Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On March 17 in CHICAGO the average high temperature is 47.5 °F (8.6 °C). The lowest recored high temperature was 30.7 °F (-0.7 °C) in 2007 and the highest recored high temperature was 72.9 °F (22.7 °C) in 2012. The high temperature is usually* between 38.9 °F (3.8 °C) and 56.0 °F (13.4 °C). About a quarter of the time, the high temperature is less than 38.9 °F (3.8 °C), and another quarter of the time, the high temperature is greater than and 56.0 °F (13.4 °C). About 95% of the time, the high temperature has been between 22.6 °F (-5.2 °C) and 72.4 °F (22.4 °C).
Low Temperatures
On March 17 in CHICAGO the average low temperature is 35.5 °F (1.9 °C). The lowest recored low temperature was 19.4 °F (-7.0 °C) in 2014 and the lowest recored low temperature was 54.0 °F (12.2 °C) in 2012. The low temperature is usually* between 29.8 °F (-1.2 °C) and 41.2 °F (5.1 °C). About a quarter of the time, the low temperature is less than 29.8 °F (-1.2 °C), and another quarter of the time, the low temperature is greater than and 41.2 °F (5.1 °C). About 95% of the time, the low temperature has been between 18.9 °F (-7.3 °C) and 52.1 °F (11.2 °C).
Frost
On March 17 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 34.0% 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