February 27 - Chicago - Weather History and Averages

High Temperatures

On February 27 in Chicago, IL (Illinois), USA the average high temperature is 40.0 °F (4.4 °C). The lowest recored high temperature was 16.2 °F (-8.8 °C) in 2015 and the highest recored high temperature was 73.9 °F (23.3 °C) in 2024. The high temperature is usually* between 32.9 °F (0.5 °C) and 47.1 °F (8.4 °C). About a quarter of the time, the high temperature is less than 32.9 °F (0.5 °C), and another quarter of the time, the high temperature is greater than and 47.1 °F (8.4 °C). About 95% of the time, the high temperature has been between 19.5 °F (-6.9 °C) and 60.5 °F (15.8 °C).

Low Temperatures

On February 27 in Chicago, IL (Illinois), USA the average low temperature is 25.2 °F (-3.8 °C). The lowest recored low temperature was -5.1 °F (-20.6 °C) in 1994 and the lowest recored low temperature was 57.2 °F (14.0 °C) in 2024. The low temperature is usually* between 18.6 °F (-7.5 °C) and 31.9 °F (-0.1 °C). About a quarter of the time, the low temperature is less than 18.6 °F (-7.5 °C), and another quarter of the time, the low temperature is greater than and 31.9 °F (-0.1 °C). About 95% of the time, the low temperature has been between 5.9 °F (-14.5 °C) and 44.6 °F (7.0 °C).

Frost

On February 27 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 75.3% 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: