October 26 - Chicago - Weather History and Averages

High Temperatures

On October 26 in Chicago, IL (Illinois), USA the average high temperature is 59.0 °F (15.0 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1957 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1963. The high temperature is usually* between 52.5 °F (11.4 °C) and 65.5 °F (18.6 °C). About a quarter of the time, the high temperature is less than 52.5 °F (11.4 °C), and another quarter of the time, the high temperature is greater than and 65.5 °F (18.6 °C). About 95% of the time, the high temperature has been between 40.1 °F (4.5 °C) and 77.9 °F (25.5 °C).

Low Temperatures

On October 26 in Chicago, IL (Illinois), USA the average low temperature is 42.9 °F (6.1 °C). The lowest recored low temperature was 19.0 °F (-7.2 °C) in 1962 and the lowest recored low temperature was 64.0 °F (17.8 °C) in 2023. The low temperature is usually* between 37.5 °F (3.1 °C) and 48.3 °F (9.1 °C). About a quarter of the time, the low temperature is less than 37.5 °F (3.1 °C), and another quarter of the time, the low temperature is greater than and 48.3 °F (9.1 °C). About 95% of the time, the low temperature has been between 27.3 °F (-2.6 °C) and 58.5 °F (14.7 °C).

Frost

On October 26 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 8.5% 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: