Chatham Weather Forecast

    • 17
    • 36

    Snow Showers

    • 11
    • 21

    Snow Likely

    • 4
    • 22

    Chance Snow

    • 4
    • 9

    Cold

    • 16
    • 21

    Slight Chance Snow

    • 15
    • 31

    Slight Chance Snow

    • 14
    • 23

    Slight Chance Snow

Today 16 Jan Central Cook

Cloudy. A chance of snow late in the Morning, then isolated snow Showers early in the afternoon. Numerous snow Showers late. Little or no snow accumulation. Highs in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 60 percent.

Tonight 16 Jan Central Cook

Mostly cloudy. Isolated snow Showers. Blustery. Lows around 17. West Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 20 percent.

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Chatham Temperature Statistics

January Temperature

Chicago, Chicago Midway Airport (7.5 miles)

  • Lowest 1 January, 2026

    12 °F

  • Average January

    33.8 °F

  • Highest 8 January, 2026

    60.1 °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

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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