Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Weather Bureau Army Navy (WBAN): 04807
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
High Temperatures
On October 21 in <NA> the average high temperature is 62.5 °F (17.0 °C). The lowest recored high temperature was 42.1 °F (5.6 °C) in 1987 and the highest recored high temperature was 84.2 °F (29.0 °C) in 2024. The high temperature is usually* between 56.0 °F (13.3 °C) and 69.0 °F (20.6 °C). About a quarter of the time, the high temperature is less than 56.0 °F (13.3 °C), and another quarter of the time, the high temperature is greater than and 69.0 °F (20.6 °C). About 95% of the time, the high temperature has been between 43.7 °F (6.5 °C) and 81.4 °F (27.4 °C).
Low Temperatures
On October 21 in <NA> the average low temperature is 44.9 °F (7.2 °C). The lowest recored low temperature was 30.2 °F (-1.0 °C) in 2018 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2007. The low temperature is usually* between 39.9 °F (4.4 °C) and 49.9 °F (10.0 °C). About a quarter of the time, the low temperature is less than 39.9 °F (4.4 °C), and another quarter of the time, the low temperature is greater than and 49.9 °F (10.0 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 59.4 °F (15.2 °C).
Frost
On October 21 in <NA> expect the temperatures to drop below freezing for a risk of frost about 4.0% 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:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005