World Resorts USA Niagara Falls Weather

Niagara Falls sea water temperature

Current sea water temperature:
+74.3°F
Minimum sea water temperature in August: 76.3°F
Maximum sea water temperature in August: 65.3°F
Average sea water temperature in August: 72.6°F

Sea water temperature for the last 10 days:

August 25 74.3°F August 20 71.6°F
August 24 74.3°F August 19 71.4°F
August 23 74.5°F August 18 72.7°F
August 22 73.0°F August 17 72.9°F
August 21 74.1°F August 16 73.2°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 71.8°F. The highest and lowest sea temperatures during the month were 74.5°F and 67.5°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 71.6°F. The highest and lowest sea temperatures during the month were 74.3°F and 67.6°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.

Best time for vacation in Niagara Falls

Sunniest months:
September 14 days
July 14 days
June 12 days
Warmest months:
July 79.5 °F
August 77.3 °F
June 73.7 °F
Warmest sea temp:
August 72.6 °F
July 71.4 °F
September 69.4 °F
Coldest months:
January 29.1 °F
February 30.0 °F
December 35.9 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
November 11.3 mph
December 11.0 mph
January 10.8 mph

Niagara Falls on a weather map

Niagara Falls
+73°F
SE 6 mph
Feels like: +77°F
Precip.: 15%
Places in USA:
Name
°F
+79°F
+86°F
+79°F
+106°F
+95°F
+91°F
+64°F
+84°F
+79°F
+90°F
+66°F
+81°F
+95°F
+102°F
+79°F
24 Hours Forecast
Niagara Falls
Local time: 15:34
August 25, tuesday
1800
70°F
NE
8 mph
2100
68°F
NE
6 mph
August 26, wednesday
0000
66°F
NE
4 mph
0300
63°F
N
3 mph
0600
63°F
N
4 mph
0900
66°F
NE
6 mph
1200
73°F
N
6 mph
1500
77°F
NE
7 mph
Units of measurement: °C / °F