- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On October 31 in this location the average high temperature is 59.0 °F (15.0 °C). The lowest recored high temperature was 37.0 °F (2.8 °C) in 2023 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1950. The high temperature is usually* between 52.4 °F (11.3 °C) and 65.6 °F (18.7 °C). About a quarter of the time, the high temperature is less than 52.4 °F (11.3 °C), and another quarter of the time, the high temperature is greater than and 65.6 °F (18.7 °C). About 95% of the time, the high temperature has been between 39.8 °F (4.3 °C) and 78.1 °F (25.6 °C).
Low Temperatures
On October 31 in this location the average low temperature is 42.6 °F (5.9 °C). The lowest recored low temperature was 21.0 °F (-6.1 °C) in 1988 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1974. The low temperature is usually* between 37.1 °F (2.8 °C) and 48.1 °F (8.9 °C). About a quarter of the time, the low temperature is less than 37.1 °F (2.8 °C), and another quarter of the time, the low temperature is greater than and 48.1 °F (8.9 °C). About 95% of the time, the low temperature has been between 26.7 °F (-2.9 °C) and 58.5 °F (14.7 °C).
Frost
On October 31 in this location expect the temperatures to drop below freezing for a risk of frost about 9.5% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 — from year 1946 to 2024
- CHICAGO MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2024
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2024
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 to 2020
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1994
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989
- CHICAGO MIDWAY AP — Weather Bureau Army Navy (WBAN): 14819 — from year 1948 to 1972
- CHICAGO OHARE INTL AP — Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1969
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958
- DUNNE CRIB IL. — Integrated Surface Dataset (ISD) station ID: 744650 — from year 1943 to 1943