Horseshoe Lake Weather Forecast

    • 42
    • 65

    Breezy

    • 32
    • 56

    Breezy

    • 33
    • 62

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 49
    • 65

    Mostly Cloudy

Today 20 Oct Union

Mostly cloudy with a chance of Showers this Morning, then partly sunny this afternoon. Windy with Highs in the mid 60s. Southwest Winds 15 to 20 Mph, becoming northwest 20 to 30 Mph this afternoon. Chance of rain 20 percent.

Tonight 20 Oct Union

Partly cloudy and breezy. Lows in the lower 40s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph.

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Horseshoe Lake Temperature Statistics

October Temperature

Sioux City, Sioux Gateway Airport (17.4 miles)

  • Lowest 8 October, 2025

    36 °F

  • Average October

    62.8 °F

  • Highest 2 October, 2025

    89.1 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (17.4 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    62.7 °F
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