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 October 21 in <NA> the average high temperature is 62.9 °F (17.2 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1976 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1947. The high temperature is usually* between 56.3 °F (13.5 °C) and 69.5 °F (20.8 °C). About a quarter of the time, the high temperature is less than 56.3 °F (13.5 °C), and another quarter of the time, the high temperature is greater than and 69.5 °F (20.8 °C). About 95% of the time, the high temperature has been between 43.7 °F (6.5 °C) and 82.0 °F (27.8 °C).
Low Temperatures
On October 21 in <NA> the average low temperature is 44.1 °F (6.7 °C). The lowest recored low temperature was 26.1 °F (-3.3 °C) in 1952 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1979. The low temperature is usually* between 37.7 °F (3.2 °C) and 50.4 °F (10.2 °C). About a quarter of the time, the low temperature is less than 37.7 °F (3.2 °C), and another quarter of the time, the low temperature is greater than and 50.4 °F (10.2 °C). About 95% of the time, the low temperature has been between 25.7 °F (-3.5 °C) and 62.5 °F (17.0 °C).
Frost
On October 21 in <NA> expect the temperatures to drop below freezing for a risk of frost about 9.9% 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