Summit Weather Forecast

    • 51
    • 71

    Rain Showers

    • 48
    • 81

    Rain Showers

    • 37
    • 56

    Slight Chance Rain Showers

    • 36
    • 52

    Mostly Sunny

    • 49
    • 58

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 16 Apr Central Cook

Mostly cloudy. Scattered Showers and a slight chance of Thunderstorms late in the morning. Highs around 70. West Winds 10 to 15 Mph, becoming north in the afternoon. Chance of precipitation 40 percent.

Tonight 16 Apr Central Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 50s in the Suburbs to the upper 40s Downtown. East Winds 5 to 10 Mph, becoming southeast after midnight.

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Summit Temperature Statistics

April Temperature

Chicago, Chicago Midway Airport (2.5 miles)

  • Lowest 7 April, 2026

    30 °F

  • Average April

    51 °F

  • Highest 12 April, 2026

    80.1 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (2.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    62 °F
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