Wilmette Weather Forecast

    • 68
    • 83

    Chance Rain Showers

    • 67
    • 80

    Rain Showers Likely

    • 50
    • 81

    Rain Showers Likely

    • 46
    • 55

    Partly Sunny

    • 50
    • 59

    Mostly Cloudy

    • 54
    • 61

    Mostly Cloudy

    • 57
    • 63

    Mostly Cloudy

Today 17 May Northern Cook

Mostly cloudy. Windy. Temperatures in the mid 80s. South Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 17 May Northern Cook

Partly cloudy. A slight chance of Showers late. Breezy. Lows in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

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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

    52.4 °F

  • Highest 4 May, 2026

    81.6 °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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