Current sea water temperature:
+45.7°F
| Minimum sea water temperature in April: | 45.7°F |
| Maximum sea water temperature in April: | 34.3°F |
| Average sea water temperature in April: | 40.3°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:
| April 27 | 45.7°F | April 22 | 42.6°F |
| April 26 | 42.1°F | April 21 | 42.6°F |
| April 25 | 42.4°F | April 20 | 42.1°F |
| April 24 | 44.8°F | April 19 | 38.3°F |
| April 23 | 44.8°F | April 18 | 38.8°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
May
May
| 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: 14:28
April 27, monday
1500
68°F
W
9 mph
9 mph
1800
70°F
W
6 mph
6 mph
2100
59°F
NW
9 mph
9 mph
April 28, tuesday
0000
55°F
NW
13 mph
13 mph
0300
55°F
N
17 mph
17 mph
0600
54°F
N
24 mph
24 mph
0900
52°F
N
25 mph
25 mph
1200
54°F
N
24 mph
24 mph
