- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On June 25 in WILMETTE (CGS) the average high temperature is 79.0 °F (26.1 °C). The lowest recored high temperature was 70.9 °F (21.6 °C) in 1989 and the highest recored high temperature was 102.9 °F (39.4 °C) in 1988. The high temperature is usually* between 72.6 °F (22.5 °C) and 85.4 °F (29.7 °C). About a quarter of the time, the high temperature is less than 72.6 °F (22.5 °C), and another quarter of the time, the high temperature is greater than and 85.4 °F (29.7 °C). About 95% of the time, the high temperature has been between 60.3 °F (15.7 °C) and 97.7 °F (36.5 °C).
Low Temperatures
On June 25 in WILMETTE (CGS) the average low temperature is 64.8 °F (18.2 °C). The lowest recored low temperature was 55.9 °F (13.3 °C) in 1990 and the lowest recored low temperature was 83.8 °F (28.8 °C) in 1988. The low temperature is usually* between 58.2 °F (14.6 °C) and 71.4 °F (21.9 °C). About a quarter of the time, the low temperature is less than 58.2 °F (14.6 °C), and another quarter of the time, the low temperature is greater than and 71.4 °F (21.9 °C). About 95% of the time, the low temperature has been between 45.7 °F (7.6 °C) and 83.9 °F (28.8 °C).
Frost
On June 25 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 1988 to 1990