- 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 April 9 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 56.7 °F (13.7 °C). The lowest recored high temperature was 34.3 °F (1.3 °C) in 1950 and the highest recored high temperature was 77.0 °F (25.0 °C) in 2001. The high temperature is usually* between 48.7 °F (9.3 °C) and 64.6 °F (18.1 °C). About a quarter of the time, the high temperature is less than 48.7 °F (9.3 °C), and another quarter of the time, the high temperature is greater than and 64.6 °F (18.1 °C). About 95% of the time, the high temperature has been between 33.6 °F (0.9 °C) and 79.8 °F (26.5 °C).
Low Temperatures
On April 9 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 34.8 °F (1.5 °C). The lowest recored low temperature was 21.0 °F (-6.1 °C) in 2018 and the lowest recored low temperature was 57.0 °F (13.9 °C) in 2017. The low temperature is usually* between 29.2 °F (-1.6 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the low temperature is less than 29.2 °F (-1.6 °C), and another quarter of the time, the low temperature is greater than and 40.3 °F (4.6 °C). About 95% of the time, the low temperature has been between 18.6 °F (-7.4 °C) and 50.9 °F (10.5 °C).
Frost
On April 9 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 36.9% 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: