- 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 7 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 69.4 °F (20.8 °C). The lowest recored high temperature was 47.3 °F (8.5 °C) in 1947 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2023. The high temperature is usually* between 62.3 °F (16.8 °C) and 76.4 °F (24.7 °C). About a quarter of the time, the high temperature is less than 62.3 °F (16.8 °C), and another quarter of the time, the high temperature is greater than and 76.4 °F (24.7 °C). About 95% of the time, the high temperature has been between 48.9 °F (9.4 °C) and 89.9 °F (32.1 °C).
Low Temperatures
On May 7 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 45.3 °F (7.4 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 1989 and the lowest recored low temperature was 64.0 °F (17.8 °C) in 1965. The low temperature is usually* between 39.5 °F (4.2 °C) and 51.0 °F (10.5 °C). About a quarter of the time, the low temperature is less than 39.5 °F (4.2 °C), and another quarter of the time, the low temperature is greater than and 51.0 °F (10.5 °C). About 95% of the time, the low temperature has been between 28.7 °F (-1.9 °C) and 61.8 °F (16.6 °C).
Frost
On May 7 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 5.9% 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: