Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 26 in CHICAGO the average high temperature is 38.7 °F (3.7 °C). The lowest recored high temperature was 15.6 °F (-9.1 °C) in 2014 and the highest recored high temperature was 66.2 °F (19.0 °C) in 2024. The high temperature is usually* between 30.5 °F (-0.8 °C) and 46.9 °F (8.3 °C). About a quarter of the time, the high temperature is less than 30.5 °F (-0.8 °C), and another quarter of the time, the high temperature is greater than and 46.9 °F (8.3 °C). About 95% of the time, the high temperature has been between 14.9 °F (-9.5 °C) and 62.5 °F (16.9 °C).
Low Temperatures
On February 26 in CHICAGO the average low temperature is 27.5 °F (-2.5 °C). The lowest recored low temperature was 1.9 °F (-16.7 °C) in 2014 and the lowest recored low temperature was 39.7 °F (4.3 °C) in 2024. The low temperature is usually* between 21.1 °F (-6.1 °C) and 34.0 °F (1.1 °C). About a quarter of the time, the low temperature is less than 21.1 °F (-6.1 °C), and another quarter of the time, the low temperature is greater than and 34.0 °F (1.1 °C). About 95% of the time, the low temperature has been between 8.8 °F (-12.9 °C) and 46.3 °F (8.0 °C).
Frost
On February 26 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 67.9% 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