Chatham Weather Forecast

    • 46
    • 74

    Decreasing Clouds

    • 44
    • 58

    Mostly Sunny

    • 43
    • 55

    Mostly Sunny

    • 51
    • 72

    Rain Showers Likely

    • 45
    • 61

    Partly Sunny

    • 50
    • 62

    Chance Rain Showers

    • 56
    • 76

    Slight Chance Rain Showers

Today 9 May Central Cook

Mostly cloudy. Breezy. Temperatures in the lower 70s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 9 May Central Cook

Partly cloudy in the evening then clearing. Breezy. Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight.

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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

    52.9 °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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