Station information
- Weather Bureau Army Navy (WBAN): 14819
- Country: US
- State: IL
- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On August 21 in <NA> the average high temperature is 82.4 °F (28.0 °C). The lowest recored high temperature was 71.6 °F (22.0 °C) in 1997 and the highest recored high temperature was 97.0 °F (36.1 °C) in 1955. The high temperature is usually* between 78.2 °F (25.6 °C) and 86.7 °F (30.4 °C). About a quarter of the time, the high temperature is less than 78.2 °F (25.6 °C), and another quarter of the time, the high temperature is greater than and 86.7 °F (30.4 °C). About 95% of the time, the high temperature has been between 70.1 °F (21.2 °C) and 94.8 °F (34.9 °C).
Low Temperatures
On August 21 in <NA> the average low temperature is 65.2 °F (18.4 °C). The lowest recored low temperature was 46.0 °F (7.8 °C) in 1950 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 1968. The low temperature is usually* between 61.1 °F (16.2 °C) and 69.3 °F (20.7 °C). About a quarter of the time, the low temperature is less than 61.1 °F (16.2 °C), and another quarter of the time, the low temperature is greater than and 69.3 °F (20.7 °C). About 95% of the time, the low temperature has been between 53.2 °F (11.8 °C) and 77.2 °F (25.1 °C).
Frost
On August 21 in <NA> expect the temperatures to drop below freezing for a risk of frost about 0.0% 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: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2025 - CHICAGO MIDWAY AP — Weather Bureau Army Navy (WBAN): 14819 — from year 1948 to 1972