St Charles Weather Forecast

    • 21
    • 57

    Snow Showers

    • 8
    • 23

    Snow Showers Likely

    • 19
    • 23

    Mostly Cloudy

    • 32
    • 44

    Mostly Cloudy

    • 36
    • 55

    Partly Sunny

    • 37
    • 60

    Mostly Cloudy

Today 15 Mar Kane

Showers and a chance of Thunderstorms. Windy. Highs in the upper 50s. South Winds 15 to 25 Mph, increasing to 20 to 30 Mph in the afternoon. Gusts up to 45 Mph. Chance of precipitation near 100 percent.

Tonight 15 Mar Kane

A slight chance of Thunderstorms early in the evening. Rain Showers in the evening. Snow Showers in the late evening and overnight. Patchy blowing and Drifting snow after midnight. Areas of blowing and Drifting snow late. Snow accumulation of 1 to 3 Inches. Windy with Lows in the lower 20s. West Winds 15 to 25 Mph, increasing to northwest 20 to 30 Mph after midnight. Gusts up to 45 Mph. Chance of precipitation near 100 percent.

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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

    43 °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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