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 September 21 in <NA> 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 <NA> 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 <NA> 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