Dakota Dunes Weather Forecast

    • 66
    • 90

    Mostly Sunny

    • 67
    • 91

    Sunny

    • 67
    • 93

    Mostly Sunny

    • 67
    • 94

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

    • 75
    • 97

    Mostly Sunny

Today 11 Jul Union

Sunny with Highs around 90. South Winds 5 to 10 Mph.

Tonight 11 Jul Union

Clear with Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Dakota Dunes Temperature Statistics

July Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 5 July, 2026

    61.6 °F

  • Average July

    78.4 °F

  • Highest 7 July, 2026

    90.6 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (7.5 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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