- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 20 in WILMETTE (MARINES)& the average high temperature is 76.2 °F (24.6 °C). The lowest recored high temperature was 61.9 °F (16.6 °C) in 1994 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1977. The high temperature is usually* between 67.9 °F (19.9 °C) and 84.6 °F (29.2 °C). About a quarter of the time, the high temperature is less than 67.9 °F (19.9 °C), and another quarter of the time, the high temperature is greater than and 84.6 °F (29.2 °C). About 95% of the time, the high temperature has been between 51.9 °F (11.1 °C) and 100.5 °F (38.0 °C).
Low Temperatures
On May 20 in WILMETTE (MARINES)& the average low temperature is 51.4 °F (10.8 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 1994 and the lowest recored low temperature was 62.1 °F (16.7 °C) in 1977. The low temperature is usually* between 43.2 °F (6.2 °C) and 59.6 °F (15.3 °C). About a quarter of the time, the low temperature is less than 43.2 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.3 °C). About 95% of the time, the low temperature has been between 27.7 °F (-2.4 °C) and 75.1 °F (24.0 °C).
Frost
On May 20 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 5.5% 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 1994