Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On September 27 in GARY CHICAGO the average high temperature is 70.9 °F (21.6 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1984 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2021. The high temperature is usually* between 65.5 °F (18.6 °C) and 76.3 °F (24.6 °C). About a quarter of the time, the high temperature is less than 65.5 °F (18.6 °C), and another quarter of the time, the high temperature is greater than and 76.3 °F (24.6 °C). About 95% of the time, the high temperature has been between 55.3 °F (12.9 °C) and 86.6 °F (30.3 °C).
Low Temperatures
On September 27 in GARY CHICAGO the average low temperature is 54.3 °F (12.4 °C). The lowest recored low temperature was 37.0 °F (2.8 °C) in 1991 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 1998. The low temperature is usually* between 49.6 °F (9.8 °C) and 59.0 °F (15.0 °C). About a quarter of the time, the low temperature is less than 49.6 °F (9.8 °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 40.6 °F (4.8 °C) and 68.0 °F (20.0 °C).
Frost
On September 27 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.1% 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