- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 23 in WILMETTE (CGS) the average high temperature is 63.4 °F (17.4 °C). The lowest recored high temperature was 55.9 °F (13.3 °C) in 1990 and the highest recored high temperature was 64.9 °F (18.3 °C) in 1989. The high temperature is usually* between 57.0 °F (13.9 °C) and 69.8 °F (21.0 °C). About a quarter of the time, the high temperature is less than 57.0 °F (13.9 °C), and another quarter of the time, the high temperature is greater than and 69.8 °F (21.0 °C). About 95% of the time, the high temperature has been between 44.8 °F (7.1 °C) and 81.9 °F (27.7 °C).
Low Temperatures
On May 23 in WILMETTE (CGS) the average low temperature is 52.3 °F (11.3 °C). The lowest recored low temperature was 45.0 °F (7.2 °C) in 1990 and the lowest recored low temperature was 50.9 °F (10.5 °C) in 1989. The low temperature is usually* between 48.3 °F (9.1 °C) and 56.2 °F (13.4 °C). About a quarter of the time, the low temperature is less than 48.3 °F (9.1 °C), and another quarter of the time, the low temperature is greater than and 56.2 °F (13.4 °C). About 95% of the time, the low temperature has been between 40.9 °F (4.9 °C) and 63.7 °F (17.6 °C).
Frost
On May 23 in WILMETTE (CGS) 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 (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1989 to 1990