- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On April 14 in NORTHERLY ISLAND the average high temperature is 59.0 °F (15.0 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 2018 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2023. The high temperature is usually* between 50.3 °F (10.2 °C) and 67.6 °F (19.8 °C). About a quarter of the time, the high temperature is less than 50.3 °F (10.2 °C), and another quarter of the time, the high temperature is greater than and 67.6 °F (19.8 °C). About 95% of the time, the high temperature has been between 33.9 °F (1.0 °C) and 84.1 °F (28.9 °C).
Low Temperatures
On April 14 in NORTHERLY ISLAND the average low temperature is 40.7 °F (4.8 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 2020 and the lowest recored low temperature was 53.2 °F (11.8 °C) in 2023. The low temperature is usually* between 35.9 °F (2.2 °C) and 45.4 °F (7.4 °C). About a quarter of the time, the low temperature is less than 35.9 °F (2.2 °C), and another quarter of the time, the low temperature is greater than and 45.4 °F (7.4 °C). About 95% of the time, the low temperature has been between 27.0 °F (-2.8 °C) and 54.4 °F (12.4 °C).
Frost
On April 14 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 10.8% 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