- 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 August 2 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 85.0 °F (29.5 °C). The lowest recored high temperature was 71.1 °F (21.7 °C) in 1965 and the highest recored high temperature was 100.0 °F (37.8 °C) in 1991. The high temperature is usually* between 80.8 °F (27.1 °C) and 89.2 °F (31.8 °C). About a quarter of the time, the high temperature is less than 80.8 °F (27.1 °C), and another quarter of the time, the high temperature is greater than and 89.2 °F (31.8 °C). About 95% of the time, the high temperature has been between 72.8 °F (22.7 °C) and 97.2 °F (36.2 °C).
Low Temperatures
On August 2 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 63.8 °F (17.7 °C). The lowest recored low temperature was 51.1 °F (10.6 °C) in 1990 and the lowest recored low temperature was 80.1 °F (26.7 °C) in 2006. The low temperature is usually* between 59.6 °F (15.4 °C) and 68.0 °F (20.0 °C). About a quarter of the time, the low temperature is less than 59.6 °F (15.4 °C), and another quarter of the time, the low temperature is greater than and 68.0 °F (20.0 °C). About 95% of the time, the low temperature has been between 51.7 °F (10.9 °C) and 75.9 °F (24.4 °C).
Frost
On August 2 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 0.0% 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