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 August 18 in <NA> the average high temperature is 82.2 °F (27.9 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1950 and the highest recored high temperature was 95.0 °F (35.0 °C) in 1988. The high temperature is usually* between 78.3 °F (25.7 °C) and 86.0 °F (30.0 °C). About a quarter of the time, the high temperature is less than 78.3 °F (25.7 °C), and another quarter of the time, the high temperature is greater than and 86.0 °F (30.0 °C). About 95% of the time, the high temperature has been between 70.9 °F (21.6 °C) and 93.4 °F (34.1 °C).
Low Temperatures
On August 18 in <NA> the average low temperature is 65.5 °F (18.6 °C). The lowest recored low temperature was 48.0 °F (8.9 °C) in 1976 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 1972. The low temperature is usually* between 61.7 °F (16.5 °C) and 69.3 °F (20.7 °C). About a quarter of the time, the low temperature is less than 61.7 °F (16.5 °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 54.4 °F (12.5 °C) and 76.6 °F (24.8 °C).
Frost
On August 18 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:
- 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