Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On May 30 in GARY CHICAGO the average high temperature is 76.2 °F (24.5 °C). The lowest recored high temperature was 57.2 °F (14.0 °C) in 2001 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2011. The high temperature is usually* between 69.1 °F (20.6 °C) and 83.2 °F (28.5 °C). About a quarter of the time, the high temperature is less than 69.1 °F (20.6 °C), and another quarter of the time, the high temperature is greater than and 83.2 °F (28.5 °C). About 95% of the time, the high temperature has been between 55.6 °F (13.1 °C) and 96.7 °F (35.9 °C).
Low Temperatures
On May 30 in GARY CHICAGO the average low temperature is 57.5 °F (14.2 °C). The lowest recored low temperature was 38.5 °F (3.6 °C) in 2021 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 2013. The low temperature is usually* between 51.4 °F (10.8 °C) and 63.6 °F (17.6 °C). About a quarter of the time, the low temperature is less than 51.4 °F (10.8 °C), and another quarter of the time, the low temperature is greater than and 63.6 °F (17.6 °C). About 95% of the time, the low temperature has been between 39.8 °F (4.4 °C) and 75.2 °F (24.0 °C).
Frost
On May 30 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.2% 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