Sleepy Hollow Weather Forecast

    • 76
    • 92

    Slight Chance Thunderstorms

    • 71
    • 93

    Thunderstorms Likely

    • 67
    • 83

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 70
    • 91

    Mostly Sunny

    • 70
    • 91

    Slight Chance Thunderstorms

Today 23 Jul Kane

Partly cloudy in the Morning, then clearing. Hot and humid with Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 106.

Tonight 23 Jul Kane

Mostly clear. Warm and humid with Lows in the mid 70s. South Winds around 10 Mph. Heat index Values up to 101 early in the evening.

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Sleepy Hollow Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (13.7 miles)

  • Lowest 18 July, 2025

    56.6 °F

  • Average July

    76.4 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (13.7 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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