Glencoe Weather Forecast

    • 64
    • 75

    Mostly Sunny

    • 66
    • 77

    Mostly Sunny

    • 66
    • 76

    Mostly Cloudy

    • 66
    • 76

    Slight Chance Thunderstorms

    • 66
    • 80

    Chance Rain Showers

    • 67
    • 78

    Chance Rain Showers

Today 17 Sep Northern Cook

Mostly sunny. Patchy fog through mid morning. Highs in the mid 80s Inland, but only in the upper 70s near the lake. Northeast Winds around 5 Mph.

Tonight 17 Sep Northern Cook

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Glencoe Temperature Statistics

September Temperature

Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)

  • Lowest 7 September, 2025

    46.9 °F

  • Average September

    65 °F

  • Highest 12 September, 2025

    84.9 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
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