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%
sea water
temperature
temperature
| Hamilton |
monthly
weather
weather
| Hamilton |
current
weather
weather
| Hamilton |
14 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
