August 16 - WAUKEGAN HARBOR - Weather History and Averages

Station: WAUKEGAN HARBOR (2006 to 2025)
Country: US
State: IL
Latitude: 42.35
Longitude: -87.82

High Temperatures

On August 16 in WAUKEGAN HARBOR the average high temperature is 77.9 °F (25.5 °C). The lowest recored high temperature was 69.6 °F (20.9 °C) in 2022 and the highest recored high temperature was 86.7 °F (30.4 °C) in 2015. The high temperature is usually^* between 74.9 °F (23.9 °C) and 80.9 °F (27.2 °C). About a quarter of the time, the high temperature is less than 74.9 °F (23.9 °C), and another quarter of the time, the high temperature is greater than and 80.9 °F (27.2 °C). About 95% of the time, the high temperature has been between 69.2 °F (20.7 °C) and 86.7 °F (30.4 °C).

Low Temperatures

On August 16 in WAUKEGAN HARBOR the average low temperature is 66.5 °F (19.1 °C). The lowest recored low temperature was 62.2 °F (16.8 °C) in 2013 and the lowest recored low temperature was 75.7 °F (24.3 °C) in 2025. The low temperature is usually^* between 63.6 °F (17.5 °C) and 69.4 °F (20.8 °C). About a quarter of the time, the low temperature is less than 63.6 °F (17.5 °C), and another quarter of the time, the low temperature is greater than and 69.4 °F (20.8 °C). About 95% of the time, the low temperature has been between 58.1 °F (14.5 °C) and 74.9 °F (23.8 °C).

Frost

On August 16 in WAUKEGAN HARBOR 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:

WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2007 to 2025

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