Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 23 in CHICAGO the average high temperature is 38.1 °F (3.4 °C). The lowest recored high temperature was 14.4 °F (-9.8 °C) in 2015 and the highest recored high temperature was 63.1 °F (17.3 °C) in 2017. The high temperature is usually* between 31.2 °F (-0.5 °C) and 45.0 °F (7.2 °C). About a quarter of the time, the high temperature is less than 31.2 °F (-0.5 °C), and another quarter of the time, the high temperature is greater than and 45.0 °F (7.2 °C). About 95% of the time, the high temperature has been between 18.0 °F (-7.8 °C) and 58.2 °F (14.6 °C).
Low Temperatures
On February 23 in CHICAGO the average low temperature is 27.6 °F (-2.4 °C). The lowest recored low temperature was 0.5 °F (-17.5 °C) in 2015 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 2024. The low temperature is usually* between 21.9 °F (-5.6 °C) and 33.4 °F (0.8 °C). About a quarter of the time, the low temperature is less than 21.9 °F (-5.6 °C), and another quarter of the time, the low temperature is greater than and 33.4 °F (0.8 °C). About 95% of the time, the low temperature has been between 10.9 °F (-11.7 °C) and 44.3 °F (6.9 °C).
Frost
On February 23 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 69.6% 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