- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 30 in NORTHERLY ISLAND the average high temperature is 35.2 °F (1.8 °C). The lowest recored high temperature was 10.9 °F (-11.7 °C) in 2019 and the highest recored high temperature was 58.6 °F (14.8 °C) in 2013. The high temperature is usually* between 27.7 °F (-2.4 °C) and 42.8 °F (6.0 °C). About a quarter of the time, the high temperature is less than 27.7 °F (-2.4 °C), and another quarter of the time, the high temperature is greater than and 42.8 °F (6.0 °C). About 95% of the time, the high temperature has been between 13.3 °F (-10.4 °C) and 57.2 °F (14.0 °C).
Low Temperatures
On January 30 in NORTHERLY ISLAND the average low temperature is 20.7 °F (-6.3 °C). The lowest recored low temperature was -20.2 °F (-29.0 °C) in 2019 and the lowest recored low temperature was 31.1 °F (-0.5 °C) in 2013. The low temperature is usually* between 11.9 °F (-11.1 °C) and 29.5 °F (-1.4 °C). About a quarter of the time, the low temperature is less than 11.9 °F (-11.1 °C), and another quarter of the time, the low temperature is greater than and 29.5 °F (-1.4 °C). About 95% of the time, the low temperature has been between -4.8 °F (-20.4 °C) and 46.2 °F (7.9 °C).
Frost
On January 30 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 80.7% 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