- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On June 11 in WILMETTE (CGS) the average high temperature is 71.8 °F (22.1 °C). The lowest recored high temperature was 63.0 °F (17.2 °C) in 1989 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1988. The high temperature is usually* between 63.4 °F (17.4 °C) and 80.3 °F (26.8 °C). About a quarter of the time, the high temperature is less than 63.4 °F (17.4 °C), and another quarter of the time, the high temperature is greater than and 80.3 °F (26.8 °C). About 95% of the time, the high temperature has been between 47.3 °F (8.5 °C) and 96.4 °F (35.8 °C).
Low Temperatures
On June 11 in WILMETTE (CGS) the average low temperature is 57.7 °F (14.3 °C). The lowest recored low temperature was 49.8 °F (9.9 °C) in 1989 and the lowest recored low temperature was 63.9 °F (17.7 °C) in 1987. The low temperature is usually* between 53.4 °F (11.9 °C) and 62.0 °F (16.7 °C). About a quarter of the time, the low temperature is less than 53.4 °F (11.9 °C), and another quarter of the time, the low temperature is greater than and 62.0 °F (16.7 °C). About 95% of the time, the low temperature has been between 45.1 °F (7.3 °C) and 70.2 °F (21.2 °C).
Frost
On June 11 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