Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On July 29 in GARY CHICAGO the average high temperature is 82.7 °F (28.2 °C). The lowest recored high temperature was 71.6 °F (22.0 °C) in 2013 and the highest recored high temperature was 96.8 °F (36.0 °C) in 2025. The high temperature is usually* between 78.3 °F (25.7 °C) and 87.2 °F (30.7 °C). About a quarter of the time, the high temperature is less than 78.3 °F (25.7 °C), and another quarter of the time, the high temperature is greater than and 87.2 °F (30.7 °C). About 95% of the time, the high temperature has been between 69.9 °F (21.1 °C) and 95.6 °F (35.3 °C).
Low Temperatures
On July 29 in GARY CHICAGO the average low temperature is 66.6 °F (19.2 °C). The lowest recored low temperature was 53.6 °F (12.0 °C) in 2014 and the lowest recored low temperature was 75.2 °F (24.0 °C) in 2011. The low temperature is usually* between 62.4 °F (16.9 °C) and 70.8 °F (21.5 °C). About a quarter of the time, the low temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the low temperature is greater than and 70.8 °F (21.5 °C). About 95% of the time, the low temperature has been between 54.5 °F (12.5 °C) and 78.7 °F (26.0 °C).
Frost
On July 29 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:
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— 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 1982 to 2005