Station information
- Integrated Surface Dataset (ISD) station ID: 725344
- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On September 15 in CHICAGO / CALUMET COAST GUARD the average high temperature is 83.1 °F (28.4 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1995 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1994. The high temperature is usually* between 76.8 °F (24.9 °C) and 89.3 °F (31.9 °C). About a quarter of the time, the high temperature is less than 76.8 °F (24.9 °C), and another quarter of the time, the high temperature is greater than and 89.3 °F (31.9 °C). About 95% of the time, the high temperature has been between 64.9 °F (18.3 °C) and 101.3 °F (38.5 °C).
Low Temperatures
On September 15 in CHICAGO / CALUMET COAST GUARD the average low temperature is 65.1 °F (18.4 °C). The lowest recored low temperature was 56.8 °F (13.8 °C) in 1995 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1994. The low temperature is usually* between 61.0 °F (16.1 °C) and 69.2 °F (20.7 °C). About a quarter of the time, the low temperature is less than 61.0 °F (16.1 °C), and another quarter of the time, the low temperature is greater than and 69.2 °F (20.7 °C). About 95% of the time, the low temperature has been between 53.3 °F (11.8 °C) and 77.0 °F (25.0 °C).
Frost
On September 15 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 0.0% 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 / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1995