June 26 - CHICAGO - Weather History and Averages

Station: CHICAGO (2005 to 2025)
Country: US
State: IL
Latitude: 42.0
Longitude: -87.5

High Temperatures

On June 26 in CHICAGO the average high temperature is 77.8 °F (25.4 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 2014 and the highest recored high temperature was 97.9 °F (36.6 °C) in 2025. The high temperature is usually^* between 72.5 °F (22.5 °C) and 83.0 °F (28.4 °C). About a quarter of the time, the high temperature is less than 72.5 °F (22.5 °C), and another quarter of the time, the high temperature is greater than and 83.0 °F (28.4 °C). About 95% of the time, the high temperature has been between 62.4 °F (16.9 °C) and 93.1 °F (33.9 °C).

Low Temperatures

On June 26 in CHICAGO the average low temperature is 66.9 °F (19.4 °C). The lowest recored low temperature was 55.9 °F (13.3 °C) in 2014 and the lowest recored low temperature was 76.8 °F (24.9 °C) in 2025. The low temperature is usually^* between 63.2 °F (17.4 °C) and 70.6 °F (21.4 °C). About a quarter of the time, the low temperature is less than 63.2 °F (17.4 °C), and another quarter of the time, the low temperature is greater than and 70.6 °F (21.4 °C). About 95% of the time, the low temperature has been between 56.2 °F (13.5 °C) and 77.6 °F (25.3 °C).

Frost

On June 26 in CHICAGO 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:

CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025

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