Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On May 7 in NORTHERLY ISLAND the average high temperature is 63.1 °F (17.3 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 2017 and the highest recored high temperature was 82.8 °F (28.2 °C) in 2015. The high temperature is usually* between 55.4 °F (13.0 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 55.4 °F (13.0 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.6 °C). About 95% of the time, the high temperature has been between 40.8 °F (4.9 °C) and 85.5 °F (29.7 °C).
Low Temperatures
On May 7 in NORTHERLY ISLAND the average low temperature is 45.2 °F (7.3 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 2020 and the lowest recored low temperature was 51.1 °F (10.6 °C) in 2013. The low temperature is usually* between 42.6 °F (5.9 °C) and 47.8 °F (8.8 °C). About a quarter of the time, the low temperature is less than 42.6 °F (5.9 °C), and another quarter of the time, the low temperature is greater than and 47.8 °F (8.8 °C). About 95% of the time, the low temperature has been between 37.7 °F (3.2 °C) and 52.7 °F (11.5 °C).
Frost
On May 7 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