Chatham Weather Forecast

    • 28
    • 37

    Chance Rain/Snow

    • 27
    • 37

    Chance Snow

    • 23
    • 33

    Chance Snow

    • 22
    • 31

    Mostly Cloudy

    • 34
    • 41

    Mostly Cloudy

    • 27
    • 46

    Chance Rain

Today 20 Feb Central Cook

Cloudy. A chance of rain early in the morning. A chance of snow in the morning. Little or no snow accumulation. Windy. Near steady temperature in the mid 30s. West Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation 50 percent.

Tonight 20 Feb Central Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Blustery with Lows in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph after midnight.

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Chatham Temperature Statistics

February Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 1 February, 2026

    12 °F

  • Average February

    33.9 °F

  • Highest 16 February, 2026

    64.9 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (7.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62 °F
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