Station information
- Integrated Surface Dataset (ISD) station ID: 725344
- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On July 21 in CHICAGO / CALUMET COAST GUARD the average high temperature is 83.4 °F (28.6 °C). The lowest recored high temperature was 77.0 °F (25.0 °C) in 1995 and the highest recored high temperature was 91.9 °F (33.3 °C) in 1994. The high temperature is usually* between 79.8 °F (26.6 °C) and 87.0 °F (30.6 °C). About a quarter of the time, the high temperature is less than 79.8 °F (26.6 °C), and another quarter of the time, the high temperature is greater than and 87.0 °F (30.6 °C). About 95% of the time, the high temperature has been between 73.0 °F (22.8 °C) and 93.8 °F (34.3 °C).
Low Temperatures
On July 21 in CHICAGO / CALUMET COAST GUARD the average low temperature is 68.7 °F (20.4 °C). The lowest recored low temperature was 66.9 °F (19.4 °C) in 1995 and the lowest recored low temperature was 68.9 °F (20.5 °C) in 1994. The low temperature is usually* between 66.8 °F (19.4 °C) and 70.6 °F (21.5 °C). About a quarter of the time, the low temperature is less than 66.8 °F (19.4 °C), and another quarter of the time, the low temperature is greater than and 70.6 °F (21.5 °C). About 95% of the time, the low temperature has been between 63.2 °F (17.4 °C) and 74.2 °F (23.5 °C).
Frost
On July 21 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