- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 9 in WILMETTE (CGS) the average high temperature is 40.0 °F (4.5 °C). The lowest recored high temperature was 34.0 °F (1.1 °C) in 1989 and the highest recored high temperature was 52.0 °F (11.1 °C) in 1990. The high temperature is usually* between 34.1 °F (1.2 °C) and 46.0 °F (7.8 °C). About a quarter of the time, the high temperature is less than 34.1 °F (1.2 °C), and another quarter of the time, the high temperature is greater than and 46.0 °F (7.8 °C). About 95% of the time, the high temperature has been between 22.8 °F (-5.1 °C) and 57.3 °F (14.1 °C).
Low Temperatures
On March 9 in WILMETTE (CGS) the average low temperature is 31.0 °F (-0.5 °C). The lowest recored low temperature was 25.2 °F (-3.8 °C) in 1989 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 1988. The low temperature is usually* between 27.0 °F (-2.8 °C) and 35.1 °F (1.7 °C). About a quarter of the time, the low temperature is less than 27.0 °F (-2.8 °C), and another quarter of the time, the low temperature is greater than and 35.1 °F (1.7 °C). About 95% of the time, the low temperature has been between 19.3 °F (-7.0 °C) and 42.7 °F (6.0 °C).
Frost
On March 9 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 56.5% 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