Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 14 in NORTHERLY ISLAND the average high temperature is 42.4 °F (5.8 °C). The lowest recored high temperature was 24.1 °F (-4.4 °C) in 2016 and the highest recored high temperature was 62.1 °F (16.7 °C) in 2015. The high temperature is usually* between 35.3 °F (1.8 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the high temperature is less than 35.3 °F (1.8 °C), and another quarter of the time, the high temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the high temperature has been between 21.7 °F (-5.7 °C) and 63.2 °F (17.3 °C).
Low Temperatures
On December 14 in NORTHERLY ISLAND the average low temperature is 27.2 °F (-2.7 °C). The lowest recored low temperature was 7.9 °F (-13.4 °C) in 2016 and the lowest recored low temperature was 45.0 °F (7.2 °C) in 2015. The low temperature is usually* between 20.0 °F (-6.6 °C) and 34.4 °F (1.3 °C). About a quarter of the time, the low temperature is less than 20.0 °F (-6.6 °C), and another quarter of the time, the low temperature is greater than and 34.4 °F (1.3 °C). About 95% of the time, the low temperature has been between 6.4 °F (-14.2 °C) and 48.0 °F (8.9 °C).
Frost
On December 14 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 67.4% 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