Summit Weather Forecast

    • 42
    • 64

    Breezy

    • 36
    • 58

    Rain Showers

    • 28
    • 44

    Chance Snow

    • 24
    • 38

    Mostly Cloudy

    • 21
    • 33

    Slight Chance Snow

    • 22
    • 33

    Partly Sunny

    • 32
    • 41

    Slight Chance Rain/Snow

Today 18 Feb Central Cook

Sunny, windy. Temperatures in the lower 60s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 18 Feb Central Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 40s. Southwest Winds 5 to 10 Mph.

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Summit Temperature Statistics

February Temperature

Chicago, Chicago Midway Airport (2.5 miles)

  • Lowest 1 February, 2026

    12 °F

  • Average February

    31.6 °F

  • Highest 16 February, 2026

    64.9 °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

    61.9 °F
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