Measurements:
°C
°F
CURRENT WEATHER
11:33
Montreal
70°F
NE 5 mph
Feels like: 70°F
Precip: 31%
World Resorts Canada Montreal Weather

7 Day Weather Forecast

08.19
wed
DAY
70°F
NE 5 mph
precip
31%
NIGHT
64°F
NE 5 mph
precip
40%
08.20
thu
DAY
74°F
S 5 mph
precip
10%
NIGHT
62°F
S 4 mph
precip
3%
08.21
fri
DAY
72°F
NE 4 mph
precip
1%
NIGHT
62°F
NW 4 mph
precip
13%
08.22
sat
DAY
76°F
NW 11 mph
precip
4%
NIGHT
70°F
N 10 mph
precip
14%
08.23
sun
DAY
66°F
N 11 mph
precip
57%
NIGHT
60°F
NW 7 mph
precip
79%
08.24
mon
DAY
58°F
E 14 mph
precip
73%
NIGHT
58°F
E 4 mph
precip
17%
08.25
tue
DAY
68°F
NE 4 mph
precip
15%
NIGHT
64°F
W 4 mph
precip
16%

Montreal Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Montreal was 24.4°F. The maximum and minimum values were 23.1°F and 25.3°F respectively.

Montreal on the Weather Map

Best Time to Visit Montreal
The most sunny months:
July 14 days
August 14 days
June 13 days
The most warm months:
July 82.6 °F
August 80.3 °F
June 75.5 °F
Warmest sea temperature:
July 74.4 °F
August 74.2 °F
September 68.5 °F
The most cold months:
January 16.2 °F
February 19.0 °F
December 25.0 °F
The most rainy months:
June 5 days
May 5 days
July 5 days
The most windy months:
April 9 mph
March 9 mph
February 9 mph
more details