Station information
- Integrated Surface Dataset (ISD) station ID: 725340
- Weather Bureau Army Navy (WBAN): 14819
- Country: US
- State: IL
- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On March 12 in CHICAGO MIDWAY INTL ARPT the average high temperature is 46.3 °F (8.0 °C). The lowest recored high temperature was 21.2 °F (-6.0 °C) in 1984 and the highest recored high temperature was 79.0 °F (26.1 °C) in 1990. The high temperature is usually* between 37.9 °F (3.3 °C) and 54.8 °F (12.7 °C). About a quarter of the time, the high temperature is less than 37.9 °F (3.3 °C), and another quarter of the time, the high temperature is greater than and 54.8 °F (12.7 °C). About 95% of the time, the high temperature has been between 21.7 °F (-5.7 °C) and 70.9 °F (21.6 °C).
Low Temperatures
On March 12 in CHICAGO MIDWAY INTL ARPT the average low temperature is 30.3 °F (-1.0 °C). The lowest recored low temperature was 1.0 °F (-17.2 °C) in 1948 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 1990. The low temperature is usually* between 23.5 °F (-4.7 °C) and 37.1 °F (2.8 °C). About a quarter of the time, the low temperature is less than 23.5 °F (-4.7 °C), and another quarter of the time, the low temperature is greater than and 37.1 °F (2.8 °C). About 95% of the time, the low temperature has been between 10.5 °F (-11.9 °C) and 50.0 °F (10.0 °C).
Frost
On March 12 in CHICAGO MIDWAY INTL ARPT expect the temperatures to drop below freezing for a risk of frost about 56.8% 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