Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On September 29 in GARY CHICAGO the average high temperature is 70.6 °F (21.5 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1993 and the highest recored high temperature was 84.6 °F (29.2 °C) in 2013. The high temperature is usually* between 65.1 °F (18.4 °C) and 76.2 °F (24.6 °C). About a quarter of the time, the high temperature is less than 65.1 °F (18.4 °C), and another quarter of the time, the high temperature is greater than and 76.2 °F (24.6 °C). About 95% of the time, the high temperature has been between 54.5 °F (12.5 °C) and 86.8 °F (30.5 °C).
Low Temperatures
On September 29 in GARY CHICAGO the average low temperature is 52.5 °F (11.4 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2012 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2024. The low temperature is usually* between 47.5 °F (8.6 °C) and 57.5 °F (14.2 °C). About a quarter of the time, the low temperature is less than 47.5 °F (8.6 °C), and another quarter of the time, the low temperature is greater than and 57.5 °F (14.2 °C). About 95% of the time, the low temperature has been between 38.0 °F (3.3 °C) and 67.0 °F (19.5 °C).
Frost
On September 29 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.3% 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:
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— 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