- 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 May 22 in GARY/CHICAGO AIRPORT the average high temperature is 72.7 °F (22.6 °C). The lowest recored high temperature was 57.2 °F (14.0 °C) in 2025 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1987. The high temperature is usually* between 66.2 °F (19.0 °C) and 79.1 °F (26.2 °C). About a quarter of the time, the high temperature is less than 66.2 °F (19.0 °C), and another quarter of the time, the high temperature is greater than and 79.1 °F (26.2 °C). About 95% of the time, the high temperature has been between 53.9 °F (12.2 °C) and 91.4 °F (33.0 °C).
Low Temperatures
On May 22 in GARY/CHICAGO AIRPORT the average low temperature is 53.5 °F (11.9 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2006 and the lowest recored low temperature was 67.1 °F (19.5 °C) in 2021. The low temperature is usually* between 48.2 °F (9.0 °C) and 58.7 °F (14.8 °C). About a quarter of the time, the low temperature is less than 48.2 °F (9.0 °C), and another quarter of the time, the low temperature is greater than and 58.7 °F (14.8 °C). About 95% of the time, the low temperature has been between 38.3 °F (3.5 °C) and 68.6 °F (20.3 °C).
Frost
On May 22 in GARY/CHICAGO AIRPORT 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:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
-
— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005