November 21 - Chicago - Weather History and Averages

High Temperatures

On November 21 in Chicago, IL (Illinois), USA the average high temperature is 46.6 °F (8.1 °C). The lowest recored high temperature was 21.9 °F (-5.6 °C) in 1964 and the highest recored high temperature was 66.0 °F (18.9 °C) in 1982. The high temperature is usually* between 40.5 °F (4.7 °C) and 52.8 °F (11.6 °C). About a quarter of the time, the high temperature is less than 40.5 °F (4.7 °C), and another quarter of the time, the high temperature is greater than and 52.8 °F (11.6 °C). About 95% of the time, the high temperature has been between 28.7 °F (-1.8 °C) and 64.6 °F (18.1 °C).

Low Temperatures

On November 21 in Chicago, IL (Illinois), USA the average low temperature is 32.4 °F (0.2 °C). The lowest recored low temperature was 5.0 °F (-15.0 °C) in 1964 and the lowest recored low temperature was 55.0 °F (12.8 °C) in 1990. The low temperature is usually* between 26.7 °F (-2.9 °C) and 38.1 °F (3.4 °C). About a quarter of the time, the low temperature is less than 26.7 °F (-2.9 °C), and another quarter of the time, the low temperature is greater than and 38.1 °F (3.4 °C). About 95% of the time, the low temperature has been between 15.9 °F (-9.0 °C) and 49.0 °F (9.4 °C).

Frost

On November 21 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 48.0% 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: