Measurements:
°C
°F
Niagara Falls
64°F
SW 0 mph
Feels like: 64°F
Precip: 4%
World Resorts USA Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+65.2°F
Maximum Sea Water Temperature in June: 76.0°F
Minimum Sea Water Temperature in June: 50.0°F
Average water temperature in June: 63.6°F

Sea Water Temperature for the Last 10 Days:

June 24 65.2°F June 19 67.4°F
June 23 64.4°F June 18 66.0°F
June 22 63.6°F June 17 65.2°F
June 21 63.6°F June 16 65.4°F
June 20 65.2°F June 15 67.6°F

When is the Warmest Sea for Niagara Falls?

According to our data for the last three years for Niagara Falls the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Niagara Falls was 75.5°F. The maximum and minimum values were 70.4°F and 78.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Niagara Falls was 75.0°F. The maximum and minimum values were 67.2°F and 79.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Niagara Falls was 68.2°F. The maximum and minimum values were 64.2°F and 71.4°F respectively.

Best Time to Visit Niagara Falls
The most sunny months:
September 14 days
July 12 days
August 12 days
The most warm months:
July 81.8 °F
August 80.3 °F
June 75.6 °F
Warmest sea temperature:
August 75.2 °F
July 73.7 °F
September 71.5 °F
The most cold months:
January 26.7 °F
February 27.8 °F
December 34.4 °F
The most rainy months:
July 3 days
October 2 days
April 2 days
The most windy months:
November 11 mph
December 11 mph
January 11 mph

Niagara Falls on the Weather Map

USA Resorts:
NAME
Chicago +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +94
Los Angeles +66
Maui +74
Miami +80
Miami Beach +82
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Niagara Falls
Local time: 01:28
25 jun, thursday
0300 60°F
N
5 mph
0600 62°F
N
5 mph
0900 70°F
NE
8 mph
1200 66°F
N
9 mph
1500 70°F
N
9 mph
1800 70°F
E
5 mph
2100 64°F
NE
1 mph
26 jun, friday
0000 62°F
N
5 mph