Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 4 in CHICAGO the average high temperature is 30.7 °F (-0.7 °C). The lowest recored high temperature was 1.9 °F (-16.7 °C) in 2007 and the highest recored high temperature was 51.6 °F (10.9 °C) in 2019. The high temperature is usually* between 24.0 °F (-4.4 °C) and 37.4 °F (3.0 °C). About a quarter of the time, the high temperature is less than 24.0 °F (-4.4 °C), and another quarter of the time, the high temperature is greater than and 37.4 °F (3.0 °C). About 95% of the time, the high temperature has been between 11.3 °F (-11.5 °C) and 50.1 °F (10.1 °C).
Low Temperatures
On February 4 in CHICAGO the average low temperature is 20.7 °F (-6.3 °C). The lowest recored low temperature was -4.4 °F (-20.2 °C) in 2007 and the lowest recored low temperature was 43.5 °F (6.4 °C) in 2019. The low temperature is usually* between 12.7 °F (-10.7 °C) and 28.6 °F (-1.9 °C). About a quarter of the time, the low temperature is less than 12.7 °F (-10.7 °C), and another quarter of the time, the low temperature is greater than and 28.6 °F (-1.9 °C). About 95% of the time, the low temperature has been between -2.5 °F (-19.2 °C) and 43.8 °F (6.6 °C).
Frost
On February 4 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 83.1% 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