Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On October 4 in NORTHERLY ISLAND the average high temperature is 69.6 °F (20.9 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 2014 and the highest recored high temperature was 84.0 °F (28.9 °C) in 2023. The high temperature is usually* between 63.1 °F (17.3 °C) and 76.0 °F (24.5 °C). About a quarter of the time, the high temperature is less than 63.1 °F (17.3 °C), and another quarter of the time, the high temperature is greater than and 76.0 °F (24.5 °C). About 95% of the time, the high temperature has been between 50.8 °F (10.5 °C) and 88.3 °F (31.3 °C).
Low Temperatures
On October 4 in NORTHERLY ISLAND the average low temperature is 55.8 °F (13.2 °C). The lowest recored low temperature was 38.1 °F (3.4 °C) in 2014 and the lowest recored low temperature was 67.3 °F (19.6 °C) in 2013. The low temperature is usually* between 50.1 °F (10.0 °C) and 61.5 °F (16.4 °C). About a quarter of the time, the low temperature is less than 50.1 °F (10.0 °C), and another quarter of the time, the low temperature is greater than and 61.5 °F (16.4 °C). About 95% of the time, the low temperature has been between 39.2 °F (4.0 °C) and 72.4 °F (22.5 °C).
Frost
On October 4 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.3% 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 2012 to 2024