Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 9 in NORTHERLY ISLAND the average high temperature is 35.8 °F (2.1 °C). The lowest recored high temperature was 19.0 °F (-7.2 °C) in 2015 and the highest recored high temperature was 50.0 °F (10.0 °C) in 2020. The high temperature is usually* between 28.5 °F (-2.0 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the high temperature is less than 28.5 °F (-2.0 °C), and another quarter of the time, the high temperature is greater than and 43.0 °F (6.1 °C). About 95% of the time, the high temperature has been between 14.6 °F (-9.7 °C) and 56.9 °F (13.8 °C).
Low Temperatures
On January 9 in NORTHERLY ISLAND the average low temperature is 20.0 °F (-6.7 °C). The lowest recored low temperature was -6.0 °F (-21.1 °C) in 2015 and the lowest recored low temperature was 37.0 °F (2.8 °C) in 2013. The low temperature is usually* between 12.1 °F (-11.0 °C) and 27.9 °F (-2.3 °C). About a quarter of the time, the low temperature is less than 12.1 °F (-11.0 °C), and another quarter of the time, the low temperature is greater than and 27.9 °F (-2.3 °C). About 95% of the time, the low temperature has been between -2.9 °F (-19.4 °C) and 42.9 °F (6.0 °C).
Frost
On January 9 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 84.8% 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