Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 12 in NORTHERLY ISLAND the average high temperature is 38.1 °F (3.4 °C). The lowest recored high temperature was 25.0 °F (-3.9 °C) in 2016 and the highest recored high temperature was 50.9 °F (10.5 °C) in 2018. The high temperature is usually* between 32.1 °F (0.1 °C) and 44.0 °F (6.7 °C). About a quarter of the time, the high temperature is less than 32.1 °F (0.1 °C), and another quarter of the time, the high temperature is greater than and 44.0 °F (6.7 °C). About 95% of the time, the high temperature has been between 20.7 °F (-6.3 °C) and 55.4 °F (13.0 °C).
Low Temperatures
On January 12 in NORTHERLY ISLAND the average low temperature is 23.2 °F (-4.9 °C). The lowest recored low temperature was 1.9 °F (-16.7 °C) in 2016 and the lowest recored low temperature was 41.5 °F (5.3 °C) in 2013. The low temperature is usually* between 15.9 °F (-8.9 °C) and 30.5 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 15.9 °F (-8.9 °C), and another quarter of the time, the low temperature is greater than and 30.5 °F (-0.8 °C). About 95% of the time, the low temperature has been between 2.0 °F (-16.7 °C) and 44.5 °F (6.9 °C).
Frost
On January 12 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 79.1% 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