Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On May 23 in CHICAGO the average high temperature is 68.9 °F (20.5 °C). The lowest recored high temperature was 53.4 °F (11.9 °C) in 2022 and the highest recored high temperature was 84.4 °F (29.1 °C) in 2007. The high temperature is usually* between 61.6 °F (16.4 °C) and 76.2 °F (24.6 °C). About a quarter of the time, the high temperature is less than 61.6 °F (16.4 °C), and another quarter of the time, the high temperature is greater than and 76.2 °F (24.6 °C). About 95% of the time, the high temperature has been between 47.7 °F (8.7 °C) and 90.2 °F (32.3 °C).
Low Temperatures
On May 23 in CHICAGO the average low temperature is 54.2 °F (12.3 °C). The lowest recored low temperature was 42.3 °F (5.7 °C) in 2013 and the lowest recored low temperature was 67.8 °F (19.9 °C) in 2024. The low temperature is usually* between 49.6 °F (9.8 °C) and 58.8 °F (14.9 °C). About a quarter of the time, the low temperature is less than 49.6 °F (9.8 °C), and another quarter of the time, the low temperature is greater than and 58.8 °F (14.9 °C). About 95% of the time, the low temperature has been between 40.9 °F (5.0 °C) and 67.5 °F (19.7 °C).
Frost
On May 23 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.1% 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 — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025