Summit Weather Forecast

    • 24
    • 37

    Increasing Clouds

    • 33
    • 43

    Decreasing Clouds

    • 32
    • 60

    Partly Sunny

    • 24
    • 39

    Chance Snow

    • 23
    • 31

    Chance Snow

    • 24
    • 34

    Chance Rain/Snow

    • 28
    • 39

    Chance Rain

Today 25 Feb Central Cook

Mostly sunny. Temperatures in the upper 30s. West Winds around 10 Mph.

Tonight 25 Feb Central Cook

Mostly cloudy late in the Evening, then becoming partly cloudy. Lows in the mid 20s. Northwest Winds around 5 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

    33.2 °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

    46.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62 °F
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