- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 11 in NORTHERLY ISLAND the average high temperature is 39.4 °F (4.1 °C). The lowest recored high temperature was 28.0 °F (-2.2 °C) in 2016 and the highest recored high temperature was 59.4 °F (15.2 °C) in 2018. The high temperature is usually* between 33.1 °F (0.6 °C) and 45.6 °F (7.6 °C). About a quarter of the time, the high temperature is less than 33.1 °F (0.6 °C), and another quarter of the time, the high temperature is greater than and 45.6 °F (7.6 °C). About 95% of the time, the high temperature has been between 21.3 °F (-6.0 °C) and 57.5 °F (14.2 °C).
Low Temperatures
On January 11 in NORTHERLY ISLAND the average low temperature is 23.1 °F (-5.0 °C). The lowest recored low temperature was 1.0 °F (-17.2 °C) in 2015 and the lowest recored low temperature was 35.6 °F (2.0 °C) in 2013. The low temperature is usually* between 16.2 °F (-8.8 °C) and 30.0 °F (-1.1 °C). About a quarter of the time, the low temperature is less than 16.2 °F (-8.8 °C), and another quarter of the time, the low temperature is greater than and 30.0 °F (-1.1 °C). About 95% of the time, the low temperature has been between 3.0 °F (-16.1 °C) and 43.2 °F (6.2 °C).
Frost
On January 11 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 80.8% 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:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025