- 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 July 27 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 85.1 °F (29.5 °C). The lowest recored high temperature was 70.0 °F (21.1 °C) in 2013 and the highest recored high temperature was 100.2 °F (37.9 °C) in 1955. The high temperature is usually* between 81.2 °F (27.4 °C) and 89.0 °F (31.7 °C). About a quarter of the time, the high temperature is less than 81.2 °F (27.4 °C), and another quarter of the time, the high temperature is greater than and 89.0 °F (31.7 °C). About 95% of the time, the high temperature has been between 73.8 °F (23.2 °C) and 96.4 °F (35.8 °C).
Low Temperatures
On July 27 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 65.0 °F (18.3 °C). The lowest recored low temperature was 51.1 °F (10.6 °C) in 1962 and the lowest recored low temperature was 76.3 °F (24.6 °C) in 1955. The low temperature is usually* between 61.2 °F (16.2 °C) and 68.9 °F (20.5 °C). About a quarter of the time, the low temperature is less than 61.2 °F (16.2 °C), and another quarter of the time, the low temperature is greater than and 68.9 °F (20.5 °C). About 95% of the time, the low temperature has been between 53.8 °F (12.1 °C) and 76.3 °F (24.6 °C).
Frost
On July 27 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
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972