Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 27 in NORTHERLY ISLAND the average high temperature is 41.9 °F (5.5 °C). The lowest recored high temperature was 9.1 °F (-12.7 °C) in 2017 and the highest recored high temperature was 62.1 °F (16.7 °C) in 2019. The high temperature is usually* between 33.5 °F (0.9 °C) and 50.2 °F (10.1 °C). About a quarter of the time, the high temperature is less than 33.5 °F (0.9 °C), and another quarter of the time, the high temperature is greater than and 50.2 °F (10.1 °C). About 95% of the time, the high temperature has been between 17.6 °F (-8.0 °C) and 66.1 °F (19.0 °C).
Low Temperatures
On December 27 in NORTHERLY ISLAND the average low temperature is 26.8 °F (-2.9 °C). The lowest recored low temperature was 0.0 °F (-17.8 °C) in 2017 and the lowest recored low temperature was 37.8 °F (3.2 °C) in 2015. The low temperature is usually* between 18.7 °F (-7.4 °C) and 34.9 °F (1.6 °C). About a quarter of the time, the low temperature is less than 18.7 °F (-7.4 °C), and another quarter of the time, the low temperature is greater than and 34.9 °F (1.6 °C). About 95% of the time, the low temperature has been between 3.3 °F (-15.9 °C) and 50.3 °F (10.2 °C).
Frost
On December 27 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 66.7% 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:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024