Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 15 in WILMETTE (CGS) the average high temperature is 49.6 °F (9.8 °C). The lowest recored high temperature was 28.0 °F (-2.2 °C) in 1988 and the highest recored high temperature was 66.9 °F (19.4 °C) in 1990. The high temperature is usually* between 38.1 °F (3.4 °C) and 61.1 °F (16.2 °C). About a quarter of the time, the high temperature is less than 38.1 °F (3.4 °C), and another quarter of the time, the high temperature is greater than and 61.1 °F (16.2 °C). About 95% of the time, the high temperature has been between 16.3 °F (-8.7 °C) and 82.9 °F (28.3 °C).
Low Temperatures
On March 15 in WILMETTE (CGS) the average low temperature is 28.9 °F (-1.7 °C). The lowest recored low temperature was 18.1 °F (-7.7 °C) in 1988 and the lowest recored low temperature was 34.9 °F (1.6 °C) in 1990. The low temperature is usually* between 23.6 °F (-4.7 °C) and 34.2 °F (1.2 °C). About a quarter of the time, the low temperature is less than 23.6 °F (-4.7 °C), and another quarter of the time, the low temperature is greater than and 34.2 °F (1.2 °C). About 95% of the time, the low temperature has been between 13.5 °F (-10.3 °C) and 44.4 °F (6.9 °C).
Frost
On March 15 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 65.2% 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