Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On September 18 in GARY CHICAGO the average high temperature is 75.7 °F (24.3 °C). The lowest recored high temperature was 61.7 °F (16.5 °C) in 2020 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 70.3 °F (21.3 °C) and 81.1 °F (27.3 °C). About a quarter of the time, the high temperature is less than 70.3 °F (21.3 °C), and another quarter of the time, the high temperature is greater than and 81.1 °F (27.3 °C). About 95% of the time, the high temperature has been between 60.0 °F (15.6 °C) and 91.5 °F (33.0 °C).
Low Temperatures
On September 18 in GARY CHICAGO the average low temperature is 57.3 °F (14.1 °C). The lowest recored low temperature was 42.8 °F (6.0 °C) in 2009 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1988. The low temperature is usually* between 52.3 °F (11.3 °C) and 62.3 °F (16.9 °C). About a quarter of the time, the low temperature is less than 52.3 °F (11.3 °C), and another quarter of the time, the low temperature is greater than and 62.3 °F (16.9 °C). About 95% of the time, the low temperature has been between 42.7 °F (5.9 °C) and 71.9 °F (22.2 °C).
Frost
On September 18 in GARY CHICAGO 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:
-
— 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