St Charles Weather Forecast

    • 38
    • 53

    Slight Chance Rain Showers

    • 39
    • 65

    Mostly Cloudy

    • 45
    • 67

    Partly Sunny

    • 28
    • 60

    Mostly Cloudy

    • 29
    • 44

    Partly Sunny

    • 35
    • 51

    Mostly Cloudy

Today 19 Mar Kane

Partly cloudy. A slight chance of rain Showers early in the morning. Highs in the lower 50s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 19 Mar Kane

Mostly cloudy. Lows in the upper 30s. East Winds around 5 Mph, becoming south after midnight.

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St Charles Temperature Statistics

March Temperature

Chicago / West Chicago, Dupage Airport (3.1 miles)

  • Lowest 1 March, 2026

    17.7 °F

  • Average March

    41.1 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

Chicago / West Chicago, Dupage Airport (3.1 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.5 °F
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