Chicago - Recent October Temperatures, Rain & Snow





The numbers here describe what the October weather in Chicago, Illinois was like for every year since 2010. A series of tables gives October data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each October. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Chicago had wet or snowy weather.

The climate data come from weather measurements made at Chicago's Midway Airport.

Temperature Weather iconTemperature

October temperature averages by year in Chicago
High °F Low °F Year High °C Low °C
61 45 2018 16 7
66 51 2017 19 11
67 51 2016 19 11
65 49 2015 18 9
63 47 2014 17 8
63 46 2013 17 8
61 44 2012 16 7
65 46 2011 18 8
67 47 2010 19 8
Number of days in October when the temperature in Chicago dropped to 32 or below, or rose to at least 70 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
2 2018 7
0 2017 15
0 2016 13
0 2015 8
0 2014 5
4 2013 10
0 2012 7
0 2011 11
0 2010 13

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Chicago during October in each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.01 inches (0.3 millimeters) or more.

Total precipitation for October in Chicago
Days Year Inches Milli­metres
17 2018 5.9 149
13 2017 10.7 272
7 2016 4.6 116
7 2015 1.8 45
12 2014 4.0 103
11 2013 5.7 145
12 2012 3.2 81
10 2011 2.2 57
6 2010 2.2 56

Snowy Weather iconSnow

Amount of snowfall in Chicago for October and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2018 0.0 0
0 2017 0.0 0
0 2016 0.0 0
0 2015 0.0 0
0 2014 0.1 0
0 2013 0.0 0
0 2012 0.0 0
0 2011 0.0 0
0 2010 0.0 0
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Chicago - Recent Years
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