- 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 February 28 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 41.1 °F (5.1 °C). The lowest recored high temperature was 21.0 °F (-6.1 °C) in 2015 and the highest recored high temperature was 66.9 °F (19.4 °C) in 2024. The high temperature is usually* between 33.7 °F (0.9 °C) and 48.6 °F (9.2 °C). About a quarter of the time, the high temperature is less than 33.7 °F (0.9 °C), and another quarter of the time, the high temperature is greater than and 48.6 °F (9.2 °C). About 95% of the time, the high temperature has been between 19.5 °F (-7.0 °C) and 62.8 °F (17.1 °C).
Low Temperatures
On February 28 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 23.0 °F (-5.0 °C). The lowest recored low temperature was -9.9 °F (-23.3 °C) in 2015 and the lowest recored low temperature was 46.0 °F (7.8 °C) in 2016. The low temperature is usually* between 15.8 °F (-9.0 °C) and 30.2 °F (-1.0 °C). About a quarter of the time, the low temperature is less than 15.8 °F (-9.0 °C), and another quarter of the time, the low temperature is greater than and 30.2 °F (-1.0 °C). About 95% of the time, the low temperature has been between 2.2 °F (-16.6 °C) and 43.8 °F (6.6 °C).
Frost
On February 28 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 80.1% 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