- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On March 13 in NORTHERLY ISLAND the average high temperature is 46.7 °F (8.1 °C). The lowest recored high temperature was 30.9 °F (-0.6 °C) in 2017 and the highest recored high temperature was 70.0 °F (21.1 °C) in 2024. The high temperature is usually* between 38.3 °F (3.5 °C) and 55.0 °F (12.8 °C). About a quarter of the time, the high temperature is less than 38.3 °F (3.5 °C), and another quarter of the time, the high temperature is greater than and 55.0 °F (12.8 °C). About 95% of the time, the high temperature has been between 22.3 °F (-5.4 °C) and 71.0 °F (21.7 °C).
Low Temperatures
On March 13 in NORTHERLY ISLAND the average low temperature is 31.0 °F (-0.5 °C). The lowest recored low temperature was 19.2 °F (-7.1 °C) in 2014 and the lowest recored low temperature was 46.4 °F (8.0 °C) in 2024. The low temperature is usually* between 25.6 °F (-3.5 °C) and 36.5 °F (2.5 °C). About a quarter of the time, the low temperature is less than 25.6 °F (-3.5 °C), and another quarter of the time, the low temperature is greater than and 36.5 °F (2.5 °C). About 95% of the time, the low temperature has been between 15.3 °F (-9.3 °C) and 46.8 °F (8.2 °C).
Frost
On March 13 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 54.7% 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