Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 6 in NORTHERLY ISLAND the average high temperature is 31.5 °F (-0.3 °C). The lowest recored high temperature was 12.4 °F (-10.9 °C) in 2014 and the highest recored high temperature was 54.0 °F (12.2 °C) in 2019. The high temperature is usually* between 23.4 °F (-4.8 °C) and 39.7 °F (4.3 °C). About a quarter of the time, the high temperature is less than 23.4 °F (-4.8 °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 7.8 °F (-13.4 °C) and 55.2 °F (12.9 °C).
Low Temperatures
On January 6 in NORTHERLY ISLAND the average low temperature is 17.2 °F (-8.2 °C). The lowest recored low temperature was -13.0 °F (-25.0 °C) in 2014 and the lowest recored low temperature was 34.0 °F (1.1 °C) in 2019. The low temperature is usually* between 8.2 °F (-13.2 °C) and 26.2 °F (-3.2 °C). About a quarter of the time, the low temperature is less than 8.2 °F (-13.2 °C), and another quarter of the time, the low temperature is greater than and 26.2 °F (-3.2 °C). About 95% of the time, the low temperature has been between -8.9 °F (-22.7 °C) and 43.4 °F (6.3 °C).
Frost
On January 6 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 86.6% 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