Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On February 5 in NORTHERLY ISLAND the average high temperature is 35.1 °F (1.7 °C). The lowest recored high temperature was 24.6 °F (-4.1 °C) in 2014 and the highest recored high temperature was 51.1 °F (10.6 °C) in 2019. The high temperature is usually* between 29.4 °F (-1.4 °C) and 40.7 °F (4.8 °C). About a quarter of the time, the high temperature is less than 29.4 °F (-1.4 °C), and another quarter of the time, the high temperature is greater than and 40.7 °F (4.8 °C). About 95% of the time, the high temperature has been between 18.7 °F (-7.4 °C) and 51.5 °F (10.8 °C).
Low Temperatures
On February 5 in NORTHERLY ISLAND the average low temperature is 19.9 °F (-6.7 °C). The lowest recored low temperature was 1.6 °F (-16.9 °C) in 2018 and the lowest recored low temperature was 35.1 °F (1.7 °C) in 2023. The low temperature is usually* between 13.3 °F (-10.4 °C) and 26.6 °F (-3.0 °C). About a quarter of the time, the low temperature is less than 13.3 °F (-10.4 °C), and another quarter of the time, the low temperature is greater than and 26.6 °F (-3.0 °C). About 95% of the time, the low temperature has been between 0.5 °F (-17.5 °C) and 39.4 °F (4.1 °C).
Frost
On February 5 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 88.8% 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