Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On July 13 in CHICAGO the average high temperature is 78.4 °F (25.8 °C). The lowest recored high temperature was 71.2 °F (21.8 °C) in 2011 and the highest recored high temperature was 88.2 °F (31.2 °C) in 2025. The high temperature is usually* between 74.4 °F (23.6 °C) and 82.3 °F (27.9 °C). About a quarter of the time, the high temperature is less than 74.4 °F (23.6 °C), and another quarter of the time, the high temperature is greater than and 82.3 °F (27.9 °C). About 95% of the time, the high temperature has been between 67.0 °F (19.4 °C) and 89.7 °F (32.1 °C).
Low Temperatures
On July 13 in CHICAGO the average low temperature is 69.3 °F (20.7 °C). The lowest recored low temperature was 63.3 °F (17.4 °C) in 2007 and the lowest recored low temperature was 78.4 °F (25.8 °C) in 2025. The low temperature is usually* between 66.6 °F (19.2 °C) and 72.0 °F (22.2 °C). About a quarter of the time, the low temperature is less than 66.6 °F (19.2 °C), and another quarter of the time, the low temperature is greater than and 72.0 °F (22.2 °C). About 95% of the time, the low temperature has been between 61.4 °F (16.3 °C) and 77.2 °F (25.1 °C).
Frost
On July 13 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