- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On September 22 in WILMETTE (MARINES)& the average high temperature is 66.7 °F (19.3 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1977 and the highest recored high temperature was 73.9 °F (23.3 °C) in 1977. The high temperature is usually* between 60.7 °F (16.0 °C) and 72.8 °F (22.7 °C). About a quarter of the time, the high temperature is less than 60.7 °F (16.0 °C), and another quarter of the time, the high temperature is greater than and 72.8 °F (22.7 °C). About 95% of the time, the high temperature has been between 49.2 °F (9.6 °C) and 84.3 °F (29.0 °C).
Low Temperatures
On September 22 in WILMETTE (MARINES)& the average low temperature is 47.4 °F (8.6 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 1976 and the lowest recored low temperature was 57.9 °F (14.4 °C) in 1977. The low temperature is usually* between 41.6 °F (5.3 °C) and 53.2 °F (11.8 °C). About a quarter of the time, the low temperature is less than 41.6 °F (5.3 °C), and another quarter of the time, the low temperature is greater than and 53.2 °F (11.8 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 64.4 °F (18.0 °C).
Frost
On September 22 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 3.8% 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 1977