Free cookie consent management tool by TermsFeed

Typical weather in Chicago, IL (Illinois), USA on August 20

High Temperatures

On August 20 in Chicago, IL (Illinois), USA the average high temperature is 81.0 °F (27.2 °C). The lowest recored high temperature was 64.0 °F (17.8 °C) in 1950 and the highest recored high temperature was 99.0 °F (37.2 °C) in 1983. The high temperature is usually* between 76.7 °F (24.8 °C) and 85.4 °F (29.7 °C). About a quarter of the time, the high temperature is less than 76.7 °F (24.8 °C), and another quarter of the time, the high temperature is greater than and 85.4 °F (29.7 °C). About 95% of the time, the high temperature has been between 68.3 °F (20.2 °C) and 93.7 °F (34.3 °C).

Low Temperatures

On August 20 in Chicago, IL (Illinois), USA the average low temperature is 64.8 °F (18.2 °C). The lowest recored low temperature was 44.1 °F (6.7 °C) in 1950 and the lowest recored low temperature was 79.3 °F (26.3 °C) in 1947. The low temperature is usually* between 60.3 °F (15.7 °C) and 69.2 °F (20.7 °C). About a quarter of the time, the low temperature is less than 60.3 °F (15.7 °C), and another quarter of the time, the low temperature is greater than and 69.2 °F (20.7 °C). About 95% of the time, the low temperature has been between 51.9 °F (11.1 °C) and 77.6 °F (25.3 °C).

Frost

On August 20 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: