- Weather Bureau Army Navy (WBAN): 14819
- Country: US
- State: IL
- Latitude: 41.786
- Longitude: -87.752
An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.
High Temperatures
On March 21 in CHICAGO MIDWAY INTL ARPT the average high temperature is 49.3 °F (9.6 °C). The lowest recored high temperature was 23.0 °F (-5.0 °C) in 1965 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 26.0 °F (-3.3 °C) and 72.5 °F (22.5 °C).
Low Temperatures
On March 21 in CHICAGO MIDWAY INTL ARPT the average low temperature is 32.7 °F (0.4 °C). The lowest recored low temperature was 12.0 °F (-11.1 °C) in 1951 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2012. The low temperature is usually* between 26.7 °F (-3.0 °C) and 38.7 °F (3.7 °C). About a quarter of the time, the low temperature is less than 26.7 °F (-3.0 °C), and another quarter of the time, the low temperature is greater than and 38.7 °F (3.7 °C). About 95% of the time, the low temperature has been between 15.1 °F (-9.4 °C) and 50.3 °F (10.1 °C).
Frost
On March 21 in CHICAGO MIDWAY INTL ARPT expect the temperatures to drop below freezing for a risk of frost about 46.9% 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:
- CHICAGO MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2025
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— Weather Bureau Army Navy (WBAN): 14819 — from year 1948 to 1972