Chicago Weather In October

The hottest October day in Chicago for the past 47 years was 22 degrees Celsius, most recently registered on October 25, 1982, and the typical high is 17. In the last 47 years the lowest measured October temperature in Chicago was -32 registered on October 18, 1983, and the regular low is 6.

United States National Weather Service historical Chicago October weather data indicates that on October 23, 1983, the measured high temperature did not exceed -24 degrees Celsius, the lowest high measured in Chicago in the past 47 years. NWS weather data additionally shows that on October 1, 1982, the lowest recorded temperature on that day did not drop below 14 degrees, the highest low measured in Chicago in the last 47 years.

Weather Service historical data shows that the average daily high temperature in Chicago on October First is 4 degrees Celsius and the average high on the last day of October is 1 degrees. The average daily low temperature in Chicago on October First is -4 degrees Celsius and the average low on the last day of October is -8 degrees.

Chicago usually receives an average of 6.88 centimeters of rain during October. The most precipitation recorded on a single day in October, according to October Chicago Weather data, was 11.35 centimeters on October 25, 1982. Chicago receives an average of 1.02 centimeters of snow in October.On October 31, 1978 Chicago received 25.65 centimeters of rain, the greatest snowfall measured in a single day in October.