Sioux City Weather Forecast

    • 47
    • 71

    Chance Rain Showers

    • 54
    • 81

    Partly Sunny

    • 57
    • 86

    Sunny

    • 62
    • 87

    Mostly Sunny

    • 67
    • 89

    Chance Thunderstorms

    • 57
    • 84

    Rain Showers Likely

Today 29 May Woodbury

Partly sunny. A chance of Sprinkles late this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs around 70. North Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 29 May Woodbury

Partly cloudy with a chance of Sprinkles this Evening, then mostly clear after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sioux City Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (6.2 miles)

  • Lowest 3 May, 2025

    32.6 °F

  • Average May

    61.9 °F

  • Highest 11 May, 2025

    90.6 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (6.2 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    62.7 °F
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