- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.
High Temperatures
On July 19 in GARY/CHICAGO AIRPORT the average high temperature is 84.6 °F (29.2 °C). The lowest recored high temperature was 71.6 °F (22.0 °C) in 2009 and the highest recored high temperature was 96.1 °F (35.6 °C) in 1991. The high temperature is usually* between 80.2 °F (26.8 °C) and 89.0 °F (31.7 °C). About a quarter of the time, the high temperature is less than 80.2 °F (26.8 °C), and another quarter of the time, the high temperature is greater than and 89.0 °F (31.7 °C). About 95% of the time, the high temperature has been between 71.7 °F (22.1 °C) and 97.4 °F (36.4 °C).
Low Temperatures
On July 19 in GARY/CHICAGO AIRPORT the average low temperature is 68.2 °F (20.1 °C). The lowest recored low temperature was 53.6 °F (12.0 °C) in 2024 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2019. The low temperature is usually* between 64.1 °F (17.8 °C) and 72.2 °F (22.4 °C). About a quarter of the time, the low temperature is less than 64.1 °F (17.8 °C), and another quarter of the time, the low temperature is greater than and 72.2 °F (22.4 °C). About 95% of the time, the low temperature has been between 56.3 °F (13.5 °C) and 80.0 °F (26.7 °C).
Frost
On July 19 in GARY/CHICAGO AIRPORT 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:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005