Measurements:
°C
°F
Niagara Falls
50°F
N 6 mph
Feels like: 48°F
Precip: 4%
World Resorts Canada Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+61.2°F
Maximum Sea Water Temperature in October: 70.2°F
Minimum Sea Water Temperature in October: 50.0°F
Average water temperature in October: 62.6°F

Sea Water Temperature for the Last 10 Days:

October 19 61.2°F October 14 64.0°F
October 18 62.2°F October 13 63.4°F
October 17 64.8°F October 12 61.0°F
October 16 65.2°F October 11 61.4°F
October 15 63.8°F October 10 61.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Niagara Falls was 73.9°F. The maximum and minimum values were 69.4°F and 77.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Niagara Falls was 74.0°F. The maximum and minimum values were 69.6°F and 77.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Niagara Falls was 70.7°F. The maximum and minimum values were 61.6°F and 75.4°F respectively.

Best Time to Visit Niagara Falls
The most sunny months:
July 14 days
September 13 days
June 12 days
The most warm months:
July 82.3 °F
August 80.0 °F
June 75.6 °F
Warmest sea temperature:
August 75.0 °F
July 73.8 °F
September 71.4 °F
The most cold months:
January 26.6 °F
February 27.6 °F
December 34.2 °F
The most rainy months:
July 3 days
April 3 days
October 2 days
The most windy months:
November 12 mph
December 11 mph
February 11 mph

Niagara Falls on the Weather Map

Canada Resorts:
NAME
F°
Halifax +32
Moncton +36
Montreal +44
Nanaimo +48
Niagara Falls +50
Ottawa +38
Prince Edward Island +38
Quebec +38
Saint Andrews +46
St. John's +28
Sydney +30
Toronto +46
Vancouver +54
Victoria +50
Winnipeg +44
24 Hours Weather Forecast
Niagara Falls
Local time: 05:09
19 oct, monday
0600 50°F
N
6 mph
0900 54°F
N
7 mph
1200 62°F
NE
9 mph
1500 66°F
NE
7 mph
1800 60°F
NE
5 mph
2100 56°F
NE
4 mph
20 oct, tuesday
0000 52°F
NE
2 mph
0300 50°F
SW
4 mph