Portage Des Sioux Weather Forecast

    • 72
    • 91

    Sunny

    • 73
    • 92

    Mostly Sunny

    • 74
    • 92

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

Today 14 Jul St. Charles

Sunny. Near steady temperature in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 14 Jul St. Charles

Mostly clear. Lows in the lower 70s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portage Des Sioux Temperature Statistics

July Temperature

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

  • Lowest 5 July, 2026

    69.7 °F

  • Average July

    81 °F

  • Highest 2 July, 2026

    97.6 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.9 °F
Get WillyWeather+ to remove ads