Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On July 27 in WILMETTE (CGS) the average high temperature is 79.9 °F (26.6 °C). The lowest recored high temperature was 72.9 °F (22.7 °C) in 1990 and the highest recored high temperature was 90.0 °F (32.2 °C) in 1989. The high temperature is usually* between 74.8 °F (23.8 °C) and 85.0 °F (29.4 °C). About a quarter of the time, the high temperature is less than 74.8 °F (23.8 °C), and another quarter of the time, the high temperature is greater than and 85.0 °F (29.4 °C). About 95% of the time, the high temperature has been between 65.1 °F (18.4 °C) and 94.7 °F (34.8 °C).
Low Temperatures
On July 27 in WILMETTE (CGS) the average low temperature is 69.4 °F (20.8 °C). The lowest recored low temperature was 61.9 °F (16.6 °C) in 1990 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 1989. The low temperature is usually* between 65.4 °F (18.6 °C) and 73.5 °F (23.0 °C). About a quarter of the time, the low temperature is less than 65.4 °F (18.6 °C), and another quarter of the time, the low temperature is greater than and 73.5 °F (23.0 °C). About 95% of the time, the low temperature has been between 57.8 °F (14.3 °C) and 81.1 °F (27.3 °C).
Frost
On July 27 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