Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 15 in CHICAGO the average high temperature is 32.9 °F (0.5 °C). The lowest recored high temperature was 12.4 °F (-10.9 °C) in 2015 and the highest recored high temperature was 53.1 °F (11.7 °C) in 2023. The high temperature is usually* between 25.4 °F (-3.7 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 25.4 °F (-3.7 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.7 °C). About 95% of the time, the high temperature has been between 11.1 °F (-11.6 °C) and 54.7 °F (12.6 °C).
Low Temperatures
On February 15 in CHICAGO the average low temperature is 22.1 °F (-5.5 °C). The lowest recored low temperature was 1.0 °F (-17.2 °C) in 2015 and the lowest recored low temperature was 39.6 °F (4.2 °C) in 2023. The low temperature is usually* between 14.5 °F (-9.7 °C) and 29.7 °F (-1.3 °C). About a quarter of the time, the low temperature is less than 14.5 °F (-9.7 °C), and another quarter of the time, the low temperature is greater than and 29.7 °F (-1.3 °C). About 95% of the time, the low temperature has been between 0.0 °F (-17.8 °C) and 44.1 °F (6.7 °C).
Frost
On February 15 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 81.1% 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