- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 28 in WILMETTE (CGS) the average high temperature is 68.0 °F (20.0 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1990 and the highest recored high temperature was 79.9 °F (26.6 °C) in 1988. The high temperature is usually* between 60.2 °F (15.7 °C) and 75.8 °F (24.3 °C). About a quarter of the time, the high temperature is less than 60.2 °F (15.7 °C), and another quarter of the time, the high temperature is greater than and 75.8 °F (24.3 °C). About 95% of the time, the high temperature has been between 45.4 °F (7.4 °C) and 90.7 °F (32.6 °C).
Low Temperatures
On May 28 in WILMETTE (CGS) the average low temperature is 53.8 °F (12.1 °C). The lowest recored low temperature was 50.9 °F (10.5 °C) in 1990 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 1988. The low temperature is usually* between 48.0 °F (8.9 °C) and 59.7 °F (15.4 °C). About a quarter of the time, the low temperature is less than 48.0 °F (8.9 °C), and another quarter of the time, the low temperature is greater than and 59.7 °F (15.4 °C). About 95% of the time, the low temperature has been between 36.8 °F (2.7 °C) and 70.9 °F (21.6 °C).
Frost
On May 28 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.6% 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 (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1990