- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 26 in WILMETTE (CGS) the average high temperature is 53.1 °F (11.7 °C). The lowest recored high temperature was 41.9 °F (5.5 °C) in 1990 and the highest recored high temperature was 73.9 °F (23.3 °C) in 1989. The high temperature is usually* between 43.4 °F (6.3 °C) and 62.9 °F (17.2 °C). About a quarter of the time, the high temperature is less than 43.4 °F (6.3 °C), and another quarter of the time, the high temperature is greater than and 62.9 °F (17.2 °C). About 95% of the time, the high temperature has been between 24.8 °F (-4.0 °C) and 81.5 °F (27.5 °C).
Low Temperatures
On March 26 in WILMETTE (CGS) the average low temperature is 36.3 °F (2.4 °C). The lowest recored low temperature was 32.9 °F (0.5 °C) in 1990 and the lowest recored low temperature was 36.9 °F (2.7 °C) in 1988. The low temperature is usually* between 28.8 °F (-1.8 °C) and 43.8 °F (6.5 °C). About a quarter of the time, the low temperature is less than 28.8 °F (-1.8 °C), and another quarter of the time, the low temperature is greater than and 43.8 °F (6.5 °C). About 95% of the time, the low temperature has been between 14.6 °F (-9.6 °C) and 58.0 °F (14.4 °C).
Frost
On March 26 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 34.8% 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