Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 14 in CHICAGO the average high temperature is 32.4 °F (0.2 °C). The lowest recored high temperature was 7.2 °F (-13.8 °C) in 2021 and the highest recored high temperature was 49.8 °F (9.9 °C) in 2023. The high temperature is usually* between 25.0 °F (-3.9 °C) and 39.8 °F (4.3 °C). About a quarter of the time, the high temperature is less than 25.0 °F (-3.9 °C), and another quarter of the time, the high temperature is greater than and 39.8 °F (4.3 °C). About 95% of the time, the high temperature has been between 11.0 °F (-11.7 °C) and 53.8 °F (12.1 °C).
Low Temperatures
On February 14 in CHICAGO the average low temperature is 20.9 °F (-6.1 °C). The lowest recored low temperature was -1.5 °F (-18.6 °C) in 2021 and the lowest recored low temperature was 37.0 °F (2.8 °C) in 2023. The low temperature is usually* between 13.5 °F (-10.3 °C) and 28.4 °F (-2.0 °C). About a quarter of the time, the low temperature is less than 13.5 °F (-10.3 °C), and another quarter of the time, the low temperature is greater than and 28.4 °F (-2.0 °C). About 95% of the time, the low temperature has been between -0.7 °F (-18.2 °C) and 42.6 °F (5.9 °C).
Frost
On February 14 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 84.2% 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