Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On July 11 in WILMETTE (CGS) the average high temperature is 78.6 °F (25.9 °C). The lowest recored high temperature was 68.9 °F (20.5 °C) in 1990 and the highest recored high temperature was 74.8 °F (23.8 °C) in 1989. The high temperature is usually* between 71.2 °F (21.8 °C) and 86.0 °F (30.0 °C). About a quarter of the time, the high temperature is less than 71.2 °F (21.8 °C), and another quarter of the time, the high temperature is greater than and 86.0 °F (30.0 °C). About 95% of the time, the high temperature has been between 57.0 °F (13.9 °C) and 100.1 °F (37.9 °C).
Low Temperatures
On July 11 in WILMETTE (CGS) the average low temperature is 67.8 °F (19.9 °C). The lowest recored low temperature was 59.9 °F (15.5 °C) in 1990 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1989. The low temperature is usually* between 63.9 °F (17.7 °C) and 71.7 °F (22.1 °C). About a quarter of the time, the low temperature is less than 63.9 °F (17.7 °C), and another quarter of the time, the low temperature is greater than and 71.7 °F (22.1 °C). About 95% of the time, the low temperature has been between 56.4 °F (13.5 °C) and 79.2 °F (26.2 °C).
Frost
On July 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 1989 to 1990