Chatham Weather Forecast

    • 52
    • 63

    Decreasing Clouds

    • 48
    • 72

    Becoming Sunny

    • 44
    • 57

    Partly Sunny

    • 44
    • 54

    Mostly Sunny

    • 49
    • 65

    Rain Showers Likely

    • 46
    • 60

    Partly Sunny

    • 53
    • 63

    Chance Rain Showers

Today 8 May Central Cook

Mostly cloudy. Highs in the mid 60s Inland, but only around 60 near the lake. South Winds 5 to 10 Mph.

Tonight 8 May Central Cook

Partly cloudy. Lows around 50. South Winds 5 to 10 Mph.

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Chatham Temperature Statistics

May Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    53.4 °F

  • Highest 4 May, 2026

    80.1 °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

    54.4 °F

  • Average High 2021–2026

    62 °F
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