Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On October 12 in NORTHERLY ISLAND the average high temperature is 68.2 °F (20.1 °C). The lowest recored high temperature was 59.7 °F (15.4 °C) in 2014 and the highest recored high temperature was 82.0 °F (27.8 °C) in 2024. The high temperature is usually* between 63.3 °F (17.4 °C) and 73.2 °F (22.9 °C). About a quarter of the time, the high temperature is less than 63.3 °F (17.4 °C), and another quarter of the time, the high temperature is greater than and 73.2 °F (22.9 °C). About 95% of the time, the high temperature has been between 53.9 °F (12.2 °C) and 82.6 °F (28.1 °C).
Low Temperatures
On October 12 in NORTHERLY ISLAND the average low temperature is 51.4 °F (10.8 °C). The lowest recored low temperature was 37.8 °F (3.2 °C) in 2019 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2021. The low temperature is usually* between 46.8 °F (8.2 °C) and 56.0 °F (13.3 °C). About a quarter of the time, the low temperature is less than 46.8 °F (8.2 °C), and another quarter of the time, the low temperature is greater than and 56.0 °F (13.3 °C). About 95% of the time, the low temperature has been between 38.0 °F (3.4 °C) and 64.7 °F (18.2 °C).
Frost
On October 12 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.2% 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