Countryside Weather Forecast
- 62
- 82
Mostly Sunny
- 63
- 84
Mostly Sunny
- 65
- 86
Partly Sunny
- 65
- 83
Chance Rain Showers
- 64
- 77
Chance Rain Showers
- 65
- 78
Chance Rain Showers
Today 16 Sep Central Cook
Mostly sunny. Highs in the lower 80s Inland, but only in the mid 70s near the lake. East Winds 5 to 10 Mph.
Tonight 16 Sep Central Cook
Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.
Countryside Temperature Statistics
September Temperature
Chicago, Chicago Midway Airport (6.2 miles)
Lowest 7 September, 2025
48.9 °FAverage September
67.6 °FHighest 12 September, 2025
84.9 °F
Climate (2020–Present)
Chicago, Chicago Midway Airport (6.2 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
61.8 °F