Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 19 in WILMETTE (CGS) the average high temperature is 82.1 °F (27.8 °C). The lowest recored high temperature was 75.9 °F (24.4 °C) in 1987 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1990. The high temperature is usually* between 76.8 °F (24.9 °C) and 87.5 °F (30.8 °C). About a quarter of the time, the high temperature is less than 76.8 °F (24.9 °C), and another quarter of the time, the high temperature is greater than and 87.5 °F (30.8 °C). About 95% of the time, the high temperature has been between 66.5 °F (19.2 °C) and 97.7 °F (36.5 °C).
Low Temperatures
On August 19 in WILMETTE (CGS) the average low temperature is 66.7 °F (19.3 °C). The lowest recored low temperature was 61.9 °F (16.6 °C) in 1989 and the lowest recored low temperature was 67.8 °F (19.9 °C) in 1990. The low temperature is usually* between 64.9 °F (18.3 °C) and 68.5 °F (20.3 °C). About a quarter of the time, the low temperature is less than 64.9 °F (18.3 °C), and another quarter of the time, the low temperature is greater than and 68.5 °F (20.3 °C). About 95% of the time, the low temperature has been between 61.6 °F (16.4 °C) and 71.8 °F (22.1 °C).
Frost
On August 19 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