Winnebago Weather Forecast

    • 66
    • 82

    Thunderstorms Likely

    • 69
    • 86

    Chance Thunderstorms

    • 73
    • 89

    Mostly Sunny

    • 68
    • 92

    Chance Thunderstorms

    • 62
    • 84

    Chance Thunderstorms

    • 63
    • 84

    Chance Thunderstorms

Today 5 Aug Thurston

Mostly sunny. Near steady temperature around 80. Southeast Winds 15 to 20 Mph.

Tonight 5 Aug Thurston

Mostly cloudy. Showers and Thunderstorms likely after midnight. Humid with Lows in the mid 60s. Southeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Winnebago Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (11.8 miles)

  • Lowest 2 August, 2025

    55 °F

  • Average August

    66.5 °F

  • Highest 3 August, 2025

    75 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (11.8 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.6 °F
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