Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On February 13 in NORTHERLY ISLAND the average high temperature is 34.8 °F (1.6 °C). The lowest recored high temperature was 14.4 °F (-9.8 °C) in 2021 and the highest recored high temperature was 52.0 °F (11.1 °C) in 2023. The high temperature is usually* between 27.7 °F (-2.4 °C) and 42.0 °F (5.5 °C). About a quarter of the time, the high temperature is less than 27.7 °F (-2.4 °C), and another quarter of the time, the high temperature is greater than and 42.0 °F (5.5 °C). About 95% of the time, the high temperature has been between 14.2 °F (-9.9 °C) and 55.5 °F (13.1 °C).
Low Temperatures
On February 13 in NORTHERLY ISLAND the average low temperature is 18.4 °F (-7.5 °C). The lowest recored low temperature was 5.5 °F (-14.7 °C) in 2016 and the lowest recored low temperature was 33.1 °F (0.6 °C) in 2023. The low temperature is usually* between 11.2 °F (-11.5 °C) and 25.6 °F (-3.6 °C). About a quarter of the time, the low temperature is less than 11.2 °F (-11.5 °C), and another quarter of the time, the low temperature is greater than and 25.6 °F (-3.6 °C). About 95% of the time, the low temperature has been between -2.4 °F (-19.1 °C) and 39.2 °F (4.0 °C).
Frost
On February 13 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 90.0% 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