North Sioux City Weather Forecast

    • 63
    • 90

    Increasing Clouds

    • 62
    • 85

    Rain Showers

    • 60
    • 73

    Rain Showers

    • 57
    • 72

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 49
    • 69

    Chance Rain Showers

    • 48
    • 65

    Partly Sunny

Today 28 Sep Union

Sunny. Highs around 91. Southeast Winds 10 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Sioux City Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (9.9 miles)

  • Lowest 25 September, 2021

    35.1 °F
  • Average September

    65.9 °F
  • Highest 11 September, 2021

    89.1 °F

Climate (2010–Present)

Sioux City, Sioux Gateway Airport (9.9 miles)

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  • Average Low 2010–Present

    39.8 °F
  • Average 2010–Present

    49.6 °F
  • Average High 2010–Present

    60.1 °F
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