Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 28 in WILMETTE (CGS) the average high temperature is 75.2 °F (24.0 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1988 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1990. The high temperature is usually* between 68.6 °F (20.3 °C) and 81.8 °F (27.7 °C). About a quarter of the time, the high temperature is less than 68.6 °F (20.3 °C), and another quarter of the time, the high temperature is greater than and 81.8 °F (27.7 °C). About 95% of the time, the high temperature has been between 56.1 °F (13.4 °C) and 94.3 °F (34.6 °C).
Low Temperatures
On August 28 in WILMETTE (CGS) the average low temperature is 65.2 °F (18.4 °C). The lowest recored low temperature was 54.9 °F (12.7 °C) in 1988 and the lowest recored low temperature was 77.9 °F (25.5 °C) in 1990. The low temperature is usually* between 60.8 °F (16.0 °C) and 69.6 °F (20.9 °C). About a quarter of the time, the low temperature is less than 60.8 °F (16.0 °C), and another quarter of the time, the low temperature is greater than and 69.6 °F (20.9 °C). About 95% of the time, the low temperature has been between 52.5 °F (11.4 °C) and 77.9 °F (25.5 °C).
Frost
On August 28 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