- 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 27 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 59.5 °F (15.3 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 2020 and the highest recored high temperature was 77.0 °F (25.0 °C) in 2014. The high temperature is usually* between 53.1 °F (11.7 °C) and 65.9 °F (18.9 °C). About a quarter of the time, the high temperature is less than 53.1 °F (11.7 °C), and another quarter of the time, the high temperature is greater than and 65.9 °F (18.9 °C). About 95% of the time, the high temperature has been between 40.9 °F (4.9 °C) and 78.1 °F (25.6 °C).
Low Temperatures
On October 27 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 39.7 °F (4.3 °C). The lowest recored low temperature was 25.3 °F (-3.7 °C) in 1961 and the lowest recored low temperature was 60.1 °F (15.6 °C) in 1971. The low temperature is usually* between 34.0 °F (1.1 °C) and 45.5 °F (7.5 °C). About a quarter of the time, the low temperature is less than 34.0 °F (1.1 °C), and another quarter of the time, the low temperature is greater than and 45.5 °F (7.5 °C). About 95% of the time, the low temperature has been between 23.1 °F (-4.9 °C) and 56.4 °F (13.5 °C).
Frost
On October 27 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 18.1% 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: