Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 17 in WILMETTE (CGS) the average high temperature is 60.9 °F (16.1 °C). The lowest recored high temperature was 49.8 °F (9.9 °C) in 1988 and the highest recored high temperature was 68.9 °F (20.5 °C) in 1990. The high temperature is usually* between 55.2 °F (12.9 °C) and 66.6 °F (19.2 °C). About a quarter of the time, the high temperature is less than 55.2 °F (12.9 °C), and another quarter of the time, the high temperature is greater than and 66.6 °F (19.2 °C). About 95% of the time, the high temperature has been between 44.3 °F (6.9 °C) and 77.5 °F (25.3 °C).
Low Temperatures
On May 17 in WILMETTE (CGS) the average low temperature is 48.3 °F (9.1 °C). The lowest recored low temperature was 43.9 °F (6.6 °C) in 1988 and the lowest recored low temperature was 52.9 °F (11.6 °C) in 1990. The low temperature is usually* between 45.9 °F (7.7 °C) and 50.7 °F (10.4 °C). About a quarter of the time, the low temperature is less than 45.9 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 50.7 °F (10.4 °C). About 95% of the time, the low temperature has been between 41.4 °F (5.2 °C) and 55.3 °F (12.9 °C).
Frost
On May 17 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 1988 to 1990