- 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 January 1 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 34.1 °F (1.2 °C). The lowest recored high temperature was 5.4 °F (-14.8 °C) in 1969 and the highest recored high temperature was 55.9 °F (13.3 °C) in 2007. The high temperature is usually* between 27.3 °F (-2.6 °C) and 40.9 °F (5.0 °C). About a quarter of the time, the high temperature is less than 27.3 °F (-2.6 °C), and another quarter of the time, the high temperature is greater than and 40.9 °F (5.0 °C). About 95% of the time, the high temperature has been between 14.4 °F (-9.8 °C) and 53.9 °F (12.1 °C).
Low Temperatures
On January 1 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 18.7 °F (-7.4 °C). The lowest recored low temperature was -12.6 °F (-24.8 °C) in 1964 and the lowest recored low temperature was 40.3 °F (4.6 °C) in 1950. The low temperature is usually* between 10.5 °F (-12.0 °C) and 27.0 °F (-2.8 °C). About a quarter of the time, the low temperature is less than 10.5 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 27.0 °F (-2.8 °C). About 95% of the time, the low temperature has been between -5.2 °F (-20.7 °C) and 42.7 °F (5.9 °C).
Frost
On January 1 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 86.1% 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