O'Hare Weather Forecast
- 69
- 81
Rain Showers Likely
- 66
- 77
Mostly Cloudy
- 69
- 84
Chance Rain Showers
- 67
- 83
Chance Thunderstorms
- 69
- 84
Chance Thunderstorms
- 68
- 83
Chance Thunderstorms
- 65
- 79
Chance Rain Showers
Today 5 Aug Central Cook
Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms. Temperatures in the upper 70s. Southwest Winds around 10 Mph. Chance of precipitation 50 percent.
Tonight 5 Aug Central Cook
Mostly cloudy. A chance of Showers early in the evening. A slight chance of Showers after midnight. Patchy fog late. Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.
O'Hare Temperature Statistics
August Temperature
Chicago, Chicago-O'Hare International Airport (3.1 miles)
Lowest 3 August, 2026
62.1 °FAverage August
71.5 °FHighest 3 August, 2026
82 °F
Climate (2021–2026)
Chicago, Chicago-O'Hare International Airport (3.1 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
62 °F