Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On June 28 in NORTHERLY ISLAND the average high temperature is 82.4 °F (28.0 °C). The lowest recored high temperature was 72.5 °F (22.5 °C) in 2015 and the highest recored high temperature was 98.1 °F (36.7 °C) in 2012. The high temperature is usually* between 78.0 °F (25.6 °C) and 86.7 °F (30.4 °C). About a quarter of the time, the high temperature is less than 78.0 °F (25.6 °C), and another quarter of the time, the high temperature is greater than and 86.7 °F (30.4 °C). About 95% of the time, the high temperature has been between 69.7 °F (21.0 °C) and 95.0 °F (35.0 °C).
Low Temperatures
On June 28 in NORTHERLY ISLAND the average low temperature is 65.3 °F (18.5 °C). The lowest recored low temperature was 59.0 °F (15.0 °C) in 2015 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 2012. The low temperature is usually* between 62.2 °F (16.8 °C) and 68.3 °F (20.2 °C). About a quarter of the time, the low temperature is less than 62.2 °F (16.8 °C), and another quarter of the time, the low temperature is greater than and 68.3 °F (20.2 °C). About 95% of the time, the low temperature has been between 56.4 °F (13.6 °C) and 74.2 °F (23.4 °C).
Frost
On June 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 2025