- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On February 17 in WILMETTE (CGS) the average high temperature is 32.7 °F (0.4 °C). The lowest recored high temperature was 25.2 °F (-3.8 °C) in 1990 and the highest recored high temperature was 34.0 °F (1.1 °C) in 1988. The high temperature is usually* between 28.6 °F (-1.9 °C) and 36.7 °F (2.6 °C). About a quarter of the time, the high temperature is less than 28.6 °F (-1.9 °C), and another quarter of the time, the high temperature is greater than and 36.7 °F (2.6 °C). About 95% of the time, the high temperature has been between 21.0 °F (-6.1 °C) and 44.4 °F (6.9 °C).
Low Temperatures
On February 17 in WILMETTE (CGS) the average low temperature is 20.3 °F (-6.5 °C). The lowest recored low temperature was 13.1 °F (-10.5 °C) in 1990 and the lowest recored low temperature was 26.1 °F (-3.3 °C) in 1988. The low temperature is usually* between 17.1 °F (-8.3 °C) and 23.6 °F (-4.7 °C). About a quarter of the time, the low temperature is less than 17.1 °F (-8.3 °C), and another quarter of the time, the low temperature is greater than and 23.6 °F (-4.7 °C). About 95% of the time, the low temperature has been between 10.9 °F (-11.7 °C) and 29.7 °F (-1.3 °C).
Frost
On February 17 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 99.3% 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