Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 31 in WILMETTE (CGS) the average high temperature is 42.0 °F (5.6 °C). The lowest recored high temperature was 36.9 °F (2.7 °C) in 1989 and the highest recored high temperature was 41.9 °F (5.5 °C) in 1988. The high temperature is usually* between 38.4 °F (3.5 °C) and 45.7 °F (7.6 °C). About a quarter of the time, the high temperature is less than 38.4 °F (3.5 °C), and another quarter of the time, the high temperature is greater than and 45.7 °F (7.6 °C). About 95% of the time, the high temperature has been between 31.4 °F (-0.3 °C) and 52.7 °F (11.5 °C).
Low Temperatures
On March 31 in WILMETTE (CGS) the average low temperature is 35.2 °F (1.8 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 1990 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 1988. The low temperature is usually* between 33.0 °F (0.6 °C) and 37.3 °F (3.0 °C). About a quarter of the time, the low temperature is less than 33.0 °F (0.6 °C), and another quarter of the time, the low temperature is greater than and 37.3 °F (3.0 °C). About 95% of the time, the low temperature has been between 29.0 °F (-1.7 °C) and 41.4 °F (5.2 °C).
Frost
On March 31 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 15.8% 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