Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 28 in CHICAGO the average high temperature is 41.4 °F (5.2 °C). The lowest recored high temperature was 19.4 °F (-7.0 °C) in 2015 and the highest recored high temperature was 63.7 °F (17.6 °C) in 2024. The high temperature is usually* between 32.4 °F (0.2 °C) and 50.3 °F (10.2 °C). About a quarter of the time, the high temperature is less than 32.4 °F (0.2 °C), and another quarter of the time, the high temperature is greater than and 50.3 °F (10.2 °C). About 95% of the time, the high temperature has been between 15.3 °F (-9.3 °C) and 67.4 °F (19.7 °C).
Low Temperatures
On February 28 in CHICAGO the average low temperature is 28.8 °F (-1.8 °C). The lowest recored low temperature was 8.2 °F (-13.2 °C) in 2014 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 2016. The low temperature is usually* between 21.5 °F (-5.8 °C) and 36.1 °F (2.3 °C). About a quarter of the time, the low temperature is less than 21.5 °F (-5.8 °C), and another quarter of the time, the low temperature is greater than and 36.1 °F (2.3 °C). About 95% of the time, the low temperature has been between 7.6 °F (-13.6 °C) and 50.1 °F (10.0 °C).
Frost
On February 28 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 61.5% 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 2007 to 2025