Current sea water temperature:
+45.0°F
| Minimum sea water temperature in April: | 47.8°F |
| Maximum sea water temperature in April: | 33.3°F |
| Average sea water temperature in April: | 38.9°F |
| more information | |
14 days
forecast
forecast
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
Sea water temperature for the last 10 days:
| April 27 | 45.0°F | April 22 | 41.4°F |
| April 26 | 45.0°F | April 21 | 42.3°F |
| April 25 | 45.1°F | April 20 | 45.3°F |
| April 24 | 44.1°F | April 19 | 45.9°F |
| April 23 | 45.0°F | April 18 | 41.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Niagara Falls?
Based on the data about daily sea water temperature for the last three years the warmest sea in Niagara Falls was noticed in August, July and September.
Monthly Sea Temperatures in Niagara Falls, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 75.9°F and 68.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 76.3°F and 65.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 69.3°F and 62.8°F.
current
weather
weather
| Niagara Falls |
weather in
May
May
| Niagara Falls |
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 12:58
April 27, monday
1500
75°F
NW
7 mph
7 mph
1800
68°F
NW
7 mph
7 mph
2100
61°F
NW
9 mph
9 mph
April 28, tuesday
0000
55°F
NW
12 mph
12 mph
0300
55°F
N
14 mph
14 mph
0600
55°F
N
15 mph
15 mph
0900
52°F
N
20 mph
20 mph
1200
54°F
N
19 mph
19 mph
