Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 1 in WILMETTE (CGS) the average high temperature is 78.8 °F (26.0 °C). The lowest recored high temperature was 72.0 °F (22.2 °C) in 1990 and the highest recored high temperature was 73.9 °F (23.3 °C) in 1989. The high temperature is usually* between 72.9 °F (22.7 °C) and 84.8 °F (29.3 °C). About a quarter of the time, the high temperature is less than 72.9 °F (22.7 °C), and another quarter of the time, the high temperature is greater than and 84.8 °F (29.3 °C). About 95% of the time, the high temperature has been between 61.5 °F (16.4 °C) and 96.1 °F (35.6 °C).
Low Temperatures
On August 1 in WILMETTE (CGS) the average low temperature is 66.9 °F (19.4 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 1990 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1989. The low temperature is usually* between 59.3 °F (15.2 °C) and 74.6 °F (23.7 °C). About a quarter of the time, the low temperature is less than 59.3 °F (15.2 °C), and another quarter of the time, the low temperature is greater than and 74.6 °F (23.7 °C). About 95% of the time, the low temperature has been between 44.8 °F (7.1 °C) and 89.1 °F (31.7 °C).
Frost
On August 1 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.1% 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 1989 to 1990