Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 14 in WILMETTE (CGS) the average high temperature is 80.8 °F (27.1 °C). The lowest recored high temperature was 70.9 °F (21.6 °C) in 1990 and the highest recored high temperature was 92.8 °F (33.8 °C) in 1988. The high temperature is usually* between 74.8 °F (23.8 °C) and 86.8 °F (30.4 °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 86.8 °F (30.4 °C). About 95% of the time, the high temperature has been between 63.4 °F (17.5 °C) and 98.2 °F (36.8 °C).
Low Temperatures
On August 14 in WILMETTE (CGS) the average low temperature is 66.6 °F (19.2 °C). The lowest recored low temperature was 54.9 °F (12.7 °C) in 1990 and the lowest recored low temperature was 76.8 °F (24.9 °C) in 1988. The low temperature is usually* between 61.2 °F (16.2 °C) and 72.1 °F (22.3 °C). About a quarter of the time, the low temperature is less than 61.2 °F (16.2 °C), and another quarter of the time, the low temperature is greater than and 72.1 °F (22.3 °C). About 95% of the time, the low temperature has been between 50.9 °F (10.5 °C) and 82.4 °F (28.0 °C).
Frost
On August 14 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