- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On August 28 in NORTHERLY ISLAND the average high temperature is 83.2 °F (28.5 °C). The lowest recored high temperature was 71.4 °F (21.9 °C) in 2014 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2024. The high temperature is usually* between 77.9 °F (25.5 °C) and 88.5 °F (31.4 °C). About a quarter of the time, the high temperature is less than 77.9 °F (25.5 °C), and another quarter of the time, the high temperature is greater than and 88.5 °F (31.4 °C). About 95% of the time, the high temperature has been between 67.9 °F (19.9 °C) and 98.6 °F (37.0 °C).
Low Temperatures
On August 28 in NORTHERLY ISLAND the average low temperature is 68.8 °F (20.5 °C). The lowest recored low temperature was 57.0 °F (13.9 °C) in 2015 and the lowest recored low temperature was 76.8 °F (24.9 °C) in 2020. The low temperature is usually* between 65.2 °F (18.5 °C) and 72.4 °F (22.4 °C). About a quarter of the time, the low temperature is less than 65.2 °F (18.5 °C), and another quarter of the time, the low temperature is greater than and 72.4 °F (22.4 °C). About 95% of the time, the low temperature has been between 58.4 °F (14.7 °C) and 79.2 °F (26.2 °C).
Frost
On August 28 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 2024