- Latitude: 41.54
- Longitude: -87.532
High Temperatures
On August 9 in this location the average high temperature is 82.4 °F (28.0 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1994 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2025. The high temperature is usually* between 78.6 °F (25.9 °C) and 86.3 °F (30.2 °C). About a quarter of the time, the high temperature is less than 78.6 °F (25.9 °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 71.2 °F (21.8 °C) and 93.6 °F (34.2 °C).
Low Temperatures
On August 9 in this location the average low temperature is 66.5 °F (19.2 °C). The lowest recored low temperature was 56.1 °F (13.4 °C) in 2017 and the lowest recored low temperature was 78.8 °F (26.0 °C) in 2009. The low temperature is usually* between 62.7 °F (17.1 °C) and 70.3 °F (21.3 °C). About a quarter of the time, the low temperature is less than 62.7 °F (17.1 °C), and another quarter of the time, the low temperature is greater than and 70.3 °F (21.3 °C). About 95% of the time, the low temperature has been between 55.6 °F (13.1 °C) and 77.4 °F (25.2 °C).
Frost
On August 9 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 2025
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2025
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
- 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 1994 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989