Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On March 1 in NORTHERLY ISLAND the average high temperature is 43.9 °F (6.6 °C). The lowest recored high temperature was 27.7 °F (-2.4 °C) in 2015 and the highest recored high temperature was 58.5 °F (14.7 °C) in 2017. The high temperature is usually* between 35.5 °F (2.0 °C) and 52.3 °F (11.3 °C). About a quarter of the time, the high temperature is less than 35.5 °F (2.0 °C), and another quarter of the time, the high temperature is greater than and 52.3 °F (11.3 °C). About 95% of the time, the high temperature has been between 19.5 °F (-6.9 °C) and 68.4 °F (20.2 °C).
Low Temperatures
On March 1 in NORTHERLY ISLAND the average low temperature is 25.2 °F (-3.8 °C). The lowest recored low temperature was 5.0 °F (-15.0 °C) in 2015 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 2023. The low temperature is usually* between 19.8 °F (-6.8 °C) and 30.6 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 19.8 °F (-6.8 °C), and another quarter of the time, the low temperature is greater than and 30.6 °F (-0.8 °C). About 95% of the time, the low temperature has been between 9.6 °F (-12.4 °C) and 40.8 °F (4.9 °C).
Frost
On March 1 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 80.3% 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