- Latitude: 41.8375511
- Longitude: -87.6818441
High Temperatures
On October 7 in Chicago, IL (Illinois), USA the average high temperature is 67.1 °F (19.5 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1987 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 60.8 °F (16.0 °C) and 73.5 °F (23.0 °C). About a quarter of the time, the high temperature is less than 60.8 °F (16.0 °C), and another quarter of the time, the high temperature is greater than and 73.5 °F (23.0 °C). About 95% of the time, the high temperature has been between 48.7 °F (9.3 °C) and 85.5 °F (29.7 °C).
Low Temperatures
On October 7 in Chicago, IL (Illinois), USA the average low temperature is 49.2 °F (9.6 °C). The lowest recored low temperature was 24.4 °F (-4.2 °C) in 1964 and the lowest recored low temperature was 71.8 °F (22.1 °C) in 2007. The low temperature is usually* between 43.2 °F (6.2 °C) and 55.2 °F (12.9 °C). About a quarter of the time, the low temperature is less than 43.2 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 55.2 °F (12.9 °C). About 95% of the time, the low temperature has been between 31.7 °F (-0.2 °C) and 66.7 °F (19.3 °C).
Frost
On October 7 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 2.7% 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 1947 to 2024
- CHICAGO MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2024
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2006 to 2024
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2024
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2012 to 2020
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005 -
— Weather Bureau Army Navy (WBAN): 04807 — from year 2005 to 2005 - 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
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1994
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1994
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1990
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1945 to 1972
- 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