Wilmette Weather Forecast

    • 39
    • 57

    Rain Showers

    • 49
    • 62

    Mostly Cloudy

    • 47
    • 73

    Partly Sunny

    • 45
    • 57

    Partly Sunny

    • 46
    • 56

    Partly Sunny

    • 48
    • 61

    Rain Showers Likely

Today 7 May Northern Cook

Partly cloudy late in the Morning, then becoming mostly cloudy. Isolated Showers in the afternoon. Highs in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

Tonight 7 May Northern Cook

Partly cloudy. Lows in the upper 30s. Southwest Winds 5 to 10 Mph.

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Wilmette Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    52.1 °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

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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