St Charles Weather Forecast

    • 56
    • 79

    Decreasing Clouds

    • 55
    • 83

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 59
    • 87

    Partly Sunny

Today 13 Sep Saginaw

Mostly cloudy with a slight chance of Showers in the Morning, then partly cloudy in the afternoon. Highs in the upper 70s. Southwest Winds up to 5 Mph. Chance of rain 20 percent.

Tonight 13 Sep Saginaw

Mostly clear. Lows in the mid 50s. South Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Charles Temperature Statistics

September Temperature

MBS International Airport (16.2 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    59 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

MBS International Airport (16.2 miles)

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

  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    59 °F
Get WillyWeather+ to remove ads