- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On October 20 in this location the average high temperature is 62.6 °F (17.0 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1989 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1953. The high temperature is usually* between 56.0 °F (13.3 °C) and 69.2 °F (20.7 °C). About a quarter of the time, the high temperature is less than 56.0 °F (13.3 °C), and another quarter of the time, the high temperature is greater than and 69.2 °F (20.7 °C). About 95% of the time, the high temperature has been between 43.4 °F (6.3 °C) and 81.8 °F (27.7 °C).
Low Temperatures
On October 20 in this location the average low temperature is 44.1 °F (6.7 °C). The lowest recored low temperature was 21.0 °F (-6.1 °C) in 1992 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 1979. The low temperature is usually* between 38.6 °F (3.6 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the low temperature is less than 38.6 °F (3.6 °C), and another quarter of the time, the low temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the low temperature has been between 28.1 °F (-2.2 °C) and 60.1 °F (15.6 °C).
Frost
On October 20 in this location expect the temperatures to drop below freezing for a risk of frost about 7.0% 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
- 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