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Typical weather in Chicago, IL (Illinois), USA on October 25

High Temperatures

On October 25 in Chicago, IL (Illinois), USA the average high temperature is 59.4 °F (15.2 °C). The lowest recored high temperature was 38.3 °F (3.5 °C) in 1962 and the highest recored high temperature was 81.0 °F (27.2 °C) in 2023. The high temperature is usually* between 52.7 °F (11.5 °C) and 66.2 °F (19.0 °C). About a quarter of the time, the high temperature is less than 52.7 °F (11.5 °C), and another quarter of the time, the high temperature is greater than and 66.2 °F (19.0 °C). About 95% of the time, the high temperature has been between 39.8 °F (4.4 °C) and 79.0 °F (26.1 °C).

Low Temperatures

On October 25 in Chicago, IL (Illinois), USA the average low temperature is 43.6 °F (6.4 °C). The lowest recored low temperature was 21.4 °F (-5.9 °C) in 1962 and the lowest recored low temperature was 67.8 °F (19.9 °C) in 2012. The low temperature is usually* between 37.5 °F (3.0 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the low temperature is less than 37.5 °F (3.0 °C), and another quarter of the time, the low temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the low temperature has been between 25.9 °F (-3.4 °C) and 61.2 °F (16.2 °C).

Frost

On October 25 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 10.0% 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: