Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 11 in WILMETTE (CGS) the average high temperature is 55.0 °F (12.8 °C). The lowest recored high temperature was 50.9 °F (10.5 °C) in 1989 and the highest recored high temperature was 54.9 °F (12.7 °C) in 1988. The high temperature is usually* between 51.7 °F (10.9 °C) and 58.3 °F (14.6 °C). About a quarter of the time, the high temperature is less than 51.7 °F (10.9 °C), and another quarter of the time, the high temperature is greater than and 58.3 °F (14.6 °C). About 95% of the time, the high temperature has been between 45.3 °F (7.4 °C) and 64.7 °F (18.2 °C).
Low Temperatures
On May 11 in WILMETTE (CGS) the average low temperature is 44.7 °F (7.1 °C). The lowest recored low temperature was 39.9 °F (4.4 °C) in 1990 and the lowest recored low temperature was 45.9 °F (7.7 °C) in 1988. The low temperature is usually* between 40.9 °F (4.9 °C) and 48.6 °F (9.2 °C). About a quarter of the time, the low temperature is less than 40.9 °F (4.9 °C), and another quarter of the time, the low temperature is greater than and 48.6 °F (9.2 °C). About 95% of the time, the low temperature has been between 33.5 °F (0.8 °C) and 55.9 °F (13.3 °C).
Frost
On May 11 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 1.3% 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