- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On September 12 in WILMETTE (MARINES)& the average high temperature is 76.7 °F (24.8 °C). The lowest recored high temperature was 69.1 °F (20.6 °C) in 1977 and the highest recored high temperature was 83.8 °F (28.8 °C) in 1994. The high temperature is usually* between 71.5 °F (22.0 °C) and 81.9 °F (27.7 °C). About a quarter of the time, the high temperature is less than 71.5 °F (22.0 °C), and another quarter of the time, the high temperature is greater than and 81.9 °F (27.7 °C). About 95% of the time, the high temperature has been between 61.7 °F (16.5 °C) and 91.7 °F (33.1 °C).
Low Temperatures
On September 12 in WILMETTE (MARINES)& the average low temperature is 58.6 °F (14.8 °C). The lowest recored low temperature was 57.0 °F (13.9 °C) in 1977 and the lowest recored low temperature was 65.8 °F (18.8 °C) in 1995. The low temperature is usually* between 53.2 °F (11.8 °C) and 64.0 °F (17.8 °C). About a quarter of the time, the low temperature is less than 53.2 °F (11.8 °C), and another quarter of the time, the low temperature is greater than and 64.0 °F (17.8 °C). About 95% of the time, the low temperature has been between 42.9 °F (6.1 °C) and 74.3 °F (23.5 °C).
Frost
On September 12 in WILMETTE (MARINES)& 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 (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1995