Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On June 15 in WILMETTE (CGS) the average high temperature is 74.4 °F (23.5 °C). The lowest recored high temperature was 56.8 °F (13.8 °C) in 1989 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1988. The high temperature is usually* between 65.9 °F (18.8 °C) and 82.8 °F (28.2 °C). About a quarter of the time, the high temperature is less than 65.9 °F (18.8 °C), and another quarter of the time, the high temperature is greater than and 82.8 °F (28.2 °C). About 95% of the time, the high temperature has been between 49.7 °F (9.8 °C) and 99.0 °F (37.2 °C).
Low Temperatures
On June 15 in WILMETTE (CGS) the average low temperature is 62.7 °F (17.0 °C). The lowest recored low temperature was 52.0 °F (11.1 °C) in 1989 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 1988. The low temperature is usually* between 57.3 °F (14.1 °C) and 68.0 °F (20.0 °C). About a quarter of the time, the low temperature is less than 57.3 °F (14.1 °C), and another quarter of the time, the low temperature is greater than and 68.0 °F (20.0 °C). About 95% of the time, the low temperature has been between 47.1 °F (8.4 °C) and 78.3 °F (25.7 °C).
Frost
On June 15 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