Big Oaks Weather Forecast
- 72
- 89
Chance Thunderstorms
- 74
- 89
Chance Thunderstorms
- 69
- 79
Slight Chance Thunderstorms
- 67
- 76
Partly Sunny
- 67
- 81
Partly Sunny
- 72
- 84
Chance Rain Showers
Today 3 Sep Central Cook
Mostly sunny late in the Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. West Winds around 10 Mph, becoming southeast in the afternoon. Chance of precipitation 40 percent. Heat index Values up to 103.
Tonight 3 Sep Central Cook
Partly cloudy. A chance of Showers and Thunderstorms early in the Evening, then a slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Big Oaks Temperature Statistics
September Temperature
Chicago, Chicago-O'Hare International Airport (5 miles)
Lowest 1 September, 2026
77 °FAverage September
84.9 °FHighest 1 September, 2026
93.9 °F
Climate (2021–2026)
Chicago, Chicago-O'Hare International Airport (5 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
61.9 °F