Chatham Weather Forecast
- 76
- 92
Chance Rain Showers
- 77
- 96
Slight Chance Thunderstorms
- 70
- 87
Chance Thunderstorms
- 69
- 80
Mostly Sunny
- 70
- 82
Chance Rain Showers
- 70
- 81
Chance Rain Showers
Today 4 Jul Central Cook
Mostly cloudy in the Morning, then becoming partly cloudy. A chance of Showers in the morning. A slight chance of Thunderstorms late morning through mid afternoon. A slight chance of Showers early to mid afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of precipitation 40 percent.
Tonight 4 Jul Central Cook
Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph.
Chatham Temperature Statistics
July Temperature
Chicago, Chicago Midway Airport (7.5 miles)
Lowest 1 July, 2025
72 °FAverage July
80.1 °FHighest 1 July, 2025
88 °F
Climate (2020–Present)
Chicago, Chicago Midway Airport (7.5 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
61.8 °F