August 22 - NORTHERLY ISLAND - Weather History and Averages

Station: NORTHERLY ISLAND (2012 to 2025)
Country: US
State: IL
Latitude: 41.856
Longitude: -87.609

High Temperatures

On August 22 in NORTHERLY ISLAND the average high temperature is 80.5 °F (27.0 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 2022 and the highest recored high temperature was 89.1 °F (31.7 °C) in 2021. The high temperature is usually^* between 77.0 °F (25.0 °C) and 84.1 °F (29.0 °C). About a quarter of the time, the high temperature is less than 77.0 °F (25.0 °C), and another quarter of the time, the high temperature is greater than and 84.1 °F (29.0 °C). About 95% of the time, the high temperature has been between 70.2 °F (21.2 °C) and 90.9 °F (32.7 °C).

Low Temperatures

On August 22 in NORTHERLY ISLAND the average low temperature is 66.9 °F (19.4 °C). The lowest recored low temperature was 61.0 °F (16.1 °C) in 2024 and the lowest recored low temperature was 72.3 °F (22.4 °C) in 2014. The low temperature is usually^* between 64.2 °F (17.9 °C) and 69.5 °F (20.8 °C). About a quarter of the time, the low temperature is less than 64.2 °F (17.9 °C), and another quarter of the time, the low temperature is greater than and 69.5 °F (20.8 °C). About 95% of the time, the low temperature has been between 59.1 °F (15.1 °C) and 74.6 °F (23.6 °C).

Frost

On August 22 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

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 2025

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