August 30 - Chicago - Weather History and Averages

High Temperatures

On August 30 in Chicago, IL (Illinois), USA the average high temperature is 81.9 °F (27.7 °C). The lowest recored high temperature was 62.1 °F (16.7 °C) in 1965 and the highest recored high temperature was 97.0 °F (36.1 °C) in 1984. The high temperature is usually* between 77.3 °F (25.2 °C) and 86.6 °F (30.3 °C). About a quarter of the time, the high temperature is less than 77.3 °F (25.2 °C), and another quarter of the time, the high temperature is greater than and 86.6 °F (30.3 °C). About 95% of the time, the high temperature has been between 68.4 °F (20.2 °C) and 95.5 °F (35.3 °C).

Low Temperatures

On August 30 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 1986 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 1983. The low temperature is usually* between 60.7 °F (16.0 °C) and 68.8 °F (20.4 °C). About a quarter of the time, the low temperature is less than 60.7 °F (16.0 °C), and another quarter of the time, the low temperature is greater than and 68.8 °F (20.4 °C). About 95% of the time, the low temperature has been between 53.1 °F (11.7 °C) and 76.5 °F (24.7 °C).

Frost

On August 30 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: