Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On October 30 in GARY CHICAGO the average high temperature is 59.8 °F (15.5 °C). The lowest recored high temperature was 38.8 °F (3.8 °C) in 1993 and the highest recored high temperature was 80.6 °F (27.0 °C) in 2024. The high temperature is usually* between 53.1 °F (11.7 °C) and 66.6 °F (19.2 °C). About a quarter of the time, the high temperature is less than 53.1 °F (11.7 °C), and another quarter of the time, the high temperature is greater than and 66.6 °F (19.2 °C). About 95% of the time, the high temperature has been between 40.2 °F (4.5 °C) and 79.5 °F (26.4 °C).
Low Temperatures
On October 30 in GARY CHICAGO the average low temperature is 43.5 °F (6.4 °C). The lowest recored low temperature was 28.2 °F (-2.1 °C) in 1988 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2024. The low temperature is usually* between 37.6 °F (3.1 °C) and 49.4 °F (9.7 °C). About a quarter of the time, the low temperature is less than 37.6 °F (3.1 °C), and another quarter of the time, the low temperature is greater than and 49.4 °F (9.7 °C). About 95% of the time, the low temperature has been between 26.3 °F (-3.2 °C) and 60.6 °F (15.9 °C).
Frost
On October 30 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 9.5% 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 2024 - GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005