- 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 31 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 32.0 °F (0.0 °C). The lowest recored high temperature was -4.0 °F (-20.0 °C) in 2019 and the highest recored high temperature was 64.0 °F (17.8 °C) in 1989. The high temperature is usually* between 23.6 °F (-4.6 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 23.6 °F (-4.6 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.7 °C). About 95% of the time, the high temperature has been between 7.7 °F (-13.5 °C) and 56.3 °F (13.5 °C).
Low Temperatures
On January 31 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 15.5 °F (-9.2 °C). The lowest recored low temperature was -22.0 °F (-30.0 °C) in 2019 and the lowest recored low temperature was 45.0 °F (7.2 °C) in 2012. The low temperature is usually* between 6.3 °F (-14.3 °C) and 24.7 °F (-4.1 °C). About a quarter of the time, the low temperature is less than 6.3 °F (-14.3 °C), and another quarter of the time, the low temperature is greater than and 24.7 °F (-4.1 °C). About 95% of the time, the low temperature has been between -11.3 °F (-24.0 °C) and 42.2 °F (5.7 °C).
Frost
On January 31 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 88.7% 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