- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 18 in this location the average high temperature is 34.1 °F (1.2 °C). The lowest recored high temperature was 9.0 °F (-12.8 °C) in 1983 and the highest recored high temperature was 55.9 °F (13.3 °C) in 1977. The high temperature is usually* between 27.1 °F (-2.7 °C) and 41.2 °F (5.1 °C). About a quarter of the time, the high temperature is less than 27.1 °F (-2.7 °C), and another quarter of the time, the high temperature is greater than and 41.2 °F (5.1 °C). About 95% of the time, the high temperature has been between 13.8 °F (-10.1 °C) and 54.5 °F (12.5 °C).
Low Temperatures
On December 18 in this location the average low temperature is 20.9 °F (-6.2 °C). The lowest recored low temperature was -11.0 °F (-23.9 °C) in 1945 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 2017. The low temperature is usually* between 12.7 °F (-10.7 °C) and 29.1 °F (-1.6 °C). About a quarter of the time, the low temperature is less than 12.7 °F (-10.7 °C), and another quarter of the time, the low temperature is greater than and 29.1 °F (-1.6 °C). About 95% of the time, the low temperature has been between -3.0 °F (-19.4 °C) and 44.8 °F (7.1 °C).
Frost
On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 81.9% 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 — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2024
- PALWAUKEE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 744665 — Weather Bureau Army Navy (WBAN): 04838 — from year 2006 to 2024
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2006 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 2017
- PALWAUKEE MUNI — Integrated Surface Dataset (ISD) station ID: 744665 — from year 1995 to 2005
- ANN ARBOR MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 725374 — from year 1998 to 2005
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
- CHIGAGO-WAUKEE ARPT — Integrated Surface Dataset (ISD) station ID: 725339 — from year 2001 to 2001
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1995
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1990
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1945 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 1957