- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On October 15 in CALUMET (CGS) the average high temperature is 72.5 °F (22.5 °C). The lowest recored high temperature was 70.0 °F (21.1 °C) in 1987 and the highest recored high temperature was 81.0 °F (27.2 °C) in 1989. The high temperature is usually* between 66.7 °F (19.3 °C) and 78.2 °F (25.7 °C). About a quarter of the time, the high temperature is less than 66.7 °F (19.3 °C), and another quarter of the time, the high temperature is greater than and 78.2 °F (25.7 °C). About 95% of the time, the high temperature has been between 55.7 °F (13.1 °C) and 89.2 °F (31.8 °C).
Low Temperatures
On October 15 in CALUMET (CGS) the average low temperature is 54.8 °F (12.7 °C). The lowest recored low temperature was 54.0 °F (12.2 °C) in 1987 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1989. The low temperature is usually* between 50.0 °F (10.0 °C) and 59.6 °F (15.3 °C). About a quarter of the time, the low temperature is less than 50.0 °F (10.0 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.3 °C). About 95% of the time, the low temperature has been between 40.8 °F (4.9 °C) and 68.8 °F (20.4 °C).
Frost
On October 15 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.1% 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:
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989