Station information
- Integrated Surface Dataset (ISD) station ID: 725300
- Weather Bureau Army Navy (WBAN): 94846
- Country: US
- State: IL
- Latitude: 41.96
- Longitude: -87.932
High Temperatures
On September 28 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 71.7 °F (22.1 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1967 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1971. The high temperature is usually* between 66.0 °F (18.9 °C) and 77.4 °F (25.2 °C). About a quarter of the time, the high temperature is less than 66.0 °F (18.9 °C), and another quarter of the time, the high temperature is greater than and 77.4 °F (25.2 °C). About 95% of the time, the high temperature has been between 55.1 °F (12.8 °C) and 88.4 °F (31.3 °C).
Low Temperatures
On September 28 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 49.4 °F (9.7 °C). The lowest recored low temperature was 32.4 °F (0.2 °C) in 1964 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 1971. The low temperature is usually* between 43.9 °F (6.6 °C) and 54.9 °F (12.7 °C). About a quarter of the time, the low temperature is less than 43.9 °F (6.6 °C), and another quarter of the time, the low temperature is greater than and 54.9 °F (12.7 °C). About 95% of the time, the low temperature has been between 33.5 °F (0.8 °C) and 65.3 °F (18.5 °C).
Frost
On September 28 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 2024
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972