- 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 September 11 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 79.2 °F (26.2 °C). The lowest recored high temperature was 64.4 °F (18.0 °C) in 1958 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2013. The high temperature is usually* between 74.1 °F (23.4 °C) and 84.4 °F (29.1 °C). About a quarter of the time, the high temperature is less than 74.1 °F (23.4 °C), and another quarter of the time, the high temperature is greater than and 84.4 °F (29.1 °C). About 95% of the time, the high temperature has been between 64.3 °F (17.9 °C) and 94.2 °F (34.5 °C).
Low Temperatures
On September 11 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 56.8 °F (13.8 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1993 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 2013. The low temperature is usually* between 51.9 °F (11.1 °C) and 61.7 °F (16.5 °C). About a quarter of the time, the low temperature is less than 51.9 °F (11.1 °C), and another quarter of the time, the low temperature is greater than and 61.7 °F (16.5 °C). About 95% of the time, the low temperature has been between 42.7 °F (5.9 °C) and 71.0 °F (21.6 °C).
Frost
On September 11 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 2024
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972