Montreal weather: Mostly sunny skies with clouds and showers mid-week
Posted July 20, 2026 7:10 am.
Last Updated July 20, 2026 12:52 pm.
Montrealers woke up Monday morning to grey skies and 16 Celsius. But a lot of sunshine is on the way Monday before some more clouds and wet weather are expected earlier in the week.
Monday will see a high of 27 C with a humidex of 30 and a very high UV level. The evening gets increasing cloudy with a low of 18 C.
Tuesday is forecast to be mainly cloudy and gusty with up to 50 km/h. There is a 60 per cent chance of showers and a risk of thunderstorm in the afternoon. Showers are expected in the evening. Temperature-wise, Tuesday will see a high of 26 C with humidex of 32 and a low of 19 C.
More showers are expected Wednesday during the day with a high of 22 C before clouds clear for a low of 14 C.
Sunny weather returns Thursday and Friday with highs of 25 C and 28 C respectively and lows of 18 C on both days.