Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On October 4 in WILMETTE (CGS) the average high temperature is 61.7 °F (16.5 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 1989 and the highest recored high temperature was 66.9 °F (19.4 °C) in 1990. The high temperature is usually* between 53.5 °F (11.9 °C) and 69.9 °F (21.1 °C). About a quarter of the time, the high temperature is less than 53.5 °F (11.9 °C), and another quarter of the time, the high temperature is greater than and 69.9 °F (21.1 °C). About 95% of the time, the high temperature has been between 37.8 °F (3.2 °C) and 85.6 °F (29.8 °C).
Low Temperatures
On October 4 in WILMETTE (CGS) the average low temperature is 43.8 °F (6.6 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 1989 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1990. The low temperature is usually* between 38.5 °F (3.6 °C) and 49.1 °F (9.5 °C). About a quarter of the time, the low temperature is less than 38.5 °F (3.6 °C), and another quarter of the time, the low temperature is greater than and 49.1 °F (9.5 °C). About 95% of the time, the low temperature has been between 28.4 °F (-2.0 °C) and 59.2 °F (15.1 °C).
Frost
On October 4 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 6.6% 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