06.08
thu
thu
Day

82°F
NE 5 mph
Precip.
7%
7%
Night

73°F
NE 4 mph
Precip.
15%
15%
07.08
fri
fri
Day

82°F
NE 7 mph
Precip.
7%
7%
Night

72°F
NE 4 mph
Precip.
63%
63%
08.08
sat
sat
Day

81°F
NE 6 mph
Precip.
5%
5%
Night

68°F
N 6 mph
Precip.
42%
42%
09.08
sun
sun
Day

79°F
NE 8 mph
Precip.
7%
7%
Night

70°F
E 3 mph
Precip.
12%
12%
10.08
mon
mon
Day

75°F
N 5 mph
Precip.
17%
17%
Night

70°F
NE 4 mph
Precip.
33%
33%
11.08
tue
tue
Day

73°F
E 9 mph
Precip.
24%
24%
Night

64°F
S 4 mph
Precip.
7%
7%
12.08
wed
wed
Day

72°F
SE 3 mph
Precip.
2%
2%
Night

63°F
N 5 mph
Precip.
9%
9%
13.08
thu
thu
Day

68°F
NE 9 mph
Precip.
30%
30%
Night

59°F
E 9 mph
Precip.
9%
9%
14.08
fri
fri
Day

66°F
E 9 mph
Precip.
5%
5%
Night

59°F
NE 7 mph
Precip.
10%
10%
15.08
sat
sat
Day

68°F
NE 8 mph
Precip.
17%
17%
Night

61°F
NE 7 mph
Precip.
12%
12%
16.08
sun
sun
Day

63°F
E 11 mph
Precip.
14%
14%
Night

55°F
E 8 mph
Precip.
6%
6%
17.08
mon
mon
Day

61°F
E 11 mph
Precip.
13%
13%
Night

54°F
SE 6 mph
Precip.
6%
6%
18.08
tue
tue
Day

64°F
E 9 mph
Precip.
1%
1%
Night

63°F
N 4 mph
Precip.
9%
9%
19.08
wed
wed
Day

72°F
N 11 mph
Precip.
6%
6%
Night

70°F
NE 7 mph
Precip.
56%
56%
sea water
temperature
temperature
| Montreal |
monthly
weather
weather
| Montreal |
current
weather
weather
| Montreal |
7 days
forecast
forecast
| Montreal |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 79.2°F and 68.7°F.
Air temperature in Montreal, °F
Precipitation total in Montreal, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Montreal
Montreal on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 11:25
August 06, thursday
1200

82°F
NE
5 mph
5 mph
1500

86°F
NE
6 mph
6 mph
1800

84°F
NE
6 mph
6 mph
2100

75°F
NE
5 mph
5 mph
August 07, friday
0000

73°F
NE
4 mph
4 mph
0300

72°F
NE
5 mph
5 mph
0600

68°F
NE
6 mph
6 mph
0900

75°F
NE
6 mph
6 mph


























