North Sioux City Weather Forecast

    • 37
    • 63

    Chance Rain Showers

    • 41
    • 69

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

    • 50
    • 76

    Chance Rain Showers

    • 49
    • 73

    Slight Chance Rain Showers

Today 2 May Union

Mostly cloudy with scattered Showers in the Morning, then mostly sunny in the afternoon. Highs in the mid 60s. North Winds 15 to 20 Mph. Chance of rain 50 percent.

Tonight 2 May Union

Mostly cloudy with a 50 percent chance of Showers. Near steady temperature in the mid 40s. Northwest Winds 5 to 10 Mph.

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North Sioux City Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (9.9 miles)

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  • Average May

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Climate (2020–Present)

Sioux City, Sioux Gateway Airport (9.9 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.5 °F
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