Westchester Weather Forecast

    • 64
    • 85

    Mostly Cloudy

    • 57
    • 84

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

Today 26 May Central Cook

Mostly cloudy. Highs in the mid 80s Inland, but only in the upper 70s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 26 May Central Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Westchester Temperature Statistics

May Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    58.8 °F

  • Highest 17 May, 2026

    86 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (7.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    62 °F
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