Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 17 in WILMETTE (CGS) the average high temperature is 45.1 °F (7.3 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1989 and the highest recored high temperature was 59.9 °F (15.5 °C) in 1990. The high temperature is usually* between 37.3 °F (2.9 °C) and 53.0 °F (11.7 °C). About a quarter of the time, the high temperature is less than 37.3 °F (2.9 °C), and another quarter of the time, the high temperature is greater than and 53.0 °F (11.7 °C). About 95% of the time, the high temperature has been between 22.3 °F (-5.4 °C) and 68.0 °F (20.0 °C).
Low Temperatures
On March 17 in WILMETTE (CGS) the average low temperature is 30.6 °F (-0.8 °C). The lowest recored low temperature was 30.0 °F (-1.1 °C) in 1989 and the lowest recored low temperature was 38.8 °F (3.8 °C) in 1990. The low temperature is usually* between 25.8 °F (-3.5 °C) and 35.4 °F (1.9 °C). About a quarter of the time, the low temperature is less than 25.8 °F (-3.5 °C), and another quarter of the time, the low temperature is greater than and 35.4 °F (1.9 °C). About 95% of the time, the low temperature has been between 16.6 °F (-8.5 °C) and 44.6 °F (7.0 °C).
Frost
On March 17 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 57.8% 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 1990