Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On October 23 in WILMETTE (CGS) the average high temperature is 54.8 °F (12.7 °C). The lowest recored high temperature was 50.9 °F (10.5 °C) in 1987 and the highest recored high temperature was 70.9 °F (21.6 °C) in 1989. The high temperature is usually* between 49.9 °F (9.9 °C) and 59.8 °F (15.4 °C). About a quarter of the time, the high temperature is less than 49.9 °F (9.9 °C), and another quarter of the time, the high temperature is greater than and 59.8 °F (15.4 °C). About 95% of the time, the high temperature has been between 40.4 °F (4.7 °C) and 69.2 °F (20.7 °C).
Low Temperatures
On October 23 in WILMETTE (CGS) the average low temperature is 40.1 °F (4.5 °C). The lowest recored low temperature was 31.1 °F (-0.5 °C) in 1990 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1989. The low temperature is usually* between 35.2 °F (1.8 °C) and 44.9 °F (7.2 °C). About a quarter of the time, the low temperature is less than 35.2 °F (1.8 °C), and another quarter of the time, the low temperature is greater than and 44.9 °F (7.2 °C). About 95% of the time, the low temperature has been between 26.0 °F (-3.3 °C) and 54.2 °F (12.3 °C).
Frost
On October 23 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 13.1% 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:
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1990