- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On April 11 in WILMETTE (CGS) the average high temperature is 44.1 °F (6.7 °C). The lowest recored high temperature was 38.8 °F (3.8 °C) in 1990 and the highest recored high temperature was 47.8 °F (8.8 °C) in 1989. The high temperature is usually* between 40.8 °F (4.9 °C) and 47.4 °F (8.5 °C). About a quarter of the time, the high temperature is less than 40.8 °F (4.9 °C), and another quarter of the time, the high temperature is greater than and 47.4 °F (8.5 °C). About 95% of the time, the high temperature has been between 34.5 °F (1.4 °C) and 53.7 °F (12.0 °C).
Low Temperatures
On April 11 in WILMETTE (CGS) the average low temperature is 33.8 °F (1.0 °C). The lowest recored low temperature was 29.1 °F (-1.6 °C) in 1989 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 1988. The low temperature is usually* between 29.3 °F (-1.5 °C) and 38.4 °F (3.6 °C). About a quarter of the time, the low temperature is less than 29.3 °F (-1.5 °C), and another quarter of the time, the low temperature is greater than and 38.4 °F (3.6 °C). About 95% of the time, the low temperature has been between 20.5 °F (-6.4 °C) and 47.2 °F (8.4 °C).
Frost
On April 11 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 39.3% 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