Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On June 29 in CHICAGO the average high temperature is 77.9 °F (25.5 °C). The lowest recored high temperature was 64.6 °F (18.1 °C) in 2007 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2025. The high temperature is usually* between 73.1 °F (22.8 °C) and 82.8 °F (28.2 °C). About a quarter of the time, the high temperature is less than 73.1 °F (22.8 °C), and another quarter of the time, the high temperature is greater than and 82.8 °F (28.2 °C). About 95% of the time, the high temperature has been between 63.9 °F (17.7 °C) and 92.0 °F (33.3 °C).
Low Temperatures
On June 29 in CHICAGO the average low temperature is 67.3 °F (19.6 °C). The lowest recored low temperature was 59.9 °F (15.5 °C) in 2008 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 2025. The low temperature is usually* between 63.8 °F (17.7 °C) and 70.7 °F (21.5 °C). About a quarter of the time, the low temperature is less than 63.8 °F (17.7 °C), and another quarter of the time, the low temperature is greater than and 70.7 °F (21.5 °C). About 95% of the time, the low temperature has been between 57.3 °F (14.0 °C) and 77.3 °F (25.2 °C).
Frost
On June 29 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.0% 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