Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 30 in WILMETTE (CGS) the average high temperature is 45.5 °F (7.5 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 1989 and the highest recored high temperature was 45.0 °F (7.2 °C) in 1990. The high temperature is usually* between 39.3 °F (4.1 °C) and 51.7 °F (11.0 °C). About a quarter of the time, the high temperature is less than 39.3 °F (4.1 °C), and another quarter of the time, the high temperature is greater than and 51.7 °F (11.0 °C). About 95% of the time, the high temperature has been between 27.5 °F (-2.5 °C) and 63.6 °F (17.6 °C).
Low Temperatures
On March 30 in WILMETTE (CGS) the average low temperature is 36.4 °F (2.5 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 1989 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 1990. The low temperature is usually* between 34.9 °F (1.6 °C) and 38.0 °F (3.3 °C). About a quarter of the time, the low temperature is less than 34.9 °F (1.6 °C), and another quarter of the time, the low temperature is greater than and 38.0 °F (3.3 °C). About 95% of the time, the low temperature has been between 31.9 °F (-0.0 °C) and 40.9 °F (4.9 °C).
Frost
On March 30 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 2.7% 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 1989 to 1990