- Latitude: 41.65
- Longitude: -87.15
High Temperatures
On October 30 in this location the average high temperature is 58.8 °F (14.9 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1988 and the highest recored high temperature was 80.6 °F (27.0 °C) in 2024. The high temperature is usually* between 52.5 °F (11.4 °C) and 65.1 °F (18.4 °C). About a quarter of the time, the high temperature is less than 52.5 °F (11.4 °C), and another quarter of the time, the high temperature is greater than and 65.1 °F (18.4 °C). About 95% of the time, the high temperature has been between 40.6 °F (4.8 °C) and 77.0 °F (25.0 °C).
Low Temperatures
On October 30 in this location the average low temperature is 43.2 °F (6.2 °C). The lowest recored low temperature was 26.1 °F (-3.3 °C) in 2011 and the lowest recored low temperature was 68.2 °F (20.1 °C) in 2024. The low temperature is usually* between 38.1 °F (3.4 °C) and 48.4 °F (9.1 °C). About a quarter of the time, the low temperature is less than 38.1 °F (3.4 °C), and another quarter of the time, the low temperature is greater than and 48.4 °F (9.1 °C). About 95% of the time, the low temperature has been between 28.2 °F (-2.1 °C) and 58.3 °F (14.6 °C).
Frost
On October 30 in this location expect the temperatures to drop below freezing for a risk of frost about 7.2% 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
- MICHIGAN CITY — Integrated Surface Dataset (ISD) station ID: 997339 — from year 2005 to 2024
- PORTER COUNTY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 725327 — Weather Bureau Army Navy (WBAN): 04846 — 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
- BURNS HARBOR — Integrated Surface Dataset (ISD) station ID: 997787 — from year 2007 to 2024
- MICHIGAN CITY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 726358 — Weather Bureau Army Navy (WBAN): 00384 — from year 2014 to 2024
- MICHIGAN CITY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 726358 — from year 1977 to 2017
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005
- PORTER CO MUNI — Integrated Surface Dataset (ISD) station ID: 725327 — from year 1999 to 2005
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1994
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989