Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On October 9 in CHICAGO the average high temperature is 65.9 °F (18.8 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 2005 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2007. The high temperature is usually* between 60.5 °F (15.8 °C) and 71.3 °F (21.8 °C). About a quarter of the time, the high temperature is less than 60.5 °F (15.8 °C), and another quarter of the time, the high temperature is greater than and 71.3 °F (21.8 °C). About 95% of the time, the high temperature has been between 50.2 °F (10.1 °C) and 81.6 °F (27.6 °C).
Low Temperatures
On October 9 in CHICAGO the average low temperature is 55.1 °F (12.9 °C). The lowest recored low temperature was 46.9 °F (8.3 °C) in 2009 and the lowest recored low temperature was 65.7 °F (18.7 °C) in 2021. The low temperature is usually* between 50.7 °F (10.4 °C) and 59.6 °F (15.3 °C). About a quarter of the time, the low temperature is less than 50.7 °F (10.4 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.3 °C). About 95% of the time, the low temperature has been between 42.2 °F (5.7 °C) and 68.1 °F (20.1 °C).
Frost
On October 9 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