- 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 March 29 in GARY/CHICAGO AIRPORT the average high temperature is 53.7 °F (12.1 °C). The lowest recored high temperature was 35.1 °F (1.7 °C) in 1983 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1986. The high temperature is usually* between 45.5 °F (7.5 °C) and 61.9 °F (16.6 °C). About a quarter of the time, the high temperature is less than 45.5 °F (7.5 °C), and another quarter of the time, the high temperature is greater than and 61.9 °F (16.6 °C). About 95% of the time, the high temperature has been between 30.0 °F (-1.1 °C) and 77.5 °F (25.3 °C).
Low Temperatures
On March 29 in GARY/CHICAGO AIRPORT the average low temperature is 37.9 °F (3.3 °C). The lowest recored low temperature was 25.9 °F (-3.4 °C) in 2015 and the lowest recored low temperature was 60.8 °F (16.0 °C) in 2025. The low temperature is usually* between 31.8 °F (-0.1 °C) and 44.0 °F (6.7 °C). About a quarter of the time, the low temperature is less than 31.8 °F (-0.1 °C), and another quarter of the time, the low temperature is greater than and 44.0 °F (6.7 °C). About 95% of the time, the low temperature has been between 20.2 °F (-6.6 °C) and 55.6 °F (13.1 °C).
Frost
On March 29 in GARY/CHICAGO AIRPORT expect the temperatures to drop below freezing for a risk of frost about 25.6% 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