- Latitude: 41.54
- Longitude: -87.532
High Temperatures
On September 18 in this location the average high temperature is 75.4 °F (24.1 °C). The lowest recored high temperature was 61.2 °F (16.2 °C) in 2020 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 70.1 °F (21.2 °C) and 80.7 °F (27.1 °C). About a quarter of the time, the high temperature is less than 70.1 °F (21.2 °C), and another quarter of the time, the high temperature is greater than and 80.7 °F (27.1 °C). About 95% of the time, the high temperature has been between 60.1 °F (15.6 °C) and 90.8 °F (32.7 °C).
Low Temperatures
On September 18 in this location the average low temperature is 57.4 °F (14.1 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 2014 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1988. The low temperature is usually* between 52.6 °F (11.4 °C) and 62.1 °F (16.7 °C). About a quarter of the time, the low temperature is less than 52.6 °F (11.4 °C), and another quarter of the time, the low temperature is greater than and 62.1 °F (16.7 °C). About 95% of the time, the low temperature has been between 43.5 °F (6.4 °C) and 71.2 °F (21.8 °C).
Frost
On September 18 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:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2024
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2024
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005
- LANSING MUNI — Integrated Surface Dataset (ISD) station ID: 722126 — from year 2004 to 2005
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1995 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1988