- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On June 26 in this location the average high temperature is 81.1 °F (27.3 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1982 and the highest recored high temperature was 97.9 °F (36.6 °C) in 2025. The high temperature is usually* between 75.9 °F (24.4 °C) and 86.3 °F (30.2 °C). About a quarter of the time, the high temperature is less than 75.9 °F (24.4 °C), and another quarter of the time, the high temperature is greater than and 86.3 °F (30.2 °C). About 95% of the time, the high temperature has been between 66.0 °F (18.9 °C) and 96.2 °F (35.7 °C).
Low Temperatures
On June 26 in this location the average low temperature is 64.4 °F (18.0 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 1994 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 1973. The low temperature is usually* between 60.3 °F (15.7 °C) and 68.6 °F (20.3 °C). About a quarter of the time, the low temperature is less than 60.3 °F (15.7 °C), and another quarter of the time, the low temperature is greater than and 68.6 °F (20.3 °C). About 95% of the time, the low temperature has been between 52.3 °F (11.3 °C) and 76.5 °F (24.7 °C).
Frost
On June 26 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 — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2025
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2012 to 2019
- 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 1987 to 1990
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1945 to 1972
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1970