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Typical weather in Chicago, IL (Illinois), USA on October 2

High Temperatures

On October 2 in Chicago, IL (Illinois), USA the average high temperature is 70.6 °F (21.4 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1974 and the highest recored high temperature was 90.0 °F (32.2 °C) in 1971. The high temperature is usually* between 64.3 °F (17.9 °C) and 76.8 °F (24.9 °C). About a quarter of the time, the high temperature is less than 64.3 °F (17.9 °C), and another quarter of the time, the high temperature is greater than and 76.8 °F (24.9 °C). About 95% of the time, the high temperature has been between 52.3 °F (11.3 °C) and 88.8 °F (31.6 °C).

Low Temperatures

On October 2 in Chicago, IL (Illinois), USA the average low temperature is 52.2 °F (11.2 °C). The lowest recored low temperature was 28.0 °F (-2.2 °C) in 1974 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1971. The low temperature is usually* between 45.9 °F (7.7 °C) and 58.4 °F (14.7 °C). About a quarter of the time, the low temperature is less than 45.9 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 58.4 °F (14.7 °C). About 95% of the time, the low temperature has been between 34.1 °F (1.2 °C) and 70.2 °F (21.2 °C).

Frost

On October 2 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 1.4% 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: