Station information
- Integrated Surface Dataset (ISD) station ID: 725344
- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On October 21 in CHICAGO / CALUMET COAST GUARD the average high temperature is 56.3 °F (13.5 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1995 and the highest recored high temperature was 45.0 °F (7.2 °C) in 1995. The high temperature is usually* between 48.2 °F (9.0 °C) and 64.4 °F (18.0 °C). About a quarter of the time, the high temperature is less than 48.2 °F (9.0 °C), and another quarter of the time, the high temperature is greater than and 64.4 °F (18.0 °C). About 95% of the time, the high temperature has been between 32.7 °F (0.4 °C) and 79.8 °F (26.6 °C).
Low Temperatures
On October 21 in CHICAGO / CALUMET COAST GUARD the average low temperature is 40.2 °F (4.6 °C). The lowest recored low temperature was 39.9 °F (4.4 °C) in 1995 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 1995. The low temperature is usually* between 36.5 °F (2.5 °C) and 44.0 °F (6.6 °C). About a quarter of the time, the low temperature is less than 36.5 °F (2.5 °C), and another quarter of the time, the low temperature is greater than and 44.0 °F (6.6 °C). About 95% of the time, the low temperature has been between 29.4 °F (-1.4 °C) and 51.0 °F (10.6 °C).
Frost
On October 21 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 6.7% 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 1995 to 1995