- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On July 14 in NORTHERLY ISLAND the average high temperature is 83.1 °F (28.4 °C). The lowest recored high temperature was 79.0 °F (26.1 °C) in 2013 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2019. The high temperature is usually* between 79.6 °F (26.5 °C) and 86.6 °F (30.3 °C). About a quarter of the time, the high temperature is less than 79.6 °F (26.5 °C), and another quarter of the time, the high temperature is greater than and 86.6 °F (30.3 °C). About 95% of the time, the high temperature has been between 73.0 °F (22.8 °C) and 93.2 °F (34.0 °C).
Low Temperatures
On July 14 in NORTHERLY ISLAND the average low temperature is 67.9 °F (19.9 °C). The lowest recored low temperature was 64.9 °F (18.3 °C) in 2014 and the lowest recored low temperature was 74.1 °F (23.4 °C) in 2012. The low temperature is usually* between 65.3 °F (18.5 °C) and 70.4 °F (21.4 °C). About a quarter of the time, the low temperature is less than 65.3 °F (18.5 °C), and another quarter of the time, the low temperature is greater than and 70.4 °F (21.4 °C). About 95% of the time, the low temperature has been between 60.5 °F (15.8 °C) and 75.3 °F (24.1 °C).
Frost
On July 14 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