Hermosa Weather Forecast

    • 21
    • 24

    Blustery

    • 16
    • 40

    Mostly Cloudy

    • 22
    • 28

    Partly Sunny

    • 35
    • 39

    Mostly Cloudy

    • 34
    • 45

    Mostly Cloudy

    • 40
    • 46

    Mostly Cloudy

Today 19 Dec Central Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Blustery with Highs in the mid 20s. West Winds 15 to 25 Mph, becoming 15 to 20 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 19 Dec Central Cook

Mostly cloudy. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. South Winds 5 to 10 Mph, increasing to 15 to 20 Mph with Gusts up to 25 Mph after midnight.

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Hermosa Temperature Statistics

December Temperature

Chicago, Chicago Midway Airport (9.3 miles)

  • Lowest 14 December, 2025

    -0.9 °F

  • Average December

    22.7 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (9.3 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    61.8 °F
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