Station information
- Integrated Surface Dataset (ISD) station ID: 997255
- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On August 21 in 9087044 - CALUMET IL the average high temperature is 78.4 °F (25.8 °C). The lowest recored high temperature was 70.0 °F (21.1 °C) in 2024 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2013. The high temperature is usually* between 74.8 °F (23.8 °C) and 82.0 °F (27.8 °C). About a quarter of the time, the high temperature is less than 74.8 °F (23.8 °C), and another quarter of the time, the high temperature is greater than and 82.0 °F (27.8 °C). About 95% of the time, the high temperature has been between 68.0 °F (20.0 °C) and 88.8 °F (31.6 °C).
Low Temperatures
On August 21 in 9087044 - CALUMET IL the average low temperature is 66.9 °F (19.4 °C). The lowest recored low temperature was 58.5 °F (14.7 °C) in 2024 and the lowest recored low temperature was 72.3 °F (22.4 °C) in 2017. The low temperature is usually* between 64.0 °F (17.8 °C) and 69.8 °F (21.0 °C). About a quarter of the time, the low temperature is less than 64.0 °F (17.8 °C), and another quarter of the time, the low temperature is greater than and 69.8 °F (21.0 °C). About 95% of the time, the low temperature has been between 58.4 °F (14.7 °C) and 75.3 °F (24.0 °C).
Frost
On August 21 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