Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 19 in CHICAGO the average high temperature is 38.5 °F (3.6 °C). The lowest recored high temperature was 4.8 °F (-15.1 °C) in 2015 and the highest recored high temperature was 62.4 °F (16.9 °C) in 2016. The high temperature is usually* between 29.2 °F (-1.5 °C) and 47.7 °F (8.7 °C). About a quarter of the time, the high temperature is less than 29.2 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 47.7 °F (8.7 °C). About 95% of the time, the high temperature has been between 11.6 °F (-11.3 °C) and 65.3 °F (18.5 °C).
Low Temperatures
On February 19 in CHICAGO the average low temperature is 24.9 °F (-3.9 °C). The lowest recored low temperature was -4.5 °F (-20.3 °C) in 2015 and the lowest recored low temperature was 45.7 °F (7.6 °C) in 2017. The low temperature is usually* between 16.1 °F (-8.8 °C) and 33.7 °F (0.9 °C). About a quarter of the time, the low temperature is less than 16.1 °F (-8.8 °C), and another quarter of the time, the low temperature is greater than and 33.7 °F (0.9 °C). About 95% of the time, the low temperature has been between -0.7 °F (-18.2 °C) and 50.5 °F (10.3 °C).
Frost
On February 19 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 70.7% 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