What is the typical weather forecast for summer in Montreal?

During the summer months, the daily high temperature in Montreal is usually in the upper 70s or low 80s Fahrenheit. The low temperature at night is usually in the low 60s Fahrenheit. There is also a chance of rain more days than not.

Summers in Montreal are known for having high humidity. Heat waves are also possible, potentially pushing temperatures to around 90 degrees Fahrenheit. With that humidity comes plenty of rain showers, which at times include large amounts of rain in a short period time. However, at other times, it's possible for the rain in Montreal to be present for most of the day.