Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On April 17 in WILMETTE (CGS) the average high temperature is 55.2 °F (12.9 °C). The lowest recored high temperature was 52.9 °F (11.6 °C) in 1990 and the highest recored high temperature was 72.0 °F (22.2 °C) in 1988. The high temperature is usually* between 47.4 °F (8.5 °C) and 63.1 °F (17.3 °C). About a quarter of the time, the high temperature is less than 47.4 °F (8.5 °C), and another quarter of the time, the high temperature is greater than and 63.1 °F (17.3 °C). About 95% of the time, the high temperature has been between 32.4 °F (0.2 °C) and 78.0 °F (25.6 °C).
Low Temperatures
On April 17 in WILMETTE (CGS) the average low temperature is 37.0 °F (2.8 °C). The lowest recored low temperature was 32.9 °F (0.5 °C) in 1990 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 1988. The low temperature is usually* between 33.9 °F (1.0 °C) and 40.2 °F (4.6 °C). About a quarter of the time, the low temperature is less than 33.9 °F (1.0 °C), and another quarter of the time, the low temperature is greater than and 40.2 °F (4.6 °C). About 95% of the time, the low temperature has been between 27.9 °F (-2.3 °C) and 46.2 °F (7.9 °C).
Frost
On April 17 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 14.1% 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