- 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 1 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 81.9 °F (27.7 °C). The lowest recored high temperature was 68.4 °F (20.2 °C) in 1958 and the highest recored high temperature was 99.3 °F (37.4 °C) in 1953. The high temperature is usually* between 77.1 °F (25.1 °C) and 86.6 °F (30.3 °C). About a quarter of the time, the high temperature is less than 77.1 °F (25.1 °C), and another quarter of the time, the high temperature is greater than and 86.6 °F (30.3 °C). About 95% of the time, the high temperature has been between 68.1 °F (20.1 °C) and 95.7 °F (35.4 °C).
Low Temperatures
On September 1 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 60.6 °F (15.9 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1967 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 1953. The low temperature is usually* between 55.8 °F (13.2 °C) and 65.5 °F (18.6 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 65.5 °F (18.6 °C). About 95% of the time, the low temperature has been between 46.5 °F (8.1 °C) and 74.8 °F (23.8 °C).
Frost
On September 1 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