Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On October 30 in NORTHERLY ISLAND the average high temperature is 56.5 °F (13.6 °C). The lowest recored high temperature was 46.9 °F (8.3 °C) in 2019 and the highest recored high temperature was 81.0 °F (27.2 °C) in 2024. The high temperature is usually* between 49.6 °F (9.8 °C) and 63.4 °F (17.4 °C). About a quarter of the time, the high temperature is less than 49.6 °F (9.8 °C), and another quarter of the time, the high temperature is greater than and 63.4 °F (17.4 °C). About 95% of the time, the high temperature has been between 36.5 °F (2.5 °C) and 76.4 °F (24.7 °C).
Low Temperatures
On October 30 in NORTHERLY ISLAND the average low temperature is 42.3 °F (5.7 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 2023 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 2024. The low temperature is usually* between 37.0 °F (2.8 °C) and 47.6 °F (8.7 °C). About a quarter of the time, the low temperature is less than 37.0 °F (2.8 °C), and another quarter of the time, the low temperature is greater than and 47.6 °F (8.7 °C). About 95% of the time, the low temperature has been between 26.9 °F (-2.8 °C) and 57.7 °F (14.3 °C).
Frost
On October 30 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 9.5% 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 2024