March 15 - Chicago - Weather History and Averages

High Temperatures

On March 15 in Chicago, IL (Illinois), USA the average high temperature is 46.8 °F (8.2 °C). The lowest recored high temperature was 25.0 °F (-3.9 °C) in 1997 and the highest recored high temperature was 82.4 °F (28.0 °C) in 2012. The high temperature is usually* between 38.9 °F (3.8 °C) and 54.7 °F (12.6 °C). About a quarter of the time, the high temperature is less than 38.9 °F (3.8 °C), and another quarter of the time, the high temperature is greater than and 54.7 °F (12.6 °C). About 95% of the time, the high temperature has been between 23.8 °F (-4.5 °C) and 69.8 °F (21.0 °C).

Low Temperatures

On March 15 in Chicago, IL (Illinois), USA the average low temperature is 31.0 °F (-0.6 °C). The lowest recored low temperature was 7.0 °F (-13.9 °C) in 1993 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2012. The low temperature is usually* between 25.3 °F (-3.7 °C) and 36.7 °F (2.6 °C). About a quarter of the time, the low temperature is less than 25.3 °F (-3.7 °C), and another quarter of the time, the low temperature is greater than and 36.7 °F (2.6 °C). About 95% of the time, the low temperature has been between 14.4 °F (-9.8 °C) and 47.6 °F (8.7 °C).

Frost

On March 15 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 54.7% 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: