- Latitude: 41.914
- Longitude: -88.246
High Temperatures
On average, the day in October with the warmest high temperature in custom location is October 1 at an average of 71.7 °F (22.0 °C).
On average, the day in October with the coldest high temperature in custom location is October 28 at an average of 58.5 °F (14.7 °C).
Records
The warmest recorded high temperature in October in custom location was 91.4 °F (33.0 °C) on October 6 in the year 1963 at CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 .
The coldest recorded high temperature in October in custom location was 35.1 °F (1.7 °C) on October 31 in the year 2023 at DUPAGE AIRPORT — Integrated Surface Dataset (ISD) station ID: 725305 — Weather Bureau Army Navy (WBAN): 94892 .
Low Temperatures
On average, the day in October with the warmest low temperature in custom location is October 3 at an average of 48.5 °F (9.2 °C).
On average, the day in October with the coldest low temperature in custom location is October 28 at an average of 39.0 °F (3.9 °C).
Records
The warmest recorded low temperature in custom location was 72.9 °F (22.7 °C) on October 2 in the year 1992 at AURORA MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 744655 .
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: