Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On August 1 in CHICAGO the average high temperature is 79.2 °F (26.2 °C). The lowest recored high temperature was 72.0 °F (22.2 °C) in 2019 and the highest recored high temperature was 88.5 °F (31.4 °C) in 2011. The high temperature is usually* between 75.7 °F (24.3 °C) and 82.6 °F (28.1 °C). About a quarter of the time, the high temperature is less than 75.7 °F (24.3 °C), and another quarter of the time, the high temperature is greater than and 82.6 °F (28.1 °C). About 95% of the time, the high temperature has been between 69.2 °F (20.7 °C) and 89.2 °F (31.8 °C).
Low Temperatures
On August 1 in CHICAGO the average low temperature is 71.3 °F (21.9 °C). The lowest recored low temperature was 65.5 °F (18.6 °C) in 2013 and the lowest recored low temperature was 78.6 °F (25.9 °C) in 2011. The low temperature is usually* between 68.6 °F (20.3 °C) and 74.1 °F (23.4 °C). About a quarter of the time, the low temperature is less than 68.6 °F (20.3 °C), and another quarter of the time, the low temperature is greater than and 74.1 °F (23.4 °C). About 95% of the time, the low temperature has been between 63.4 °F (17.4 °C) and 79.3 °F (26.3 °C).
Frost
On August 1 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