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Typical weather in Chicago, IL (Illinois), USA on October 7

High Temperatures

On October 7 in Chicago, IL (Illinois), USA the average high temperature is 67.1 °F (19.5 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1987 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 60.8 °F (16.0 °C) and 73.5 °F (23.0 °C). About a quarter of the time, the high temperature is less than 60.8 °F (16.0 °C), and another quarter of the time, the high temperature is greater than and 73.5 °F (23.0 °C). About 95% of the time, the high temperature has been between 48.7 °F (9.3 °C) and 85.5 °F (29.7 °C).

Low Temperatures

On October 7 in Chicago, IL (Illinois), USA the average low temperature is 49.2 °F (9.6 °C). The lowest recored low temperature was 24.4 °F (-4.2 °C) in 1964 and the lowest recored low temperature was 71.8 °F (22.1 °C) in 2007. The low temperature is usually* between 43.2 °F (6.2 °C) and 55.2 °F (12.9 °C). About a quarter of the time, the low temperature is less than 43.2 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 55.2 °F (12.9 °C). About 95% of the time, the low temperature has been between 31.7 °F (-0.2 °C) and 66.7 °F (19.3 °C).

Frost

On October 7 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 2.7% 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: