- 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 May 11 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 69.9 °F (21.1 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1981 and the highest recored high temperature was 90.0 °F (32.2 °C) in 2022. The high temperature is usually* between 62.4 °F (16.9 °C) and 77.4 °F (25.2 °C). About a quarter of the time, the high temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 77.4 °F (25.2 °C). About 95% of the time, the high temperature has been between 48.2 °F (9.0 °C) and 91.6 °F (33.1 °C).
Low Temperatures
On May 11 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 46.0 °F (7.8 °C). The lowest recored low temperature was 28.0 °F (-2.2 °C) in 1983 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 2022. The low temperature is usually* between 40.7 °F (4.8 °C) and 51.4 °F (10.8 °C). About a quarter of the time, the low temperature is less than 40.7 °F (4.8 °C), and another quarter of the time, the low temperature is greater than and 51.4 °F (10.8 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 61.6 °F (16.5 °C).
Frost
On May 11 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 3.9% 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: