Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On July 19 in CHICAGO the average high temperature is 81.1 °F (27.3 °C). The lowest recored high temperature was 64.6 °F (18.1 °C) in 2009 and the highest recored high temperature was 92.3 °F (33.5 °C) in 2019. The high temperature is usually* between 75.9 °F (24.4 °C) and 86.4 °F (30.2 °C). About a quarter of the time, the high temperature is less than 75.9 °F (24.4 °C), and another quarter of the time, the high temperature is greater than and 86.4 °F (30.2 °C). About 95% of the time, the high temperature has been between 65.8 °F (18.8 °C) and 96.4 °F (35.8 °C).
Low Temperatures
On July 19 in CHICAGO the average low temperature is 71.2 °F (21.8 °C). The lowest recored low temperature was 62.2 °F (16.8 °C) in 2009 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2013. The low temperature is usually* between 68.0 °F (20.0 °C) and 74.3 °F (23.5 °C). About a quarter of the time, the low temperature is less than 68.0 °F (20.0 °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 62.1 °F (16.7 °C) and 80.2 °F (26.8 °C).
Frost
On July 19 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