Sunshine and mild temperatures expected this week in Montreal
Posted October 19, 2026 9:28 am.
Montreal residents can look forward to a stretch of sunny skies and relatively mild daytime temperatures, with clear nights expected to prevail through much of the week.
Monday will bring plenty of sunshine, with temperatures reaching a high of 17 Celusis. Winds will shift to the southwest at 20 km/h during the morning, while the UV index will remain at 3, or moderate. Skies are expected to stay clear overnight, with temperatures dropping to 6 C.
The sunny conditions will continue Tuesday, with a forecast high of 15 C and a clear night bringing temperatures down to 3 C.
Wednesday and Thursday will offer similar weather, with abundant sunshine and daytime highs of 14 C and 15 C, respectively. Overnight lows will dip to 4 C Wednesday night and 2 C Thursday night.
Cooler temperatures are expected toward the end of the workweek. Friday will remain sunny, but the high will reach just 11 C, with temperatures falling to 1 C overnight.
The weekend will bring a gradual return to milder conditions. Saturday is forecast to be sunny with a high of 13 C, followed by a clear night and a low of 4 C. On Sunday, a mix of sun and cloud is expected, with temperatures climbing to 16 C.
With sunshine forecast on most days and little overnight cloud cover, the week will offer a pleasant stretch of autumn weather, although chilly nights will serve as a reminder that the season is progressing.