St Charles Weather Forecast

    • 20
    • 23

    Snow

    • 33
    • 40

    Mostly Cloudy

    • 36
    • 52

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 38
    • 61

    Partly Sunny

    • 29
    • 55

    Mostly Cloudy

Today 17 Mar Kane

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 20s. Northwest Winds around 10 Mph, becoming southwest in the afternoon. Wind chill Values as low as 10 below in the morning.

Tonight 17 Mar Kane

A slight chance of snow early in the Evening, then snow in the late evening and overnight. Snow accumulation around an inch. Lows around 19. South Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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  • Temperature Real-Time

St Charles Temperature Statistics

March Temperature

Chicago / West Chicago, Dupage Airport (3.1 miles)

  • Lowest 1 March, 2026

    17.7 °F

  • Average March

    42.3 °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

    61.6 °F
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