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

High Temperatures

On April 27 in Chicago, IL (Illinois), USA the average high temperature is 62.5 °F (16.9 °C). The lowest recored high temperature was 39.2 °F (4.0 °C) in 2022 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1986. The high temperature is usually* between 54.3 °F (12.4 °C) and 70.6 °F (21.4 °C). About a quarter of the time, the high temperature is less than 54.3 °F (12.4 °C), and another quarter of the time, the high temperature is greater than and 70.6 °F (21.4 °C). About 95% of the time, the high temperature has been between 38.9 °F (3.8 °C) and 86.0 °F (30.0 °C).

Low Temperatures

On April 27 in Chicago, IL (Illinois), USA the average low temperature is 43.9 °F (6.6 °C). The lowest recored low temperature was 28.0 °F (-2.2 °C) in 1946 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 1990. The low temperature is usually* between 38.5 °F (3.6 °C) and 49.4 °F (9.7 °C). About a quarter of the time, the low temperature is less than 38.5 °F (3.6 °C), and another quarter of the time, the low temperature is greater than and 49.4 °F (9.7 °C). About 95% of the time, the low temperature has been between 28.0 °F (-2.2 °C) and 59.9 °F (15.5 °C).

Frost

On April 27 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 7.1% 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: