- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On July 21 in WILMETTE (MARINES)& the average high temperature is 82.2 °F (27.9 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1995 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1977. The high temperature is usually* between 78.7 °F (25.9 °C) and 85.7 °F (29.8 °C). About a quarter of the time, the high temperature is less than 78.7 °F (25.9 °C), and another quarter of the time, the high temperature is greater than and 85.7 °F (29.8 °C). About 95% of the time, the high temperature has been between 72.0 °F (22.2 °C) and 92.4 °F (33.5 °C).
Low Temperatures
On July 21 in WILMETTE (MARINES)& the average low temperature is 67.9 °F (20.0 °C). The lowest recored low temperature was 69.1 °F (20.6 °C) in 1976 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1977. The low temperature is usually* between 65.0 °F (18.3 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the low temperature is less than 65.0 °F (18.3 °C), and another quarter of the time, the low temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the low temperature has been between 59.3 °F (15.2 °C) and 76.5 °F (24.7 °C).
Frost
On July 21 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