- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On April 23 in CHICAGO the average high temperature is 55.8 °F (13.2 °C). The lowest recored high temperature was 40.8 °F (4.9 °C) in 2014 and the highest recored high temperature was 78.6 °F (25.9 °C) in 2022. The high temperature is usually* between 48.1 °F (8.9 °C) and 63.5 °F (17.5 °C). About a quarter of the time, the high temperature is less than 48.1 °F (8.9 °C), and another quarter of the time, the high temperature is greater than and 63.5 °F (17.5 °C). About 95% of the time, the high temperature has been between 33.4 °F (0.8 °C) and 78.2 °F (25.6 °C).
Low Temperatures
On April 23 in CHICAGO the average low temperature is 43.1 °F (6.2 °C). The lowest recored low temperature was 34.5 °F (1.4 °C) in 2005 and the lowest recored low temperature was 58.5 °F (14.7 °C) in 2024. The low temperature is usually* between 39.2 °F (4.0 °C) and 47.1 °F (8.4 °C). About a quarter of the time, the low temperature is less than 39.2 °F (4.0 °C), and another quarter of the time, the low temperature is greater than and 47.1 °F (8.4 °C). About 95% of the time, the low temperature has been between 31.6 °F (-0.2 °C) and 54.7 °F (12.6 °C).
Frost
On April 23 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 2.9% 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