St Charles Weather Forecast

    • 36
    • 52

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 31
    • 77

    Chance Thunderstorms

    • 26
    • 44

    Mostly Sunny

    • 35
    • 54

    Partly Sunny

    • 44
    • 60

    Partly Sunny

    • 48
    • 67

    Mostly Cloudy

Today 24 Mar Kane

Mostly cloudy. Highs in the lower 50s. South Winds 5 to 10 Mph.

Tonight 24 Mar Kane

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 30s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

St Charles Temperature Statistics

March Temperature

Chicago / West Chicago, Dupage Airport (3.1 miles)

  • Lowest 17 March, 2026

    12.7 °F

  • Average March

    41.9 °F

  • Highest 21 March, 2026

    76.6 °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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