August 1 - Chicago - Weather History and Averages

High Temperatures

On August 1 in Chicago, IL (Illinois), USA the average high temperature is 83.3 °F (28.5 °C). The lowest recored high temperature was 69.1 °F (20.6 °C) in 1965 and the highest recored high temperature was 102.0 °F (38.9 °C) in 1988. The high temperature is usually* between 79.2 °F (26.2 °C) and 87.5 °F (30.8 °C). About a quarter of the time, the high temperature is less than 79.2 °F (26.2 °C), and another quarter of the time, the high temperature is greater than and 87.5 °F (30.8 °C). About 95% of the time, the high temperature has been between 71.3 °F (21.8 °C) and 95.4 °F (35.2 °C).

Low Temperatures

On August 1 in Chicago, IL (Illinois), USA the average low temperature is 66.5 °F (19.2 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 1990 and the lowest recored low temperature was 81.0 °F (27.2 °C) in 1988. The low temperature is usually* between 62.8 °F (17.1 °C) and 70.2 °F (21.2 °C). About a quarter of the time, the low temperature is less than 62.8 °F (17.1 °C), and another quarter of the time, the low temperature is greater than and 70.2 °F (21.2 °C). About 95% of the time, the low temperature has been between 55.7 °F (13.2 °C) and 77.3 °F (25.2 °C).

Frost

On August 1 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: