February 28 - Chicago - Weather History and Averages

High Temperatures

On February 28 in Chicago, IL (Illinois), USA the average high temperature is 40.5 °F (4.7 °C). The lowest recored high temperature was 19.4 °F (-7.0 °C) in 2015 and the highest recored high temperature was 75.0 °F (23.9 °C) in 1976. The high temperature is usually* between 33.3 °F (0.7 °C) and 47.7 °F (8.7 °C). About a quarter of the time, the high temperature is less than 33.3 °F (0.7 °C), and another quarter of the time, the high temperature is greater than and 47.7 °F (8.7 °C). About 95% of the time, the high temperature has been between 19.5 °F (-6.9 °C) and 61.4 °F (16.3 °C).

Low Temperatures

On February 28 in Chicago, IL (Illinois), USA the average low temperature is 25.5 °F (-3.6 °C). The lowest recored low temperature was -9.9 °F (-23.3 °C) in 2015 and the lowest recored low temperature was 47.3 °F (8.5 °C) in 2017. The low temperature is usually* between 19.1 °F (-7.2 °C) and 31.9 °F (-0.1 °C). About a quarter of the time, the low temperature is less than 19.1 °F (-7.2 °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 7.0 °F (-13.9 °C) and 44.0 °F (6.7 °C).

Frost

On February 28 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 75.5% 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: