Chicago O'Hare International Airport Weather Forecast
- 43
- 56
Rain Showers Likely
- 39
- 52
Mostly Cloudy
- 37
- 53
Mostly Sunny
- 45
- 58
Mostly Cloudy
- 48
- 59
Chance Rain Showers
- 50
- 61
Slight Chance Rain Showers
Today 21 Oct Central Cook
Partly cloudy in the Morning, then becoming mostly cloudy. A slight chance of Showers early in the afternoon. Showers likely late. Windy. Highs in the upper 50s. Temperature falling to around 50 late in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 15 to 25 Mph with Gusts up to 40 Mph in the afternoon. Chance of precipitation 60 percent.
Tonight 21 Oct Central Cook
Mostly cloudy. Showers likely early in the Evening, then a slight chance of Showers late in the evening. Breezy with Lows in the lower 40s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 60 percent.
Chicago O'Hare International Airport Temperature Statistics
October Temperature
Chicago, Chicago-O'Hare International Airport (0 miles)
Lowest 9 October, 2025
46 °FAverage October
64.5 °FHighest 3 October, 2025
88 °F
Climate (2020–Present)
Chicago, Chicago-O'Hare International Airport (0 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
61.8 °F