- 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 February 17 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 36.9 °F (2.7 °C). The lowest recored high temperature was 4.5 °F (-15.3 °C) in 1958 and the highest recored high temperature was 66.9 °F (19.4 °C) in 2017. The high temperature is usually* between 29.9 °F (-1.2 °C) and 43.9 °F (6.6 °C). About a quarter of the time, the high temperature is less than 29.9 °F (-1.2 °C), and another quarter of the time, the high temperature is greater than and 43.9 °F (6.6 °C). About 95% of the time, the high temperature has been between 16.7 °F (-8.5 °C) and 57.1 °F (14.0 °C).
Low Temperatures
On February 17 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 19.6 °F (-6.9 °C). The lowest recored low temperature was -10.7 °F (-23.7 °C) in 1958 and the lowest recored low temperature was 39.2 °F (4.0 °C) in 1998. The low temperature is usually* between 11.7 °F (-11.3 °C) and 27.4 °F (-2.5 °C). About a quarter of the time, the low temperature is less than 11.7 °F (-11.3 °C), and another quarter of the time, the low temperature is greater than and 27.4 °F (-2.5 °C). About 95% of the time, the low temperature has been between -3.2 °F (-19.6 °C) and 42.3 °F (5.7 °C).
Frost
On February 17 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 85.8% 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: