La Grange Weather Forecast

    • 32
    • 50

    Mostly Cloudy

    • 38
    • 42

    Rain Showers

    • 42
    • 42

    Rain Likely

    • 39
    • 51

    Mostly Cloudy

    • 29
    • 51

    Mostly Cloudy

    • 15
    • 34

    Mostly Sunny

Today 23 Dec Central Cook

Mostly cloudy. Highs in the upper 40s. West Winds around 10 Mph.

Tonight 23 Dec Central Cook

Partly cloudy. Lows in the lower 30s. Northwest Winds 5 to 10 Mph, becoming northeast after midnight.

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La Grange Temperature Statistics

December Temperature

Chicago, Chicago Midway Airport (5.6 miles)

  • Lowest 14 December, 2025

    -0.9 °F

  • Average December

    24.7 °F

  • Highest 18 December, 2025

    52 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (5.6 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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