Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On August 2 in CHICAGO the average high temperature is 79.7 °F (26.5 °C). The lowest recored high temperature was 72.0 °F (22.2 °C) in 2021 and the highest recored high temperature was 87.8 °F (31.0 °C) in 2011. The high temperature is usually* between 76.4 °F (24.7 °C) and 83.1 °F (28.4 °C). About a quarter of the time, the high temperature is less than 76.4 °F (24.7 °C), and another quarter of the time, the high temperature is greater than and 83.1 °F (28.4 °C). About 95% of the time, the high temperature has been between 70.1 °F (21.2 °C) and 89.4 °F (31.9 °C).
Low Temperatures
On August 2 in CHICAGO the average low temperature is 71.6 °F (22.0 °C). The lowest recored low temperature was 60.8 °F (16.0 °C) in 2009 and the lowest recored low temperature was 79.2 °F (26.2 °C) in 2011. The low temperature is usually* between 68.9 °F (20.5 °C) and 74.3 °F (23.5 °C). About a quarter of the time, the low temperature is less than 68.9 °F (20.5 °C), and another quarter of the time, the low temperature is greater than and 74.3 °F (23.5 °C). About 95% of the time, the low temperature has been between 63.8 °F (17.7 °C) and 79.4 °F (26.3 °C).
Frost
On August 2 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