Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On January 20 in WILMETTE (CGS) the average high temperature is 36.6 °F (2.6 °C). The lowest recored high temperature was 34.0 °F (1.1 °C) in 1990 and the highest recored high temperature was 43.9 °F (6.6 °C) in 1989. The high temperature is usually* between 32.2 °F (0.1 °C) and 41.0 °F (5.0 °C). About a quarter of the time, the high temperature is less than 32.2 °F (0.1 °C), and another quarter of the time, the high temperature is greater than and 41.0 °F (5.0 °C). About 95% of the time, the high temperature has been between 23.8 °F (-4.6 °C) and 49.4 °F (9.7 °C).
Low Temperatures
On January 20 in WILMETTE (CGS) the average low temperature is 26.6 °F (-3.0 °C). The lowest recored low temperature was 25.2 °F (-3.8 °C) in 1991 and the lowest recored low temperature was 32.9 °F (0.5 °C) in 1990. The low temperature is usually* between 22.7 °F (-5.2 °C) and 30.6 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 22.7 °F (-5.2 °C), and another quarter of the time, the low temperature is greater than and 30.6 °F (-0.8 °C). About 95% of the time, the low temperature has been between 15.1 °F (-9.4 °C) and 38.2 °F (3.4 °C).
Frost
On January 20 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 81.8% 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