- 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 9 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 80.0 °F (26.7 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1972 and the highest recored high temperature was 95.0 °F (35.0 °C) in 1983. The high temperature is usually* between 74.8 °F (23.8 °C) and 85.2 °F (29.5 °C). About a quarter of the time, the high temperature is less than 74.8 °F (23.8 °C), and another quarter of the time, the high temperature is greater than and 85.2 °F (29.5 °C). About 95% of the time, the high temperature has been between 65.0 °F (18.3 °C) and 95.0 °F (35.0 °C).
Low Temperatures
On September 9 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 57.8 °F (14.3 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 1986 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1977. The low temperature is usually* between 53.0 °F (11.7 °C) and 62.5 °F (17.0 °C). About a quarter of the time, the low temperature is less than 53.0 °F (11.7 °C), and another quarter of the time, the low temperature is greater than and 62.5 °F (17.0 °C). About 95% of the time, the low temperature has been between 43.9 °F (6.6 °C) and 71.6 °F (22.0 °C).
Frost
On September 9 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 1948 to 2024
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972