Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On September 29 in CHICAGO the average high temperature is 67.3 °F (19.6 °C). The lowest recored high temperature was 57.2 °F (14.0 °C) in 2022 and the highest recored high temperature was 77.7 °F (25.4 °C) in 2013. The high temperature is usually* between 62.9 °F (17.2 °C) and 71.7 °F (22.0 °C). About a quarter of the time, the high temperature is less than 62.9 °F (17.2 °C), and another quarter of the time, the high temperature is greater than and 71.7 °F (22.0 °C). About 95% of the time, the high temperature has been between 54.6 °F (12.5 °C) and 80.0 °F (26.7 °C).
Low Temperatures
On September 29 in CHICAGO the average low temperature is 58.3 °F (14.6 °C). The lowest recored low temperature was 47.1 °F (8.4 °C) in 2005 and the lowest recored low temperature was 68.2 °F (20.1 °C) in 2024. The low temperature is usually* between 54.7 °F (12.6 °C) and 61.9 °F (16.6 °C). About a quarter of the time, the low temperature is less than 54.7 °F (12.6 °C), and another quarter of the time, the low temperature is greater than and 61.9 °F (16.6 °C). About 95% of the time, the low temperature has been between 47.9 °F (8.8 °C) and 68.8 °F (20.4 °C).
Frost
On September 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 2024