Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 9 in CHICAGO the average high temperature is 31.8 °F (-0.1 °C). The lowest recored high temperature was 12.4 °F (-10.9 °C) in 2011 and the highest recored high temperature was 55.4 °F (13.0 °C) in 2024. The high temperature is usually* between 23.7 °F (-4.6 °C) and 39.8 °F (4.4 °C). About a quarter of the time, the high temperature is less than 23.7 °F (-4.6 °C), and another quarter of the time, the high temperature is greater than and 39.8 °F (4.4 °C). About 95% of the time, the high temperature has been between 8.4 °F (-13.1 °C) and 55.2 °F (12.9 °C).
Low Temperatures
On February 9 in CHICAGO the average low temperature is 21.5 °F (-5.8 °C). The lowest recored low temperature was 6.3 °F (-14.3 °C) in 2011 and the lowest recored low temperature was 44.8 °F (7.1 °C) in 2024. The low temperature is usually* between 14.1 °F (-10.0 °C) and 28.9 °F (-1.7 °C). About a quarter of the time, the low temperature is less than 14.1 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 28.9 °F (-1.7 °C). About 95% of the time, the low temperature has been between -0.0 °F (-17.8 °C) and 43.0 °F (6.1 °C).
Frost
On February 9 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 83.0% 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 2007 to 2025