Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On April 9 in CHICAGO the average high temperature is 52.4 °F (11.3 °C). The lowest recored high temperature was 34.7 °F (1.5 °C) in 2018 and the highest recored high temperature was 72.7 °F (22.6 °C) in 2024. The high temperature is usually* between 43.8 °F (6.5 °C) and 61.1 °F (16.1 °C). About a quarter of the time, the high temperature is less than 43.8 °F (6.5 °C), and another quarter of the time, the high temperature is greater than and 61.1 °F (16.1 °C). About 95% of the time, the high temperature has been between 27.4 °F (-2.6 °C) and 77.5 °F (25.3 °C).
Low Temperatures
On April 9 in CHICAGO the average low temperature is 40.0 °F (4.4 °C). The lowest recored low temperature was 25.9 °F (-3.4 °C) in 2016 and the lowest recored low temperature was 58.6 °F (14.8 °C) in 2024. The low temperature is usually* between 35.1 °F (1.7 °C) and 44.8 °F (7.1 °C). About a quarter of the time, the low temperature is less than 35.1 °F (1.7 °C), and another quarter of the time, the low temperature is greater than and 44.8 °F (7.1 °C). About 95% of the time, the low temperature has been between 25.8 °F (-3.4 °C) and 54.1 °F (12.3 °C).
Frost
On April 9 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 13.5% 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