- Latitude: 42.083
- Longitude: -87.833
High Temperatures
On June 20 in this location the average high temperature is 80.4 °F (26.9 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1992 and the highest recored high temperature was 102.9 °F (39.4 °C) in 1988. The high temperature is usually* between 75.0 °F (23.9 °C) and 85.8 °F (29.9 °C). About a quarter of the time, the high temperature is less than 75.0 °F (23.9 °C), and another quarter of the time, the high temperature is greater than and 85.8 °F (29.9 °C). About 95% of the time, the high temperature has been between 64.7 °F (18.2 °C) and 96.1 °F (35.6 °C).
Low Temperatures
On June 20 in this location the average low temperature is 61.2 °F (16.2 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 2004 and the lowest recored low temperature was 86.5 °F (30.3 °C) in 2012. The low temperature is usually* between 56.4 °F (13.5 °C) and 66.0 °F (18.9 °C). About a quarter of the time, the low temperature is less than 56.4 °F (13.5 °C), and another quarter of the time, the low temperature is greater than and 66.0 °F (18.9 °C). About 95% of the time, the low temperature has been between 47.2 °F (8.4 °C) and 75.2 °F (24.0 °C).
Frost
On June 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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 1947 to 2025
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025
- PALWAUKEE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 744665 — Weather Bureau Army Navy (WBAN): 04838 — from year 2006 to 2025
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2007 to 2025
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2012 to 2019
- PALWAUKEE MUNI — Integrated Surface Dataset (ISD) station ID: 744665 — from year 1996 to 2005
- ANN ARBOR MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 725374 — from year 1999 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 2002 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
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1989
- 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 1970
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958