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Typical weather in Chicago, IL (Illinois), USA on October 19

High Temperatures

On October 19 in Chicago, IL (Illinois), USA the average high temperature is 62.1 °F (16.7 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 1972 and the highest recored high temperature was 84.4 °F (29.1 °C) in 1953. The high temperature is usually* between 55.5 °F (13.1 °C) and 68.6 °F (20.3 °C). About a quarter of the time, the high temperature is less than 55.5 °F (13.1 °C), and another quarter of the time, the high temperature is greater than and 68.6 °F (20.3 °C). About 95% of the time, the high temperature has been between 43.1 °F (6.1 °C) and 81.1 °F (27.3 °C).

Low Temperatures

On October 19 in Chicago, IL (Illinois), USA the average low temperature is 44.4 °F (6.9 °C). The lowest recored low temperature was 21.0 °F (-6.1 °C) in 1992 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1979. The low temperature is usually* between 38.6 °F (3.7 °C) and 50.2 °F (10.1 °C). About a quarter of the time, the low temperature is less than 38.6 °F (3.7 °C), and another quarter of the time, the low temperature is greater than and 50.2 °F (10.1 °C). About 95% of the time, the low temperature has been between 27.6 °F (-2.4 °C) and 61.2 °F (16.2 °C).

Frost

On October 19 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 7.4% 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: