Wilmette Weather Forecast

    • 54
    • 64

    Mostly Cloudy

    • 57
    • 66

    Mostly Cloudy

    • 56
    • 66

    Mostly Sunny

    • 63
    • 71

    Mostly Sunny

    • 69
    • 85

    Mostly Cloudy

    • 68
    • 84

    Rain Showers Likely

    • 68
    • 82

    Chance Thunderstorms

Today 31 May Northern Cook

Mostly cloudy. Temperatures in the lower 70s. East Winds 5 to 10 Mph.

Tonight 31 May Northern Cook

Mostly cloudy. A chance of Sprinkles late. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wilmette Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    58.5 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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