Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On October 9 in WILMETTE (CGS) the average high temperature is 55.1 °F (12.9 °C). The lowest recored high temperature was 48.9 °F (9.4 °C) in 1990 and the highest recored high temperature was 56.8 °F (13.8 °C) in 1988. The high temperature is usually* between 52.5 °F (11.4 °C) and 57.8 °F (14.3 °C). About a quarter of the time, the high temperature is less than 52.5 °F (11.4 °C), and another quarter of the time, the high temperature is greater than and 57.8 °F (14.3 °C). About 95% of the time, the high temperature has been between 47.4 °F (8.6 °C) and 62.9 °F (17.1 °C).
Low Temperatures
On October 9 in WILMETTE (CGS) the average low temperature is 43.3 °F (6.3 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 1989 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1988. The low temperature is usually* between 39.1 °F (4.0 °C) and 47.5 °F (8.6 °C). About a quarter of the time, the low temperature is less than 39.1 °F (4.0 °C), and another quarter of the time, the low temperature is greater than and 47.5 °F (8.6 °C). About 95% of the time, the low temperature has been between 31.2 °F (-0.5 °C) and 55.5 °F (13.0 °C).
Frost
On October 9 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 3.4% 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