- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On June 23 in WILMETTE (CGS) the average high temperature is 76.7 °F (24.8 °C). The lowest recored high temperature was 63.9 °F (17.7 °C) in 1990 and the highest recored high temperature was 79.9 °F (26.6 °C) in 1988. The high temperature is usually* between 70.0 °F (21.1 °C) and 83.4 °F (28.6 °C). About a quarter of the time, the high temperature is less than 70.0 °F (21.1 °C), and another quarter of the time, the high temperature is greater than and 83.4 °F (28.6 °C). About 95% of the time, the high temperature has been between 57.1 °F (14.0 °C) and 96.3 °F (35.7 °C).
Low Temperatures
On June 23 in WILMETTE (CGS) the average low temperature is 65.7 °F (18.7 °C). The lowest recored low temperature was 57.9 °F (14.4 °C) in 1990 and the lowest recored low temperature was 72.9 °F (22.7 °C) in 1989. The low temperature is usually* between 59.2 °F (15.1 °C) and 72.3 °F (22.4 °C). About a quarter of the time, the low temperature is less than 59.2 °F (15.1 °C), and another quarter of the time, the low temperature is greater than and 72.3 °F (22.4 °C). About 95% of the time, the low temperature has been between 46.7 °F (8.1 °C) and 84.8 °F (29.3 °C).
Frost
On June 23 in WILMETTE (CGS) 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:
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 to 1990