Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On February 21 in WILMETTE (CGS) the average high temperature is 36.6 °F (2.6 °C). The lowest recored high temperature was 27.1 °F (-2.7 °C) in 1988 and the highest recored high temperature was 47.8 °F (8.8 °C) in 1990. The high temperature is usually* between 31.1 °F (-0.5 °C) and 42.1 °F (5.6 °C). About a quarter of the time, the high temperature is less than 31.1 °F (-0.5 °C), and another quarter of the time, the high temperature is greater than and 42.1 °F (5.6 °C). About 95% of the time, the high temperature has been between 20.7 °F (-6.3 °C) and 52.6 °F (11.4 °C).
Low Temperatures
On February 21 in WILMETTE (CGS) the average low temperature is 19.6 °F (-6.9 °C). The lowest recored low temperature was 4.1 °F (-15.5 °C) in 1988 and the lowest recored low temperature was 28.0 °F (-2.2 °C) in 1990. The low temperature is usually* between 13.8 °F (-10.1 °C) and 25.5 °F (-3.6 °C). About a quarter of the time, the low temperature is less than 13.8 °F (-10.1 °C), and another quarter of the time, the low temperature is greater than and 25.5 °F (-3.6 °C). About 95% of the time, the low temperature has been between 2.7 °F (-16.3 °C) and 36.6 °F (2.5 °C).
Frost
On February 21 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 92.4% 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 1990