- 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 September 21 in CHICAGO MIDWAY INTL ARPT the average high temperature is 74.7 °F (23.7 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1983 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2017. The high temperature is usually* between 68.5 °F (20.3 °C) and 80.9 °F (27.2 °C). About a quarter of the time, the high temperature is less than 68.5 °F (20.3 °C), and another quarter of the time, the high temperature is greater than and 80.9 °F (27.2 °C). About 95% of the time, the high temperature has been between 56.7 °F (13.7 °C) and 92.7 °F (33.7 °C).
Low Temperatures
On September 21 in CHICAGO MIDWAY INTL ARPT the average low temperature is 57.3 °F (14.1 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 1983 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 1970. The low temperature is usually* between 51.7 °F (11.0 °C) and 62.9 °F (17.2 °C). About a quarter of the time, the low temperature is less than 51.7 °F (11.0 °C), and another quarter of the time, the low temperature is greater than and 62.9 °F (17.2 °C). About 95% of the time, the low temperature has been between 41.1 °F (5.1 °C) and 73.5 °F (23.1 °C).
Frost
On September 21 in CHICAGO MIDWAY INTL ARPT expect the temperatures to drop below freezing for a risk of frost about 0.1% 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 2024
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— Weather Bureau Army Navy (WBAN): 14819 — from year 1948 to 1972