Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On June 24 in NORTHERLY ISLAND the average high temperature is 80.7 °F (27.1 °C). The lowest recored high temperature was 75.4 °F (24.1 °C) in 2016 and the highest recored high temperature was 93.0 °F (33.9 °C) in 2025. The high temperature is usually* between 76.5 °F (24.7 °C) and 84.9 °F (29.4 °C). About a quarter of the time, the high temperature is less than 76.5 °F (24.7 °C), and another quarter of the time, the high temperature is greater than and 84.9 °F (29.4 °C). About 95% of the time, the high temperature has been between 68.5 °F (20.3 °C) and 92.9 °F (33.9 °C).
Low Temperatures
On June 24 in NORTHERLY ISLAND the average low temperature is 64.6 °F (18.1 °C). The lowest recored low temperature was 59.0 °F (15.0 °C) in 2019 and the lowest recored low temperature was 70.7 °F (21.5 °C) in 2013. The low temperature is usually* between 61.6 °F (16.5 °C) and 67.6 °F (19.8 °C). About a quarter of the time, the low temperature is less than 61.6 °F (16.5 °C), and another quarter of the time, the low temperature is greater than and 67.6 °F (19.8 °C). About 95% of the time, the low temperature has been between 56.0 °F (13.3 °C) and 73.3 °F (23.0 °C).
Frost
On June 24 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.0% 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