Wilmette Weather Forecast

    • 65
    • 74

    Slight Chance Rain Showers

    • 66
    • 81

    Rain Showers Likely

    • 65
    • 74

    Partly Sunny

    • 64
    • 74

    Partly Sunny

    • 65
    • 79

    Slight Chance Thunderstorms

    • 64
    • 78

    Slight Chance Thunderstorms

Today 17 Aug Northern Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Isolated Showers. Highs in the upper 70s Inland, but only in the mid 70s near the lake. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 17 Aug Northern Cook

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Wilmette Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    74.2 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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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