- 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 27 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 40.6 °F (4.8 °C). The lowest recored high temperature was 18.0 °F (-7.8 °C) in 2014 and the highest recored high temperature was 73.0 °F (22.8 °C) in 2024. The high temperature is usually* between 33.4 °F (0.8 °C) and 47.9 °F (8.8 °C). About a quarter of the time, the high temperature is less than 33.4 °F (0.8 °C), and another quarter of the time, the high temperature is greater than and 47.9 °F (8.8 °C). About 95% of the time, the high temperature has been between 19.5 °F (-6.9 °C) and 61.7 °F (16.5 °C).
Low Temperatures
On February 27 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 22.7 °F (-5.2 °C). The lowest recored low temperature was -5.1 °F (-20.6 °C) in 1994 and the lowest recored low temperature was 55.0 °F (12.8 °C) in 2024. The low temperature is usually* between 15.1 °F (-9.4 °C) and 30.2 °F (-1.0 °C). About a quarter of the time, the low temperature is less than 15.1 °F (-9.4 °C), and another quarter of the time, the low temperature is greater than and 30.2 °F (-1.0 °C). About 95% of the time, the low temperature has been between 0.8 °F (-17.3 °C) and 44.5 °F (7.0 °C).
Frost
On February 27 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 79.9% 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: