- 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 May 4 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 68.0 °F (20.0 °C). The lowest recored high temperature was 46.9 °F (8.3 °C) in 1967 and the highest recored high temperature was 90.3 °F (32.4 °C) in 1959. The high temperature is usually* between 60.8 °F (16.0 °C) and 75.2 °F (24.0 °C). About a quarter of the time, the high temperature is less than 60.8 °F (16.0 °C), and another quarter of the time, the high temperature is greater than and 75.2 °F (24.0 °C). About 95% of the time, the high temperature has been between 47.1 °F (8.4 °C) and 88.8 °F (31.6 °C).
Low Temperatures
On May 4 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 44.6 °F (7.0 °C). The lowest recored low temperature was 30.2 °F (-1.0 °C) in 2004 and the lowest recored low temperature was 66.4 °F (19.1 °C) in 1949. The low temperature is usually* between 38.8 °F (3.8 °C) and 50.4 °F (10.2 °C). About a quarter of the time, the low temperature is less than 38.8 °F (3.8 °C), and another quarter of the time, the low temperature is greater than and 50.4 °F (10.2 °C). About 95% of the time, the low temperature has been between 27.8 °F (-2.3 °C) and 61.5 °F (16.4 °C).
Frost
On May 4 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 7.1% 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: