Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On March 20 in GARY CHICAGO the average high temperature is 49.2 °F (9.6 °C). The lowest recored high temperature was 31.1 °F (-0.5 °C) in 1986 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2012. The high temperature is usually* between 41.2 °F (5.1 °C) and 57.3 °F (14.0 °C). About a quarter of the time, the high temperature is less than 41.2 °F (5.1 °C), and another quarter of the time, the high temperature is greater than and 57.3 °F (14.0 °C). About 95% of the time, the high temperature has been between 25.9 °F (-3.4 °C) and 72.6 °F (22.5 °C).
Low Temperatures
On March 20 in GARY CHICAGO the average low temperature is 33.7 °F (1.0 °C). The lowest recored low temperature was 14.2 °F (-9.9 °C) in 1986 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2012. The low temperature is usually* between 27.8 °F (-2.3 °C) and 39.6 °F (4.2 °C). About a quarter of the time, the low temperature is less than 27.8 °F (-2.3 °C), and another quarter of the time, the low temperature is greater than and 39.6 °F (4.2 °C). About 95% of the time, the low temperature has been between 16.7 °F (-8.5 °C) and 50.8 °F (10.4 °C).
Frost
On March 20 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 42.2% 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