- Integrated Surface Dataset (ISD) station ID: 725300
- Country: US
- State: IL
- Latitude: 41.96
- Longitude: -87.932
A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.
High Temperatures
On June 23 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 82.9 °F (28.3 °C). The lowest recored high temperature was 62.1 °F (16.7 °C) in 1974 and the highest recored high temperature was 97.0 °F (36.1 °C) in 1988. The high temperature is usually* between 78.1 °F (25.6 °C) and 87.8 °F (31.0 °C). About a quarter of the time, the high temperature is less than 78.1 °F (25.6 °C), and another quarter of the time, the high temperature is greater than and 87.8 °F (31.0 °C). About 95% of the time, the high temperature has been between 68.8 °F (20.4 °C) and 97.0 °F (36.1 °C).
Low Temperatures
On June 23 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 60.9 °F (16.1 °C). The lowest recored low temperature was 43.9 °F (6.6 °C) in 1982 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 2025. The low temperature is usually* between 56.2 °F (13.5 °C) and 65.6 °F (18.7 °C). About a quarter of the time, the low temperature is less than 56.2 °F (13.5 °C), and another quarter of the time, the low temperature is greater than and 65.6 °F (18.7 °C). About 95% of the time, the low temperature has been between 47.3 °F (8.5 °C) and 74.5 °F (23.6 °C).
Frost
On June 23 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations: