July 29 - CHICAGO - Weather History and Averages

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

High Temperatures

On July 29 in CHICAGO the average high temperature is 78.6 °F (25.9 °C). The lowest recored high temperature was 66.7 °F (19.3 °C) in 2013 and the highest recored high temperature was 91.6 °F (33.1 °C) in 2025. The high temperature is usually^* between 74.5 °F (23.6 °C) and 82.7 °F (28.2 °C). About a quarter of the time, the high temperature is less than 74.5 °F (23.6 °C), and another quarter of the time, the high temperature is greater than and 82.7 °F (28.2 °C). About 95% of the time, the high temperature has been between 66.7 °F (19.3 °C) and 90.5 °F (32.5 °C).

Low Temperatures

On July 29 in CHICAGO the average low temperature is 70.4 °F (21.3 °C). The lowest recored low temperature was 60.6 °F (15.9 °C) in 2013 and the lowest recored low temperature was 81.5 °F (27.5 °C) in 2025. The low temperature is usually^* between 67.1 °F (19.5 °C) and 73.7 °F (23.2 °C). About a quarter of the time, the low temperature is less than 67.1 °F (19.5 °C), and another quarter of the time, the low temperature is greater than and 73.7 °F (23.2 °C). About 95% of the time, the low temperature has been between 60.8 °F (16.0 °C) and 80.0 °F (26.7 °C).

Frost

On July 29 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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