Station information
- Integrated Surface Dataset (ISD) station ID: 997255
- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On August 10 in 9087044 - CALUMET IL the average high temperature is 79.7 °F (26.5 °C). The lowest recored high temperature was 72.3 °F (22.4 °C) in 2012 and the highest recored high temperature was 88.9 °F (31.6 °C) in 2025. The high temperature is usually* between 75.8 °F (24.3 °C) and 83.6 °F (28.7 °C). About a quarter of the time, the high temperature is less than 75.8 °F (24.3 °C), and another quarter of the time, the high temperature is greater than and 83.6 °F (28.7 °C). About 95% of the time, the high temperature has been between 68.4 °F (20.2 °C) and 91.0 °F (32.8 °C).
Low Temperatures
On August 10 in 9087044 - CALUMET IL the average low temperature is 68.6 °F (20.4 °C). The lowest recored low temperature was 57.7 °F (14.3 °C) in 2024 and the lowest recored low temperature was 77.2 °F (25.1 °C) in 2025. The low temperature is usually* between 65.5 °F (18.6 °C) and 71.8 °F (22.1 °C). About a quarter of the time, the low temperature is less than 65.5 °F (18.6 °C), and another quarter of the time, the low temperature is greater than and 71.8 °F (22.1 °C). About 95% of the time, the low temperature has been between 59.4 °F (15.2 °C) and 77.9 °F (25.5 °C).
Frost
On August 10 in 9087044 - CALUMET IL 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:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2025