- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 20 in WILMETTE (MARINES)& the average high temperature is 81.7 °F (27.6 °C). The lowest recored high temperature was 77.9 °F (25.5 °C) in 1995 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1976. The high temperature is usually* between 79.9 °F (26.6 °C) and 83.6 °F (28.7 °C). About a quarter of the time, the high temperature is less than 79.9 °F (26.6 °C), and another quarter of the time, the high temperature is greater than and 83.6 °F (28.7 °C). About 95% of the time, the high temperature has been between 76.4 °F (24.7 °C) and 87.1 °F (30.6 °C).
Low Temperatures
On August 20 in WILMETTE (MARINES)& the average low temperature is 60.5 °F (15.9 °C). The lowest recored low temperature was 55.0 °F (12.8 °C) in 1976 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 1995. The low temperature is usually* between 54.8 °F (12.7 °C) and 66.3 °F (19.1 °C). About a quarter of the time, the low temperature is less than 54.8 °F (12.7 °C), and another quarter of the time, the low temperature is greater than and 66.3 °F (19.1 °C). About 95% of the time, the low temperature has been between 43.8 °F (6.6 °C) and 77.3 °F (25.1 °C).
Frost
On August 20 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