- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On October 31 in NORTHERLY ISLAND the average high temperature is 56.1 °F (13.4 °C). The lowest recored high temperature was 42.1 °F (5.6 °C) in 2023 and the highest recored high temperature was 79.0 °F (26.1 °C) in 2024. The high temperature is usually* between 49.1 °F (9.5 °C) and 63.2 °F (17.3 °C). About a quarter of the time, the high temperature is less than 49.1 °F (9.5 °C), and another quarter of the time, the high temperature is greater than and 63.2 °F (17.3 °C). About 95% of the time, the high temperature has been between 35.7 °F (2.0 °C) and 76.6 °F (24.8 °C).
Low Temperatures
On October 31 in NORTHERLY ISLAND the average low temperature is 41.2 °F (5.1 °C). The lowest recored low temperature was 30.4 °F (-0.9 °C) in 2023 and the lowest recored low temperature was 53.8 °F (12.1 °C) in 2013. The low temperature is usually* between 35.5 °F (1.9 °C) and 46.8 °F (8.2 °C). About a quarter of the time, the low temperature is less than 35.5 °F (1.9 °C), and another quarter of the time, the low temperature is greater than and 46.8 °F (8.2 °C). About 95% of the time, the low temperature has been between 24.7 °F (-4.1 °C) and 57.6 °F (14.2 °C).
Frost
On October 31 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 13.8% 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 2012 to 2024