- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On August 20 in CHICAGO / CALUMET COAST GUARD the average high temperature is 81.7 °F (27.6 °C). The lowest recored high temperature was 86.9 °F (30.5 °C) in 1995 and the highest recored high temperature was 86.9 °F (30.5 °C) in 1995. The high temperature is usually* between 79.1 °F (26.2 °C) and 84.4 °F (29.1 °C). About a quarter of the time, the high temperature is less than 79.1 °F (26.2 °C), and another quarter of the time, the high temperature is greater than and 84.4 °F (29.1 °C). About 95% of the time, the high temperature has been between 74.1 °F (23.4 °C) and 89.4 °F (31.9 °C).
Low Temperatures
On August 20 in CHICAGO / CALUMET COAST GUARD the average low temperature is 69.7 °F (21.0 °C). The lowest recored low temperature was 73.9 °F (23.3 °C) in 1995 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 1995. The low temperature is usually* between 66.8 °F (19.3 °C) and 72.7 °F (22.6 °C). About a quarter of the time, the low temperature is less than 66.8 °F (19.3 °C), and another quarter of the time, the low temperature is greater than and 72.7 °F (22.6 °C). About 95% of the time, the low temperature has been between 61.1 °F (16.2 °C) and 78.3 °F (25.7 °C).
Frost
On August 20 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 1995 to 1995