Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On May 23 in GARY CHICAGO the average high temperature is 72.7 °F (22.6 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1982 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 65.8 °F (18.8 °C) and 79.6 °F (26.4 °C). About a quarter of the time, the high temperature is less than 65.8 °F (18.8 °C), and another quarter of the time, the high temperature is greater than and 79.6 °F (26.4 °C). About 95% of the time, the high temperature has been between 52.7 °F (11.5 °C) and 92.7 °F (33.7 °C).
Low Temperatures
On May 23 in GARY CHICAGO the average low temperature is 53.7 °F (12.0 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2025 and the lowest recored low temperature was 69.8 °F (21.0 °C) in 2021. The low temperature is usually* between 48.3 °F (9.1 °C) and 59.0 °F (15.0 °C). About a quarter of the time, the low temperature is less than 48.3 °F (9.1 °C), and another quarter of the time, the low temperature is greater than and 59.0 °F (15.0 °C). About 95% of the time, the low temperature has been between 38.2 °F (3.4 °C) and 69.1 °F (20.6 °C).
Frost
On May 23 in GARY CHICAGO 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:
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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