- 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 July 11 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 85.1 °F (29.5 °C). The lowest recored high temperature was 69.3 °F (20.7 °C) in 1951 and the highest recored high temperature was 99.0 °F (37.2 °C) in 1984. The high temperature is usually* between 81.1 °F (27.3 °C) and 89.0 °F (31.7 °C). About a quarter of the time, the high temperature is less than 81.1 °F (27.3 °C), and another quarter of the time, the high temperature is greater than and 89.0 °F (31.7 °C). About 95% of the time, the high temperature has been between 73.6 °F (23.1 °C) and 96.5 °F (35.8 °C).
Low Temperatures
On July 11 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 62.9 °F (17.2 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 1968 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 1976. The low temperature is usually* between 59.0 °F (15.0 °C) and 66.7 °F (19.3 °C). About a quarter of the time, the low temperature is less than 59.0 °F (15.0 °C), and another quarter of the time, the low temperature is greater than and 66.7 °F (19.3 °C). About 95% of the time, the low temperature has been between 51.7 °F (10.9 °C) and 74.1 °F (23.4 °C).
Frost
On July 11 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: