Station information
- Integrated Surface Dataset (ISD) station ID: 725306
- Weather Bureau Army Navy (WBAN): 14855
- Country: US
- State: IL
- Latitude: 42.083
- Longitude: -87.833
High Temperatures
On August 18 in <NA> the average high temperature is 82.2 °F (27.9 °C). The lowest recored high temperature was 64.0 °F (17.8 °C) in 1950 and the highest recored high temperature was 102.0 °F (38.9 °C) in 1988. The high temperature is usually* between 77.3 °F (25.2 °C) and 87.2 °F (30.7 °C). About a quarter of the time, the high temperature is less than 77.3 °F (25.2 °C), and another quarter of the time, the high temperature is greater than and 87.2 °F (30.7 °C). About 95% of the time, the high temperature has been between 67.9 °F (19.9 °C) and 96.6 °F (35.9 °C).
Low Temperatures
On August 18 in <NA> the average low temperature is 63.8 °F (17.7 °C). The lowest recored low temperature was 48.9 °F (9.4 °C) in 1963 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 1947. The low temperature is usually* between 59.8 °F (15.4 °C) and 67.8 °F (19.9 °C). About a quarter of the time, the low temperature is less than 59.8 °F (15.4 °C), and another quarter of the time, the low temperature is greater than and 67.8 °F (19.9 °C). About 95% of the time, the low temperature has been between 52.2 °F (11.2 °C) and 75.4 °F (24.1 °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:
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
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— Weather Bureau Army Navy (WBAN): 14855 — from year 1945 to 1972