Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On April 4 in CHICAGO the average high temperature is 51.8 °F (11.0 °C). The lowest recored high temperature was 36.9 °F (2.7 °C) in 2018 and the highest recored high temperature was 73.0 °F (22.8 °C) in 2011. The high temperature is usually* between 44.2 °F (6.8 °C) and 59.3 °F (15.2 °C). About a quarter of the time, the high temperature is less than 44.2 °F (6.8 °C), and another quarter of the time, the high temperature is greater than and 59.3 °F (15.2 °C). About 95% of the time, the high temperature has been between 29.8 °F (-1.2 °C) and 73.7 °F (23.2 °C).
Low Temperatures
On April 4 in CHICAGO the average low temperature is 39.0 °F (3.9 °C). The lowest recored low temperature was 27.5 °F (-2.5 °C) in 2018 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 2021. The low temperature is usually* between 34.9 °F (1.6 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the low temperature is less than 34.9 °F (1.6 °C), and another quarter of the time, the low temperature is greater than and 43.0 °F (6.1 °C). About 95% of the time, the low temperature has been between 27.2 °F (-2.7 °C) and 50.8 °F (10.4 °C).
Frost
On April 4 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 12.4% 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 — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025