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Typical weather at station GARY/CHICAGO AIRPORT on June 18

Station information

High Temperatures

On June 18 in <NA> the average high temperature is 82.4 °F (28.0 °C). The lowest recored high temperature was 68.0 °F (20.0 °C) in 1999 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2018. The high temperature is usually* between 76.7 °F (24.9 °C) and 88.0 °F (31.1 °C). About a quarter of the time, the high temperature is less than 76.7 °F (24.9 °C), and another quarter of the time, the high temperature is greater than and 88.0 °F (31.1 °C). About 95% of the time, the high temperature has been between 66.0 °F (18.9 °C) and 98.7 °F (37.1 °C).

Low Temperatures

On June 18 in <NA> the average low temperature is 63.2 °F (17.3 °C). The lowest recored low temperature was 42.8 °F (6.0 °C) in 1999 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 2024. The low temperature is usually* between 58.1 °F (14.5 °C) and 68.3 °F (20.2 °C). About a quarter of the time, the low temperature is less than 58.1 °F (14.5 °C), and another quarter of the time, the low temperature is greater than and 68.3 °F (20.2 °C). About 95% of the time, the low temperature has been between 48.3 °F (9.1 °C) and 78.1 °F (25.6 °C).

Frost

On June 18 in <NA> expect the temperatures to drop below freezing for a risk of frost about 0.0% 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: