- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On August 18 in WILMETTE (MARINES)& the average high temperature is 78.5 °F (25.8 °C). The lowest recored high temperature was 77.0 °F (25.0 °C) in 1994 and the highest recored high temperature was 81.0 °F (27.2 °C) in 1995. The high temperature is usually* between 76.0 °F (24.5 °C) and 81.0 °F (27.2 °C). About a quarter of the time, the high temperature is less than 76.0 °F (24.5 °C), and another quarter of the time, the high temperature is greater than and 81.0 °F (27.2 °C). About 95% of the time, the high temperature has been between 71.2 °F (21.8 °C) and 85.8 °F (29.9 °C).
Low Temperatures
On August 18 in WILMETTE (MARINES)& the average low temperature is 61.7 °F (16.5 °C). The lowest recored low temperature was 59.9 °F (15.5 °C) in 1994 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 1976. The low temperature is usually* between 54.8 °F (12.6 °C) and 68.6 °F (20.3 °C). About a quarter of the time, the low temperature is less than 54.8 °F (12.6 °C), and another quarter of the time, the low temperature is greater than and 68.6 °F (20.3 °C). About 95% of the time, the low temperature has been between 41.6 °F (5.3 °C) and 81.7 °F (27.6 °C).
Frost
On August 18 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 0.2% 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