Wilmette Weather Forecast

    • 41
    • 47

    Rain Showers

    • 39
    • 47

    Partly Sunny

    • 43
    • 48

    Partly Sunny

    • 50
    • 61

    Chance Rain Showers

    • 48
    • 66

    Chance Rain Showers

    • 49
    • 60

    Chance Rain Showers

Today 30 Apr Northern Cook

Mostly cloudy. Patchy fog early in the morning. Scattered Showers in the afternoon. Highs in the lower 50s Inland, but only in the upper 40s near the lake. Northwest Winds around 5 Mph, becoming northeast in the afternoon. Chance of precipitation 40 percent.

Tonight 30 Apr Northern Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Scattered Showers, mainly in the evening. Lows in the upper 30s. East Winds around 5 Mph, becoming northwest after midnight. Chance of precipitation 40 percent.

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Wilmette Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    28.7 °F

  • Average April

    53.1 °F

  • Highest 12 April, 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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