Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 12 in WILMETTE (CGS) the average high temperature is 76.9 °F (24.9 °C). The lowest recored high temperature was 68.9 °F (20.5 °C) in 1990 and the highest recored high temperature was 81.9 °F (27.7 °C) in 1988. The high temperature is usually* between 72.7 °F (22.6 °C) and 81.1 °F (27.3 °C). About a quarter of the time, the high temperature is less than 72.7 °F (22.6 °C), and another quarter of the time, the high temperature is greater than and 81.1 °F (27.3 °C). About 95% of the time, the high temperature has been between 64.6 °F (18.1 °C) and 89.2 °F (31.8 °C).
Low Temperatures
On August 12 in WILMETTE (CGS) the average low temperature is 68.2 °F (20.1 °C). The lowest recored low temperature was 65.8 °F (18.8 °C) in 1990 and the lowest recored low temperature was 77.9 °F (25.5 °C) in 1988. The low temperature is usually* between 64.8 °F (18.2 °C) and 71.7 °F (22.1 °C). About a quarter of the time, the low temperature is less than 64.8 °F (18.2 °C), and another quarter of the time, the low temperature is greater than and 71.7 °F (22.1 °C). About 95% of the time, the low temperature has been between 58.1 °F (14.5 °C) and 78.3 °F (25.7 °C).
Frost
On August 12 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