Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 30 in WILMETTE (CGS) the average high temperature is 76.4 °F (24.7 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1988 and the highest recored high temperature was 79.9 °F (26.6 °C) in 1987. The high temperature is usually* between 73.1 °F (22.9 °C) and 79.6 °F (26.5 °C). About a quarter of the time, the high temperature is less than 73.1 °F (22.9 °C), and another quarter of the time, the high temperature is greater than and 79.6 °F (26.5 °C). About 95% of the time, the high temperature has been between 66.9 °F (19.4 °C) and 85.8 °F (29.9 °C).
Low Temperatures
On August 30 in WILMETTE (CGS) the average low temperature is 61.8 °F (16.5 °C). The lowest recored low temperature was 56.8 °F (13.8 °C) in 1988 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1990. The low temperature is usually* between 59.1 °F (15.0 °C) and 64.4 °F (18.0 °C). About a quarter of the time, the low temperature is less than 59.1 °F (15.0 °C), and another quarter of the time, the low temperature is greater than and 64.4 °F (18.0 °C). About 95% of the time, the low temperature has been between 54.0 °F (12.2 °C) and 69.5 °F (20.8 °C).
Frost
On August 30 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