- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On October 28 in WILMETTE (CGS) the average high temperature is 58.6 °F (14.8 °C). The lowest recored high temperature was 43.9 °F (6.6 °C) in 1987 and the highest recored high temperature was 72.9 °F (22.7 °C) in 1989. The high temperature is usually* between 51.9 °F (11.1 °C) and 65.4 °F (18.5 °C). About a quarter of the time, the high temperature is less than 51.9 °F (11.1 °C), and another quarter of the time, the high temperature is greater than and 65.4 °F (18.5 °C). About 95% of the time, the high temperature has been between 39.1 °F (3.9 °C) and 78.2 °F (25.7 °C).
Low Temperatures
On October 28 in WILMETTE (CGS) the average low temperature is 39.5 °F (4.2 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 1990 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1989. The low temperature is usually* between 33.3 °F (0.7 °C) and 45.8 °F (7.6 °C). About a quarter of the time, the low temperature is less than 33.3 °F (0.7 °C), and another quarter of the time, the low temperature is greater than and 45.8 °F (7.6 °C). About 95% of the time, the low temperature has been between 21.4 °F (-5.9 °C) and 57.6 °F (14.2 °C).
Frost
On October 28 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 20.9% 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:
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1990