- 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 March 4 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 41.9 °F (5.5 °C). The lowest recored high temperature was 19.4 °F (-7.0 °C) in 1960 and the highest recored high temperature was 73.0 °F (22.8 °C) in 2024. The high temperature is usually* between 34.2 °F (1.2 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the high temperature is less than 34.2 °F (1.2 °C), and another quarter of the time, the high temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the high temperature has been between 19.5 °F (-6.9 °C) and 64.3 °F (17.9 °C).
Low Temperatures
On March 4 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 24.1 °F (-4.4 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 2002 and the lowest recored low temperature was 53.1 °F (11.7 °C) in 1983. The low temperature is usually* between 17.0 °F (-8.3 °C) and 31.2 °F (-0.4 °C). About a quarter of the time, the low temperature is less than 17.0 °F (-8.3 °C), and another quarter of the time, the low temperature is greater than and 31.2 °F (-0.4 °C). About 95% of the time, the low temperature has been between 3.4 °F (-15.9 °C) and 44.8 °F (7.1 °C).
Frost
On March 4 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 77.3% 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