- 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 October 15 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 66.3 °F (19.1 °C). The lowest recored high temperature was 48.0 °F (8.9 °C) in 2009 and the highest recored high temperature was 87.4 °F (30.8 °C) in 1962. The high temperature is usually* between 60.1 °F (15.6 °C) and 72.6 °F (22.5 °C). About a quarter of the time, the high temperature is less than 60.1 °F (15.6 °C), and another quarter of the time, the high temperature is greater than and 72.6 °F (22.5 °C). About 95% of the time, the high temperature has been between 48.1 °F (9.0 °C) and 84.5 °F (29.2 °C).
Low Temperatures
On October 15 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 44.4 °F (6.9 °C). The lowest recored low temperature was 30.2 °F (-1.0 °C) in 2002 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1968. The low temperature is usually* between 38.6 °F (3.7 °C) and 50.2 °F (10.1 °C). About a quarter of the time, the low temperature is less than 38.6 °F (3.7 °C), and another quarter of the time, the low temperature is greater than and 50.2 °F (10.1 °C). About 95% of the time, the low temperature has been between 27.6 °F (-2.4 °C) and 61.2 °F (16.2 °C).
Frost
On October 15 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 7.4% 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: