- 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 December 31 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 34.4 °F (1.4 °C). The lowest recored high temperature was 1.9 °F (-16.7 °C) in 2017 and the highest recored high temperature was 60.1 °F (15.6 °C) in 2002. The high temperature is usually* between 27.4 °F (-2.6 °C) and 41.5 °F (5.3 °C). About a quarter of the time, the high temperature is less than 27.4 °F (-2.6 °C), and another quarter of the time, the high temperature is greater than and 41.5 °F (5.3 °C). About 95% of the time, the high temperature has been between 14.0 °F (-10.0 °C) and 54.8 °F (12.7 °C).
Low Temperatures
On December 31 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 18.7 °F (-7.4 °C). The lowest recored low temperature was -14.1 °F (-25.6 °C) in 1963 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 2006. The low temperature is usually* between 10.4 °F (-12.0 °C) and 26.9 °F (-2.8 °C). About a quarter of the time, the low temperature is less than 10.4 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 26.9 °F (-2.8 °C). About 95% of the time, the low temperature has been between -5.3 °F (-20.7 °C) and 42.6 °F (5.9 °C).
Frost
On December 31 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 86.2% 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: