- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On July 15 in this location the average high temperature is 84.6 °F (29.2 °C). The lowest recored high temperature was 66.6 °F (19.2 °C) in 2015 and the highest recored high temperature was 102.0 °F (38.9 °C) in 1988. The high temperature is usually* between 80.2 °F (26.8 °C) and 89.0 °F (31.7 °C). About a quarter of the time, the high temperature is less than 80.2 °F (26.8 °C), and another quarter of the time, the high temperature is greater than and 89.0 °F (31.7 °C). About 95% of the time, the high temperature has been between 71.9 °F (22.2 °C) and 97.3 °F (36.3 °C).
Low Temperatures
On July 15 in this location the average low temperature is 66.7 °F (19.3 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 1967 and the lowest recored low temperature was 82.9 °F (28.3 °C) in 1995. The low temperature is usually* between 63.2 °F (17.3 °C) and 70.2 °F (21.2 °C). About a quarter of the time, the low temperature is less than 63.2 °F (17.3 °C), and another quarter of the time, the low temperature is greater than and 70.2 °F (21.2 °C). About 95% of the time, the low temperature has been between 56.5 °F (13.6 °C) and 76.8 °F (24.9 °C).
Frost
On July 15 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 MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2025
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — 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
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1990
- 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