- 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 August 11 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 82.8 °F (28.2 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 2004 and the highest recored high temperature was 93.4 °F (34.1 °C) in 1947. The high temperature is usually* between 78.6 °F (25.9 °C) and 87.0 °F (30.6 °C). About a quarter of the time, the high temperature is less than 78.6 °F (25.9 °C), and another quarter of the time, the high temperature is greater than and 87.0 °F (30.6 °C). About 95% of the time, the high temperature has been between 70.7 °F (21.5 °C) and 95.0 °F (35.0 °C).
Low Temperatures
On August 11 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 62.8 °F (17.1 °C). The lowest recored low temperature was 46.9 °F (8.3 °C) in 1965 and the lowest recored low temperature was 78.3 °F (25.7 °C) in 1947. The low temperature is usually* between 58.6 °F (14.8 °C) and 67.1 °F (19.5 °C). About a quarter of the time, the low temperature is less than 58.6 °F (14.8 °C), and another quarter of the time, the low temperature is greater than and 67.1 °F (19.5 °C). About 95% of the time, the low temperature has been between 50.5 °F (10.3 °C) and 75.2 °F (24.0 °C).
Frost
On August 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: