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Typical weather in Chicago, IL (Illinois), USA on October 26

High Temperatures

On October 26 in Chicago, IL (Illinois), USA the average high temperature is 58.9 °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 52.3 °F (11.3 °C) and 65.5 °F (18.6 °C). About a quarter of the time, the high temperature is less than 52.3 °F (11.3 °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 39.8 °F (4.4 °C) and 78.0 °F (25.6 °C).

Low Temperatures

On October 26 in Chicago, IL (Illinois), USA the average low temperature is 43.1 °F (6.2 °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 37.3 °F (2.9 °C) and 48.9 °F (9.4 °C). About a quarter of the time, the low temperature is less than 37.3 °F (2.9 °C), and another quarter of the time, the low temperature is greater than and 48.9 °F (9.4 °C). About 95% of the time, the low temperature has been between 26.3 °F (-3.2 °C) and 59.9 °F (15.5 °C).

Frost

On October 26 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 9.8% 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: