Measurements:
°C
°F
Niagara Falls
70°F
NE 9 mph
Feels like: 70°F
Precip: 85%
World Resorts Canada Niagara Falls Weather

7 Day Weather Forecast

08.19
wed
DAY
76°F
NE 11 mph
precip
79%
NIGHT
66°F
SW 5 mph
precip
22%
08.20
thu
DAY
76°F
S 6 mph
precip
1%
NIGHT
68°F
NW 3 mph
precip
2%
08.21
fri
DAY
78°F
N 9 mph
precip
3%
NIGHT
72°F
N 6 mph
precip
7%
08.22
sat
DAY
82°F
N 10 mph
precip
1%
NIGHT
66°F
E 4 mph
precip
34%
08.23
sun
DAY
72°F
E 11 mph
precip
48%
NIGHT
62°F
SE 9 mph
precip
26%
08.24
mon
DAY
70°F
SE 9 mph
precip
3%
NIGHT
68°F
NE 4 mph
precip
19%
08.25
tue
DAY
76°F
N 5 mph
precip
5%
NIGHT
72°F
N 5 mph
precip
7%

Niagara Falls Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Niagara Falls was 21.8°F. The maximum and minimum values were 19.7°F and 23.0°F respectively.

Niagara Falls on the Weather Map

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 79.8 °F
June 75.6 °F
Warmest sea temperature:
August 75.2 °F
July 73.8 °F
September 71.5 °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