North Sioux City Weather Forecast

    • 65
    • 84

    Increasing Clouds

    • 63
    • 79

    Rain Showers Likely

    • 58
    • 76

    Rain Showers Likely

    • 55
    • 77

    Mostly Sunny

    • 61
    • 80

    Mostly Sunny

    • 62
    • 82

    Chance Thunderstorms

Today 18 Aug Union

Sunny. Patchy fog in the morning. Highs around 84. Southeast Winds 5 to 10 Mph.

Tonight 18 Aug Union

Partly cloudy in the Evening, then mostly cloudy with chance of light Showers and slight chance of Thunderstorms after midnight. Lows around 65. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Sioux City Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (9.9 miles)

  • Lowest 2 August, 2018

    51.1 °F
  • Average August

    72.7 °F
  • Highest 3 August, 2018

    90 °F

Climate (2010–Present)

Sioux City, Sioux Gateway Airport (9.9 miles)

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  • Average Low 2010–Present

    39.9 °F
  • Average 2010–Present

    50.6 °F
  • Average High 2010–Present

    61.1 °F
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