Gateway Lake Weather Forecast

    • 49
    • 66

    Increasing Clouds

    • 42
    • 57

    Rain

    • 35
    • 49

    Rain Likely

    • 32
    • 50

    Mostly Cloudy

    • 32
    • 53

    Partly Sunny

    • 32
    • 54

    Partly Sunny

    • 36
    • 60

    Partly Sunny

Today 26 Oct Dakota

Partly sunny. Highs in the lower 60s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 26 Oct Dakota

Mostly cloudy. Lows in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gateway Lake Temperature Statistics

October Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 22 October, 2025

    26.1 °F

  • Average October

    59 °F

  • Highest 2 October, 2025

    89.1 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    62.8 °F
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