Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On January 18 in WILMETTE (CGS) the average high temperature is 40.3 °F (4.6 °C). The lowest recored high temperature was 29.1 °F (-1.6 °C) in 1991 and the highest recored high temperature was 43.9 °F (6.6 °C) in 1989. The high temperature is usually* between 35.0 °F (1.7 °C) and 45.5 °F (7.5 °C). About a quarter of the time, the high temperature is less than 35.0 °F (1.7 °C), and another quarter of the time, the high temperature is greater than and 45.5 °F (7.5 °C). About 95% of the time, the high temperature has been between 25.0 °F (-3.9 °C) and 55.5 °F (13.1 °C).
Low Temperatures
On January 18 in WILMETTE (CGS) the average low temperature is 29.1 °F (-1.6 °C). The lowest recored low temperature was 16.2 °F (-8.8 °C) in 1991 and the lowest recored low temperature was 34.0 °F (1.1 °C) in 1989. The low temperature is usually* between 25.8 °F (-3.4 °C) and 32.4 °F (0.2 °C). About a quarter of the time, the low temperature is less than 25.8 °F (-3.4 °C), and another quarter of the time, the low temperature is greater than and 32.4 °F (0.2 °C). About 95% of the time, the low temperature has been between 19.6 °F (-6.9 °C) and 38.6 °F (3.7 °C).
Frost
On January 18 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 72.4% 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 1991