Current sea water temperature:
+37.4°F
| Minimum sea water temperature in March: | 40.6°F |
| Maximum sea water temperature in March: | 33.6°F |
| Average sea water temperature in March: | 36.7°F |
| more information | |
14 days
forecast
forecast
| Niagara-on-the-Lake |
monthly
weather
weather
| Niagara-on-the-Lake |
Sea water temperature for the last 10 days:
| March 17 | 37.4°F | March 12 | 35.6°F |
| March 16 | 34.7°F | March 11 | 37.2°F |
| March 15 | 34.7°F | March 10 | 36.5°F |
| March 14 | 35.6°F | March 9 | 35.8°F |
| March 13 | 37.0°F | March 8 | 34.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Niagara-on-the-Lake?
Based on the data about daily sea water temperature for the last three years the warmest sea in Niagara-on-the-Lake was noticed in August, July and September.
Monthly Sea Temperatures in Niagara-on-the-Lake, °F
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 77.7°F and 70.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 74.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 67.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.0°F and 65.7°F.
current
weather
weather
| Niagara-on-the-Lake |
weather in
March
March
| Niagara-on-the-Lake |
Best time for vacation in Niagara-on-the-Lake
Niagara-on-the-Lake on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 04:37
March 17, tuesday
0600

12°F
E
30 mph
30 mph
0900

14°F
E
27 mph
27 mph
1200

21°F
E
25 mph
25 mph
1500

25°F
E
23 mph
23 mph
1800

23°F
E
22 mph
22 mph
2100

21°F
E
16 mph
16 mph
March 18, wednesday
0000

23°F
E
12 mph
12 mph
0300

21°F
E
9 mph
9 mph



























