Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On February 18 in WILMETTE (CGS) the average high temperature is 32.9 °F (0.5 °C). The lowest recored high temperature was 28.0 °F (-2.2 °C) in 1989 and the highest recored high temperature was 41.9 °F (5.5 °C) in 1990. The high temperature is usually* between 28.9 °F (-1.7 °C) and 36.9 °F (2.7 °C). About a quarter of the time, the high temperature is less than 28.9 °F (-1.7 °C), and another quarter of the time, the high temperature is greater than and 36.9 °F (2.7 °C). About 95% of the time, the high temperature has been between 21.2 °F (-6.0 °C) and 44.5 °F (7.0 °C).
Low Temperatures
On February 18 in WILMETTE (CGS) the average low temperature is 21.8 °F (-5.7 °C). The lowest recored low temperature was 15.1 °F (-9.4 °C) in 1989 and the lowest recored low temperature was 25.2 °F (-3.8 °C) in 1990. The low temperature is usually* between 18.5 °F (-7.5 °C) and 25.1 °F (-3.8 °C). About a quarter of the time, the low temperature is less than 18.5 °F (-7.5 °C), and another quarter of the time, the low temperature is greater than and 25.1 °F (-3.8 °C). About 95% of the time, the low temperature has been between 12.1 °F (-11.0 °C) and 31.4 °F (-0.3 °C).
Frost
On February 18 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 98.1% 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