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Typical weather in Chicago, IL (Illinois), USA on August 28

High Temperatures

On August 28 in Chicago, IL (Illinois), USA the average high temperature is 82.4 °F (28.0 °C). The lowest recored high temperature was 64.0 °F (17.8 °C) in 1986 and the highest recored high temperature was 99.0 °F (37.2 °C) in 2024. The high temperature is usually* between 77.1 °F (25.1 °C) and 87.7 °F (31.0 °C). About a quarter of the time, the high temperature is less than 77.1 °F (25.1 °C), and another quarter of the time, the high temperature is greater than and 87.7 °F (31.0 °C). About 95% of the time, the high temperature has been between 67.1 °F (19.5 °C) and 97.8 °F (36.5 °C).

Low Temperatures

On August 28 in Chicago, IL (Illinois), USA the average low temperature is 65.9 °F (18.8 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1986 and the lowest recored low temperature was 79.9 °F (26.6 °C) in 1973. The low temperature is usually* between 61.3 °F (16.3 °C) and 70.4 °F (21.3 °C). About a quarter of the time, the low temperature is less than 61.3 °F (16.3 °C), and another quarter of the time, the low temperature is greater than and 70.4 °F (21.3 °C). About 95% of the time, the low temperature has been between 52.6 °F (11.5 °C) and 79.1 °F (26.2 °C).

Frost

On August 28 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: