Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On May 2 in NORTHERLY ISLAND the average high temperature is 61.4 °F (16.3 °C). The lowest recored high temperature was 50.4 °F (10.2 °C) in 2016 and the highest recored high temperature was 75.0 °F (23.9 °C) in 2024. The high temperature is usually* between 54.5 °F (12.5 °C) and 68.4 °F (20.2 °C). About a quarter of the time, the high temperature is less than 54.5 °F (12.5 °C), and another quarter of the time, the high temperature is greater than and 68.4 °F (20.2 °C). About 95% of the time, the high temperature has been between 41.2 °F (5.1 °C) and 81.6 °F (27.6 °C).
Low Temperatures
On May 2 in NORTHERLY ISLAND the average low temperature is 45.2 °F (7.3 °C). The lowest recored low temperature was 40.6 °F (4.8 °C) in 2019 and the lowest recored low temperature was 51.6 °F (10.9 °C) in 2024. The low temperature is usually* between 41.3 °F (5.2 °C) and 49.0 °F (9.5 °C). About a quarter of the time, the low temperature is less than 41.3 °F (5.2 °C), and another quarter of the time, the low temperature is greater than and 49.0 °F (9.5 °C). About 95% of the time, the low temperature has been between 34.0 °F (1.1 °C) and 56.4 °F (13.5 °C).
Frost
On May 2 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 1.1% 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