- 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 April 17 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 63.4 °F (17.4 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 2023 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2002. The high temperature is usually* between 54.7 °F (12.6 °C) and 72.1 °F (22.3 °C). About a quarter of the time, the high temperature is less than 54.7 °F (12.6 °C), and another quarter of the time, the high temperature is greater than and 72.1 °F (22.3 °C). About 95% of the time, the high temperature has been between 38.1 °F (3.4 °C) and 88.7 °F (31.5 °C).
Low Temperatures
On April 17 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 40.1 °F (4.5 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 1980 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1976. The low temperature is usually* between 33.9 °F (1.1 °C) and 46.3 °F (8.0 °C). About a quarter of the time, the low temperature is less than 33.9 °F (1.1 °C), and another quarter of the time, the low temperature is greater than and 46.3 °F (8.0 °C). About 95% of the time, the low temperature has been between 22.1 °F (-5.5 °C) and 58.1 °F (14.5 °C).
Frost
On April 17 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 18.8% 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