- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On July 24 in NORTHERLY ISLAND the average high temperature is 84.0 °F (28.9 °C). The lowest recored high temperature was 66.2 °F (19.0 °C) in 2014 and the highest recored high temperature was 92.3 °F (33.5 °C) in 2025. The high temperature is usually* between 78.6 °F (25.9 °C) and 89.4 °F (31.9 °C). About a quarter of the time, the high temperature is less than 78.6 °F (25.9 °C), and another quarter of the time, the high temperature is greater than and 89.4 °F (31.9 °C). About 95% of the time, the high temperature has been between 68.4 °F (20.2 °C) and 99.6 °F (37.6 °C).
Low Temperatures
On July 24 in NORTHERLY ISLAND the average low temperature is 68.7 °F (20.4 °C). The lowest recored low temperature was 60.6 °F (15.9 °C) in 2014 and the lowest recored low temperature was 76.8 °F (24.9 °C) in 2020. The low temperature is usually* between 65.8 °F (18.8 °C) and 71.7 °F (22.0 °C). About a quarter of the time, the low temperature is less than 65.8 °F (18.8 °C), and another quarter of the time, the low temperature is greater than and 71.7 °F (22.0 °C). About 95% of the time, the low temperature has been between 60.1 °F (15.6 °C) and 77.3 °F (25.2 °C).
Frost
On July 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 2012 to 2025