St Charles Weather Forecast

    • 63
    • 82

    Rain Showers

    • 62
    • 82

    Partly Sunny

    • 67
    • 86

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 67
    • 86

    Slight Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

    • 65
    • 86

    Chance Thunderstorms

Today 6 Jul Kane

Cloudy. A chance of Showers and Thunderstorms late in the Morning, then Showers and Thunderstorms likely in the afternoon. Highs in the lower 80s. West Winds around 10 Mph, becoming north 10 to 15 Mph with Gusts to 20 Mph by mid afternoon. Chance of precipitation 60 percent.

Tonight 6 Jul Kane

Mostly cloudy through the early Overnight, then becoming partly cloudy. A chance of Showers and Thunderstorms early in the evening. Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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St Charles Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (3.1 miles)

  • Lowest 2 July, 2025

    66.9 °F

  • Average July

    79.2 °F

  • Highest 3 July, 2025

    91 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (3.1 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.2 °F
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