- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On February 11 in NORTHERLY ISLAND the average high temperature is 34.6 °F (1.5 °C). The lowest recored high temperature was 15.6 °F (-9.1 °C) in 2014 and the highest recored high temperature was 50.0 °F (10.0 °C) in 2013. The high temperature is usually* between 27.5 °F (-2.5 °C) and 41.8 °F (5.4 °C). About a quarter of the time, the high temperature is less than 27.5 °F (-2.5 °C), and another quarter of the time, the high temperature is greater than and 41.8 °F (5.4 °C). About 95% of the time, the high temperature has been between 13.9 °F (-10.0 °C) and 55.3 °F (13.0 °C).
Low Temperatures
On February 11 in NORTHERLY ISLAND the average low temperature is 21.4 °F (-5.9 °C). The lowest recored low temperature was 3.4 °F (-15.9 °C) in 2014 and the lowest recored low temperature was 32.4 °F (0.2 °C) in 2013. The low temperature is usually* between 15.0 °F (-9.4 °C) and 27.7 °F (-2.4 °C). About a quarter of the time, the low temperature is less than 15.0 °F (-9.4 °C), and another quarter of the time, the low temperature is greater than and 27.7 °F (-2.4 °C). About 95% of the time, the low temperature has been between 3.0 °F (-16.1 °C) and 39.8 °F (4.3 °C).
Frost
On February 11 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 87.1% 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