March 9 - Chicago - Weather History and Averages

High Temperatures

On March 9 in Chicago, IL (Illinois), USA the average high temperature is 43.1 °F (6.2 °C). The lowest recored high temperature was 15.4 °F (-9.2 °C) in 2023 and the highest recored high temperature was 78.1 °F (25.6 °C) in 2000. The high temperature is usually* between 35.2 °F (1.8 °C) and 51.0 °F (10.5 °C). About a quarter of the time, the high temperature is less than 35.2 °F (1.8 °C), and another quarter of the time, the high temperature is greater than and 51.0 °F (10.5 °C). About 95% of the time, the high temperature has been between 20.2 °F (-6.6 °C) and 66.0 °F (18.9 °C).

Low Temperatures

On March 9 in Chicago, IL (Illinois), USA the average low temperature is 27.9 °F (-2.3 °C). The lowest recored low temperature was -0.9 °F (-18.3 °C) in 1982 and the lowest recored low temperature was 60.8 °F (16.0 °C) in 2016. The low temperature is usually* between 21.5 °F (-5.8 °C) and 34.2 °F (1.2 °C). About a quarter of the time, the low temperature is less than 21.5 °F (-5.8 °C), and another quarter of the time, the low temperature is greater than and 34.2 °F (1.2 °C). About 95% of the time, the low temperature has been between 9.4 °F (-12.6 °C) and 46.3 °F (8.0 °C).

Frost

On March 9 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 67.0% 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: