Wilmette Weather Forecast

    • 52
    • 63

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 66

    Mostly Sunny

    • 58
    • 69

    Mostly Sunny

Today 5 Oct Northern Cook

Mostly sunny. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 5 Oct Northern Cook

Mostly clear. Lows in the upper 40s. Southeast Winds 5 to 10 Mph.

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Wilmette Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 3 October, 2026

    45 °F

  • Average October

    60.4 °F

  • Highest 1 October, 2026

    70.6 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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