- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On average, the day in October with the warmest high temperature in custom location is October 1 at an average of 71.4 °F (21.9 °C).
On average, the day in October with the coldest high temperature in custom location is October 28 at an average of 58.7 °F (14.8 °C).
Records
The warmest recorded high temperature in October in custom location was 93.0 °F (33.9 °C) on October 6 in the year 1963 at CHICAGO MIDWAY AP — Weather Bureau Army Navy (WBAN): 14819 .
The coldest recorded high temperature in October in custom location was 37.0 °F (2.8 °C) on October 31 in the year 2023 at 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 .
Low Temperatures
On average, the day in October with the warmest low temperature in custom location is October 1 at an average of 51.9 °F (11.0 °C).
On average, the day in October with the coldest low temperature in custom location is October 29 at an average of 41.9 °F (5.5 °C).
Records
The warmest recorded low temperature in custom location was 72.0 °F (22.2 °C) on October 1 in the year 2019 at CHICAGO MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 .
The coldest recorded low temperature in custom location was 16.9 °F (-8.4 °C) on October 24 in the year 1981 at CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: