Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On August 21 in GARY CHICAGO the average high temperature is 80.8 °F (27.1 °C). The lowest recored high temperature was 69.8 °F (21.0 °C) in 1997 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2003. The high temperature is usually* between 76.8 °F (24.9 °C) and 84.9 °F (29.4 °C). About a quarter of the time, the high temperature is less than 76.8 °F (24.9 °C), and another quarter of the time, the high temperature is greater than and 84.9 °F (29.4 °C). About 95% of the time, the high temperature has been between 69.0 °F (20.5 °C) and 92.7 °F (33.7 °C).
Low Temperatures
On August 21 in GARY CHICAGO the average low temperature is 64.3 °F (17.9 °C). The lowest recored low temperature was 48.2 °F (9.0 °C) in 1999 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 2003. The low temperature is usually* between 59.6 °F (15.3 °C) and 69.0 °F (20.6 °C). About a quarter of the time, the low temperature is less than 59.6 °F (15.3 °C), and another quarter of the time, the low temperature is greater than and 69.0 °F (20.6 °C). About 95% of the time, the low temperature has been between 50.6 °F (10.3 °C) and 78.0 °F (25.6 °C).
Frost
On August 21 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.0% 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 1981 to 2005