- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On April 27 in this location the average high temperature is 61.9 °F (16.6 °C). The lowest recored high temperature was 39.6 °F (4.2 °C) in 2022 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1986. The high temperature is usually* between 54.4 °F (12.4 °C) and 69.5 °F (20.8 °C). About a quarter of the time, the high temperature is less than 54.4 °F (12.4 °C), and another quarter of the time, the high temperature is greater than and 69.5 °F (20.8 °C). About 95% of the time, the high temperature has been between 39.9 °F (4.4 °C) and 84.0 °F (28.9 °C).
Low Temperatures
On April 27 in this location the average low temperature is 42.8 °F (6.0 °C). The lowest recored low temperature was 25.0 °F (-3.9 °C) in 2002 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 2009. The low temperature is usually* between 37.6 °F (3.1 °C) and 47.9 °F (8.8 °C). About a quarter of the time, the low temperature is less than 37.6 °F (3.1 °C), and another quarter of the time, the low temperature is greater than and 47.9 °F (8.8 °C). About 95% of the time, the low temperature has been between 27.8 °F (-2.3 °C) and 57.7 °F (14.3 °C).
Frost
On April 27 in this location expect the temperatures to drop below freezing for a risk of frost about 7.9% 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 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
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2007 to 2022
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 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
- 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 1988 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 1970
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958