Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On May 25 in CHICAGO the average high temperature is 66.9 °F (19.4 °C). The lowest recored high temperature was 49.3 °F (9.6 °C) in 2013 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2016. The high temperature is usually* between 58.6 °F (14.8 °C) and 75.1 °F (23.9 °C). About a quarter of the time, the high temperature is less than 58.6 °F (14.8 °C), and another quarter of the time, the high temperature is greater than and 75.1 °F (23.9 °C). About 95% of the time, the high temperature has been between 43.0 °F (6.1 °C) and 90.8 °F (32.6 °C).
Low Temperatures
On May 25 in CHICAGO the average low temperature is 55.2 °F (12.9 °C). The lowest recored low temperature was 43.2 °F (6.2 °C) in 2011 and the lowest recored low temperature was 69.4 °F (20.8 °C) in 2021. The low temperature is usually* between 50.0 °F (10.0 °C) and 60.3 °F (15.7 °C). About a quarter of the time, the low temperature is less than 50.0 °F (10.0 °C), and another quarter of the time, the low temperature is greater than and 60.3 °F (15.7 °C). About 95% of the time, the low temperature has been between 40.2 °F (4.6 °C) and 70.1 °F (21.2 °C).
Frost
On May 25 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