- Weather Bureau Army Navy (WBAN): 04807
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.
High Temperatures
On September 25 in GARY/CHICAGO AIRPORT the average high temperature is 72.1 °F (22.3 °C). The lowest recored high temperature was 55.4 °F (13.0 °C) in 2001 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2017. The high temperature is usually* between 66.7 °F (19.3 °C) and 77.4 °F (25.2 °C). About a quarter of the time, the high temperature is less than 66.7 °F (19.3 °C), and another quarter of the time, the high temperature is greater than and 77.4 °F (25.2 °C). About 95% of the time, the high temperature has been between 56.5 °F (13.6 °C) and 87.6 °F (30.9 °C).
Low Temperatures
On September 25 in GARY/CHICAGO AIRPORT the average low temperature is 54.1 °F (12.3 °C). The lowest recored low temperature was 39.2 °F (4.0 °C) in 2002 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1986. The low temperature is usually* between 48.7 °F (9.3 °C) and 59.5 °F (15.3 °C). About a quarter of the time, the low temperature is less than 48.7 °F (9.3 °C), and another quarter of the time, the low temperature is greater than and 59.5 °F (15.3 °C). About 95% of the time, the low temperature has been between 38.4 °F (3.6 °C) and 69.7 °F (21.0 °C).
Frost
On September 25 in GARY/CHICAGO AIRPORT 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: