- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On November 20 in NORTHERLY ISLAND the average high temperature is 48.3 °F (9.1 °C). The lowest recored high temperature was 32.0 °F (0.0 °C) in 2014 and the highest recored high temperature was 66.0 °F (18.9 °C) in 2020. The high temperature is usually* between 41.4 °F (5.2 °C) and 55.2 °F (12.9 °C). About a quarter of the time, the high temperature is less than 41.4 °F (5.2 °C), and another quarter of the time, the high temperature is greater than and 55.2 °F (12.9 °C). About 95% of the time, the high temperature has been between 28.3 °F (-2.1 °C) and 68.3 °F (20.2 °C).
Low Temperatures
On November 20 in NORTHERLY ISLAND the average low temperature is 32.3 °F (0.1 °C). The lowest recored low temperature was 14.5 °F (-9.7 °C) in 2022 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 2020. The low temperature is usually* between 25.9 °F (-3.4 °C) and 38.6 °F (3.7 °C). About a quarter of the time, the low temperature is less than 25.9 °F (-3.4 °C), and another quarter of the time, the low temperature is greater than and 38.6 °F (3.7 °C). About 95% of the time, the low temperature has been between 13.8 °F (-10.1 °C) and 50.8 °F (10.4 °C).
Frost
On November 20 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 48.9% 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 2023