 2026

    87.1 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (7.5 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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