- Weather Bureau Army Navy (WBAN): 94846
- Country: US
- State: IL
- Latitude: 41.96
- Longitude: -87.932
An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.
High Temperatures
On May 17 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 72.6 °F (22.6 °C). The lowest recored high temperature was 46.9 °F (8.3 °C) in 2002 and the highest recored high temperature was 92.3 °F (33.5 °C) in 1962. The high temperature is usually* between 65.7 °F (18.7 °C) and 79.5 °F (26.4 °C). About a quarter of the time, the high temperature is less than 65.7 °F (18.7 °C), and another quarter of the time, the high temperature is greater than and 79.5 °F (26.4 °C). About 95% of the time, the high temperature has been between 52.6 °F (11.5 °C) and 92.6 °F (33.7 °C).
Low Temperatures
On May 17 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 48.7 °F (9.3 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 1983 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1962. The low temperature is usually* between 43.5 °F (6.4 °C) and 54.0 °F (12.2 °C). About a quarter of the time, the low temperature is less than 43.5 °F (6.4 °C), and another quarter of the time, the low temperature is greater than and 54.0 °F (12.2 °C). About 95% of the time, the low temperature has been between 33.5 °F (0.8 °C) and 64.0 °F (17.8 °C).
Frost
On May 17 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 1.6% 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:
- CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 — from year 1947 to 2025
-
— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972