Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On July 30 in WILMETTE (CGS) the average high temperature is 80.2 °F (26.8 °C). The lowest recored high temperature was 72.0 °F (22.2 °C) in 1989 and the highest recored high temperature was 90.0 °F (32.2 °C) in 1988. The high temperature is usually* between 75.0 °F (23.9 °C) and 85.4 °F (29.7 °C). About a quarter of the time, the high temperature is less than 75.0 °F (23.9 °C), and another quarter of the time, the high temperature is greater than and 85.4 °F (29.7 °C). About 95% of the time, the high temperature has been between 65.0 °F (18.4 °C) and 95.3 °F (35.2 °C).
Low Temperatures
On July 30 in WILMETTE (CGS) the average low temperature is 69.1 °F (20.6 °C). The lowest recored low temperature was 66.9 °F (19.4 °C) in 1990 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1988. The low temperature is usually* between 65.1 °F (18.4 °C) and 73.1 °F (22.8 °C). About a quarter of the time, the low temperature is less than 65.1 °F (18.4 °C), and another quarter of the time, the low temperature is greater than and 73.1 °F (22.8 °C). About 95% of the time, the low temperature has been between 57.4 °F (14.1 °C) and 80.7 °F (27.1 °C).
Frost
On July 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