- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On November 15 in NORTHERLY ISLAND the average high temperature is 48.9 °F (9.4 °C). The lowest recored high temperature was 31.5 °F (-0.3 °C) in 2014 and the highest recored high temperature was 65.1 °F (18.4 °C) in 2023. The high temperature is usually* between 42.1 °F (5.6 °C) and 55.7 °F (13.2 °C). About a quarter of the time, the high temperature is less than 42.1 °F (5.6 °C), and another quarter of the time, the high temperature is greater than and 55.7 °F (13.2 °C). About 95% of the time, the high temperature has been between 29.2 °F (-1.6 °C) and 68.6 °F (20.3 °C).
Low Temperatures
On November 15 in NORTHERLY ISLAND the average low temperature is 35.0 °F (1.7 °C). The lowest recored low temperature was 23.0 °F (-5.0 °C) in 2014 and the lowest recored low temperature was 48.6 °F (9.2 °C) in 2024. The low temperature is usually* between 29.6 °F (-1.3 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the low temperature is less than 29.6 °F (-1.3 °C), and another quarter of the time, the low temperature is greater than and 40.3 °F (4.6 °C). About 95% of the time, the low temperature has been between 19.5 °F (-7.0 °C) and 50.5 °F (10.3 °C).
Frost
On November 15 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 35.3% 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:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024