Portage Des Sioux Weather Forecast

    • 64
    • 87

    Mostly Sunny

    • 68
    • 89

    Becoming Sunny

    • 72
    • 92

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 75
    • 94

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

Today 1 Jul St. Charles

Sunny. Near steady temperature in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 1 Jul St. Charles

Clear. Lows in the mid 60s. Northwest Winds around 5 Mph.

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Portage Des Sioux Temperature Statistics

July Temperature

St. Charles, St. Charles County Smartt Airport (4.3 miles)

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  • Average July

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Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (4.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.3 °F
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