26.08
wed
wed
Day
77°F
N 6 mph
Precip.
12%
12%
Night
70°F
N 8 mph
Precip.
9%
9%
27.08
thu
thu
Day
72°F
E 10 mph
Precip.
49%
49%
Night
68°F
SE 9 mph
Precip.
9%
9%
28.08
fri
fri
Day
63°F
SW 7 mph
Precip.
8%
8%
Night
66°F
N 6 mph
Precip.
4%
4%
29.08
sat
sat
Day
73°F
NE 8 mph
Precip.
14%
14%
Night
70°F
NE 6 mph
Precip.
21%
21%
30.08
sun
sun
Day
73°F
NE 11 mph
Precip.
18%
18%
Night
66°F
N 4 mph
Precip.
27%
27%
31.08
mon
mon
Day
72°F
NE 9 mph
Precip.
24%
24%
Night
72°F
NE 7 mph
Precip.
63%
63%
01.09
tue
tue
Day
81°F
NE 12 mph
Precip.
7%
7%
Night
79°F
NE 17 mph
Precip.
12%
12%
sea water
temperature
temperature
| Niagara-on-the-Lake |
monthly
weather
weather
| Niagara-on-the-Lake |
current
weather
weather
| Niagara-on-the-Lake |
14 days
forecast
forecast
| Niagara-on-the-Lake |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 73.5°F. The highest and lowest sea temperatures during the month were 75.7°F and 71.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.0°F and 65.7°F.
Air temperature in Niagara-on-the-Lake, °F
Precipitation total in Niagara-on-the-Lake, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Niagara-on-the-Lake
Niagara-on-the-Lake on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 14:19
August 26, wednesday
1500
81°F
N
10 mph
10 mph
1800
75°F
N
9 mph
9 mph
2100
72°F
N
8 mph
8 mph
August 27, thursday
0000
70°F
N
8 mph
8 mph
0300
70°F
N
14 mph
14 mph
0600
68°F
NE
19 mph
19 mph
0900
70°F
NE
17 mph
17 mph
1200
72°F
E
10 mph
10 mph
