- 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 December 20 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 35.2 °F (1.8 °C). The lowest recored high temperature was 6.4 °F (-14.2 °C) in 1963 and the highest recored high temperature was 58.3 °F (14.6 °C) in 1949. The high temperature is usually* between 28.1 °F (-2.2 °C) and 42.4 °F (5.8 °C). About a quarter of the time, the high temperature is less than 28.1 °F (-2.2 °C), and another quarter of the time, the high temperature is greater than and 42.4 °F (5.8 °C). About 95% of the time, the high temperature has been between 14.4 °F (-9.8 °C) and 56.1 °F (13.4 °C).
Low Temperatures
On December 20 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 19.7 °F (-6.9 °C). The lowest recored low temperature was -15.7 °F (-26.5 °C) in 1963 and the lowest recored low temperature was 40.3 °F (4.6 °C) in 1949. The low temperature is usually* between 11.0 °F (-11.7 °C) and 28.3 °F (-2.0 °C). About a quarter of the time, the low temperature is less than 11.0 °F (-11.7 °C), and another quarter of the time, the low temperature is greater than and 28.3 °F (-2.0 °C). About 95% of the time, the low temperature has been between -5.4 °F (-20.8 °C) and 44.8 °F (7.1 °C).
Frost
On December 20 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 83.2% 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 1946 to 2024
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972