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Typical weather in Chicago, IL (Illinois), USA on May 27

High Temperatures

On May 27 in Chicago, IL (Illinois), USA the average high temperature is 72.3 °F (22.4 °C). The lowest recored high temperature was 45.3 °F (7.4 °C) in 2011 and the highest recored high temperature was 97.0 °F (36.1 °C) in 2018. The high temperature is usually* between 65.3 °F (18.5 °C) and 79.3 °F (26.3 °C). About a quarter of the time, the high temperature is less than 65.3 °F (18.5 °C), and another quarter of the time, the high temperature is greater than and 79.3 °F (26.3 °C). About 95% of the time, the high temperature has been between 52.0 °F (11.1 °C) and 92.6 °F (33.7 °C).

Low Temperatures

On May 27 in Chicago, IL (Illinois), USA the average low temperature is 54.0 °F (12.2 °C). The lowest recored low temperature was 33.1 °F (0.6 °C) in 1992 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 2008. The low temperature is usually* between 48.5 °F (9.2 °C) and 59.6 °F (15.3 °C). About a quarter of the time, the low temperature is less than 48.5 °F (9.2 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.3 °C). About 95% of the time, the low temperature has been between 38.0 °F (3.3 °C) and 70.1 °F (21.2 °C).

Frost

On May 27 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 0.4% 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: