- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On October 20 in WILMETTE (MARINES)& the average high temperature is 58.0 °F (14.5 °C). The lowest recored high temperature was 43.0 °F (6.1 °C) in 1976 and the highest recored high temperature was 77.9 °F (25.5 °C) in 1995. The high temperature is usually* between 47.9 °F (8.8 °C) and 68.1 °F (20.1 °C). About a quarter of the time, the high temperature is less than 47.9 °F (8.8 °C), and another quarter of the time, the high temperature is greater than and 68.1 °F (20.1 °C). About 95% of the time, the high temperature has been between 28.7 °F (-1.9 °C) and 87.4 °F (30.8 °C).
Low Temperatures
On October 20 in WILMETTE (MARINES)& the average low temperature is 40.2 °F (4.6 °C). The lowest recored low temperature was 30.2 °F (-1.0 °C) in 1976 and the lowest recored low temperature was 43.9 °F (6.6 °C) in 1995. The low temperature is usually* between 35.0 °F (1.6 °C) and 45.5 °F (7.5 °C). About a quarter of the time, the low temperature is less than 35.0 °F (1.6 °C), and another quarter of the time, the low temperature is greater than and 45.5 °F (7.5 °C). About 95% of the time, the low temperature has been between 24.9 °F (-3.9 °C) and 55.5 °F (13.1 °C).
Frost
On October 20 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 14.6% 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