Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On October 9 in NORTHERLY ISLAND the average high temperature is 67.3 °F (19.6 °C). The lowest recored high temperature was 56.7 °F (13.7 °C) in 2023 and the highest recored high temperature was 77.0 °F (25.0 °C) in 2015. The high temperature is usually* between 62.9 °F (17.2 °C) and 71.7 °F (22.1 °C). About a quarter of the time, the high temperature is less than 62.9 °F (17.2 °C), and another quarter of the time, the high temperature is greater than and 71.7 °F (22.1 °C). About 95% of the time, the high temperature has been between 54.5 °F (12.5 °C) and 80.1 °F (26.7 °C).
Low Temperatures
On October 9 in NORTHERLY ISLAND the average low temperature is 51.1 °F (10.6 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2022 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 2021. The low temperature is usually* between 46.8 °F (8.2 °C) and 55.4 °F (13.0 °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 55.4 °F (13.0 °C). About 95% of the time, the low temperature has been between 38.5 °F (3.6 °C) and 63.7 °F (17.6 °C).
Frost
On October 9 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.1% 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