- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On September 25 in WILMETTE (MARINES)& the average high temperature is 67.3 °F (19.6 °C). The lowest recored high temperature was 61.0 °F (16.1 °C) in 1976 and the highest recored high temperature was 81.0 °F (27.2 °C) in 1977. The high temperature is usually* between 61.2 °F (16.2 °C) and 73.4 °F (23.0 °C). About a quarter of the time, the high temperature is less than 61.2 °F (16.2 °C), and another quarter of the time, the high temperature is greater than and 73.4 °F (23.0 °C). About 95% of the time, the high temperature has been between 49.6 °F (9.8 °C) and 85.1 °F (29.5 °C).
Low Temperatures
On September 25 in WILMETTE (MARINES)& the average low temperature is 51.1 °F (10.6 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 1976 and the lowest recored low temperature was 57.9 °F (14.4 °C) in 1977. The low temperature is usually* between 45.5 °F (7.5 °C) and 56.8 °F (13.8 °C). About a quarter of the time, the low temperature is less than 45.5 °F (7.5 °C), and another quarter of the time, the low temperature is greater than and 56.8 °F (13.8 °C). About 95% of the time, the low temperature has been between 34.6 °F (1.5 °C) and 67.7 °F (19.8 °C).
Frost
On September 25 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 1.2% 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