- 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 30 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 54.2 °F (12.4 °C). The lowest recored high temperature was 27.3 °F (-2.6 °C) in 1969 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1986. The high temperature is usually* between 46.0 °F (7.8 °C) and 62.4 °F (16.9 °C). About a quarter of the time, the high temperature is less than 46.0 °F (7.8 °C), and another quarter of the time, the high temperature is greater than and 62.4 °F (16.9 °C). About 95% of the time, the high temperature has been between 30.4 °F (-0.9 °C) and 78.0 °F (25.6 °C).
Low Temperatures
On March 30 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 33.1 °F (0.6 °C). The lowest recored low temperature was 1.9 °F (-16.7 °C) in 1964 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1998. The low temperature is usually* between 27.0 °F (-2.8 °C) and 39.2 °F (4.0 °C). About a quarter of the time, the low temperature is less than 27.0 °F (-2.8 °C), and another quarter of the time, the low temperature is greater than and 39.2 °F (4.0 °C). About 95% of the time, the low temperature has been between 15.3 °F (-9.3 °C) and 50.9 °F (10.5 °C).
Frost
On March 30 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 45.2% 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 1947 to 2025
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972