La Grange Weather Forecast

    • 48
    • 57

    Rain Showers

    • 52
    • 58

    Rain Showers

    • 47
    • 59

    Rain Showers Likely

    • 44
    • 58

    Partly Sunny

    • 45
    • 61

    Partly Sunny

    • 48
    • 65

    Partly Sunny

    • 51
    • 67

    Partly Sunny

Today 19 May Central Cook

Mostly cloudy. Highs in the upper 50s Inland, but only in the lower 50s near the lake. Northeast Winds 10 to 15 Mph.

Tonight 19 May Central Cook

Mostly cloudy. A slight chance of Showers in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Breezy. Lows in the upper 40s. East Winds 15 to 20 Mph. Gusts up to 35 Mph after midnight. Chance of precipitation 90 percent.

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La Grange Temperature Statistics

May Temperature

Chicago, Chicago Midway Airport (5.6 miles)

  • Lowest 9 May, 2025

    39.9 °F

  • Average May

    60.6 °F

  • Highest 15 May, 2025

    95 °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

    61.9 °F
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