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Typical weather in Chicago, IL (Illinois), USA on March 20

High Temperatures

On March 20 in Chicago, IL (Illinois), USA the average high temperature is 47.7 °F (8.7 °C). The lowest recored high temperature was 21.0 °F (-6.1 °C) in 1965 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2012. The high temperature is usually* between 40.0 °F (4.5 °C) and 55.4 °F (13.0 °C). About a quarter of the time, the high temperature is less than 40.0 °F (4.5 °C), and another quarter of the time, the high temperature is greater than and 55.4 °F (13.0 °C). About 95% of the time, the high temperature has been between 25.4 °F (-3.7 °C) and 70.1 °F (21.2 °C).

Low Temperatures

On March 20 in Chicago, IL (Illinois), USA the average low temperature is 32.2 °F (0.1 °C). The lowest recored low temperature was 0.0 °F (-17.8 °C) in 1965 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2012. The low temperature is usually* between 26.3 °F (-3.2 °C) and 38.2 °F (3.4 °C). About a quarter of the time, the low temperature is less than 26.3 °F (-3.2 °C), and another quarter of the time, the low temperature is greater than and 38.2 °F (3.4 °C). About 95% of the time, the low temperature has been between 15.0 °F (-9.5 °C) and 49.5 °F (9.7 °C).

Frost

On March 20 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 49.0% 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: