Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On August 9 in GARY CHICAGO the average high temperature is 82.9 °F (28.3 °C). The lowest recored high temperature was 68.0 °F (20.0 °C) in 1994 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2025. The high temperature is usually* between 78.9 °F (26.1 °C) and 86.9 °F (30.5 °C). About a quarter of the time, the high temperature is less than 78.9 °F (26.1 °C), and another quarter of the time, the high temperature is greater than and 86.9 °F (30.5 °C). About 95% of the time, the high temperature has been between 71.3 °F (21.8 °C) and 94.5 °F (34.7 °C).
Low Temperatures
On August 9 in GARY CHICAGO the average low temperature is 66.5 °F (19.2 °C). The lowest recored low temperature was 57.2 °F (14.0 °C) in 2017 and the lowest recored low temperature was 78.8 °F (26.0 °C) in 2009. The low temperature is usually* between 62.5 °F (17.0 °C) and 70.5 °F (21.4 °C). About a quarter of the time, the low temperature is less than 62.5 °F (17.0 °C), and another quarter of the time, the low temperature is greater than and 70.5 °F (21.4 °C). About 95% of the time, the low temperature has been between 54.9 °F (12.7 °C) and 78.1 °F (25.6 °C).
Frost
On August 9 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 1981 to 2005