26.08
wed
wed
Day

81°F
N 9 mph
Precip.
11%
11%
Night

68°F
N 9 mph
Precip.
13%
13%
27.08
thu
thu
Day

77°F
E 11 mph
Precip.
12%
12%
Night

66°F
SE 6 mph
Precip.
10%
10%
28.08
fri
fri
Day

68°F
SW 7 mph
Precip.
8%
8%
Night

64°F
NE 4 mph
Precip.
6%
6%
29.08
sat
sat
Day

77°F
NE 11 mph
Precip.
9%
9%
Night

70°F
NE 4 mph
Precip.
11%
11%
30.08
sun
sun
Day

75°F
NE 10 mph
Precip.
13%
13%
Night

66°F
N 3 mph
Precip.
28%
28%
31.08
mon
mon
Day

75°F
NE 9 mph
Precip.
20%
20%
Night

72°F
NE 6 mph
Precip.
52%
52%
01.09
tue
tue
Day

86°F
E 13 mph
Precip.
3%
3%
Night

81°F
E 12 mph
Precip.
9%
9%
02.09
wed
wed
Day

81°F
E 8 mph
Precip.
2%
2%
Night

70°F
SE 3 mph
Precip.
31%
31%
03.09
thu
thu
Day

75°F
S 2 mph
Precip.
12%
12%
Night

68°F
SW 12 mph
Precip.
23%
23%
04.09
fri
fri
Day

64°F
SW 16 mph
Precip.
21%
21%
Night

63°F
W 15 mph
Precip.
40%
40%
05.09
sat
sat
Day

66°F
W 7 mph
Precip.
31%
31%
Night

63°F
S 3 mph
Precip.
35%
35%
06.09
sun
sun
Day

72°F
W 3 mph
Precip.
8%
8%
Night

68°F
SW 4 mph
Precip.
24%
24%
07.09
mon
mon
Day

72°F
W 7 mph
Precip.
19%
19%
Night

66°F
SW 5 mph
Precip.
28%
28%
08.09
tue
tue
Day

63°F
W 12 mph
Precip.
16%
16%
Night

61°F
W 15 mph
Precip.
36%
36%
sea water
temperature
temperature
| Hamilton |
monthly
weather
weather
| Hamilton |
current
weather
weather
| Hamilton |
7 days
forecast
forecast
| Hamilton |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.0°F. The highest and lowest sea temperatures during the month were 72.7°F and 64.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.3°F. The highest and lowest sea temperatures during the month were 70.2°F and 60.4°F.
Air temperature in Hamilton, °F
Precipitation total in Hamilton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hamilton
Hamilton on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Hamilton
Local time: 12:57
August 26, wednesday
1500

82°F
N
13 mph
13 mph
1800

77°F
NE
12 mph
12 mph
2100

70°F
N
9 mph
9 mph
August 27, thursday
0000

68°F
N
9 mph
9 mph
0300

68°F
NE
12 mph
12 mph
0600

66°F
NE
13 mph
13 mph
0900

68°F
NE
11 mph
11 mph
1200

77°F
E
11 mph
11 mph




























