Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 23 in NORTHERLY ISLAND the average high temperature is 33.0 °F (0.6 °C). The lowest recored high temperature was 13.6 °F (-10.2 °C) in 2014 and the highest recored high temperature was 53.1 °F (11.7 °C) in 2018. The high temperature is usually* between 26.4 °F (-3.1 °C) and 39.7 °F (4.3 °C). About a quarter of the time, the high temperature is less than 26.4 °F (-3.1 °C), and another quarter of the time, the high temperature is greater than and 39.7 °F (4.3 °C). About 95% of the time, the high temperature has been between 13.8 °F (-10.1 °C) and 52.3 °F (11.3 °C).
Low Temperatures
On January 23 in NORTHERLY ISLAND the average low temperature is 18.4 °F (-7.6 °C). The lowest recored low temperature was -0.9 °F (-18.3 °C) in 2025 and the lowest recored low temperature was 35.1 °F (1.7 °C) in 2017. The low temperature is usually* between 10.4 °F (-12.0 °C) and 26.4 °F (-3.1 °C). About a quarter of the time, the low temperature is less than 10.4 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 26.4 °F (-3.1 °C). About 95% of the time, the low temperature has been between -4.9 °F (-20.5 °C) and 41.6 °F (5.4 °C).
Frost
On January 23 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 87.4% 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