Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On June 1 in NORTHERLY ISLAND the average high temperature is 74.4 °F (23.6 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 2015 and the highest recored high temperature was 87.3 °F (30.7 °C) in 2014. The high temperature is usually* between 68.4 °F (20.2 °C) and 80.4 °F (26.9 °C). About a quarter of the time, the high temperature is less than 68.4 °F (20.2 °C), and another quarter of the time, the high temperature is greater than and 80.4 °F (26.9 °C). About 95% of the time, the high temperature has been between 56.8 °F (13.8 °C) and 92.0 °F (33.3 °C).
Low Temperatures
On June 1 in NORTHERLY ISLAND the average low temperature is 55.5 °F (13.1 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 2015 and the lowest recored low temperature was 66.4 °F (19.1 °C) in 2013. The low temperature is usually* between 51.0 °F (10.5 °C) and 60.1 °F (15.6 °C). About a quarter of the time, the low temperature is less than 51.0 °F (10.5 °C), and another quarter of the time, the low temperature is greater than and 60.1 °F (15.6 °C). About 95% of the time, the low temperature has been between 42.2 °F (5.7 °C) and 68.9 °F (20.5 °C).
Frost
On June 1 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