Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On March 21 in GARY CHICAGO the average high temperature is 49.6 °F (9.8 °C). The lowest recored high temperature was 30.9 °F (-0.6 °C) in 1996 and the highest recored high temperature was 87.8 °F (31.0 °C) in 2012. The high temperature is usually* between 41.1 °F (5.1 °C) and 58.0 °F (14.5 °C). About a quarter of the time, the high temperature is less than 41.1 °F (5.1 °C), and another quarter of the time, the high temperature is greater than and 58.0 °F (14.5 °C). About 95% of the time, the high temperature has been between 25.1 °F (-3.9 °C) and 74.1 °F (23.4 °C).
Low Temperatures
On March 21 in GARY CHICAGO the average low temperature is 34.1 °F (1.2 °C). The lowest recored low temperature was 15.3 °F (-9.3 °C) in 1986 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2012. The low temperature is usually* between 27.9 °F (-2.3 °C) and 40.2 °F (4.6 °C). About a quarter of the time, the low temperature is less than 27.9 °F (-2.3 °C), and another quarter of the time, the low temperature is greater than and 40.2 °F (4.6 °C). About 95% of the time, the low temperature has been between 16.3 °F (-8.7 °C) and 51.9 °F (11.1 °C).
Frost
On March 21 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 40.9% 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 1982 to 2005