Current sea water temperature:
+37.2°F
| Minimum sea water temperature in March: | 42.3°F |
| Maximum sea water temperature in March: | 31.8°F |
| Average sea water temperature in March: | 36.3°F |
| more information | |
14 days
forecast
forecast
| Toronto |
monthly
weather
weather
| Toronto |
Sea water temperature for the last 10 days:
| March 17 | 37.2°F | March 12 | 37.6°F |
| March 16 | 35.4°F | March 11 | 37.8°F |
| March 15 | 35.4°F | March 10 | 36.5°F |
| March 14 | 35.2°F | March 9 | 36.0°F |
| March 13 | 37.4°F | March 8 | 34.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Toronto?
Based on the data about daily sea water temperature for the last three years the warmest sea in Toronto was noticed in August, July and September.
Monthly Sea Temperatures in Toronto, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.2°F. The highest and lowest sea temperatures during the month were 77.5°F and 69.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 75.2°F and 61.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 69.3°F and 58.5°F.
current
weather
weather
| Toronto |
weather in
March
March
| Toronto |
Best time for vacation in Toronto
Toronto on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Toronto
Local time: 14:02
March 17, tuesday
1500
21°F
E
17 mph
17 mph
1800
21°F
E
15 mph
15 mph
2100
19°F
E
11 mph
11 mph
March 18, wednesday
0000
18°F
E
8 mph
8 mph
0300
19°F
E
6 mph
6 mph
0600
21°F
NE
4 mph
4 mph
0900
25°F
N
5 mph
5 mph
1200
28°F
N
8 mph
8 mph
