Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 26 in WILMETTE (CGS) the average high temperature is 74.0 °F (23.3 °C). The lowest recored high temperature was 61.9 °F (16.6 °C) in 1987 and the highest recored high temperature was 81.9 °F (27.7 °C) in 1990. The high temperature is usually* between 67.6 °F (19.8 °C) and 80.4 °F (26.9 °C). About a quarter of the time, the high temperature is less than 67.6 °F (19.8 °C), and another quarter of the time, the high temperature is greater than and 80.4 °F (26.9 °C). About 95% of the time, the high temperature has been between 55.4 °F (13.0 °C) and 92.6 °F (33.7 °C).
Low Temperatures
On August 26 in WILMETTE (CGS) the average low temperature is 65.8 °F (18.8 °C). The lowest recored low temperature was 58.8 °F (14.9 °C) in 1987 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1990. The low temperature is usually* between 62.7 °F (17.0 °C) and 68.9 °F (20.5 °C). About a quarter of the time, the low temperature is less than 62.7 °F (17.0 °C), and another quarter of the time, the low temperature is greater than and 68.9 °F (20.5 °C). About 95% of the time, the low temperature has been between 56.7 °F (13.7 °C) and 74.9 °F (23.8 °C).
Frost
On August 26 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