St Charles Weather Forecast

    • 46
    • 53

    Increasing Clouds

    • 39
    • 64

    Partly Sunny

    • 43
    • 59

    Partly Sunny

    • 50
    • 61

    Chance Rain Showers

    • 48
    • 64

    Slight Chance Rain Showers

    • 46
    • 62

    Mostly Cloudy

Today 27 Oct Gregory

Partly sunny. Not as cool with Highs in the mid 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 27 Oct Gregory

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Charles Temperature Statistics

October Temperature

Winner, Bob Wiley Field Airport (42.9 miles)

  • Lowest 14 October, 2026

    33.1 °F

  • Average October

    57.5 °F

  • Highest 10 October, 2026

    93 °F

Climate (2021–2026)

Winner, Bob Wiley Field Airport (42.9 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    63.5 °F
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