29.09
tue
tue
Day
64°F
SE 2 mph
Precip.
19%
19%
Night
63°F
NE 9 mph
Precip.
23%
23%
30.09
wed
wed
Day
68°F
NE 12 mph
Precip.
18%
18%
Night
64°F
NE 12 mph
Precip.
29%
29%
01.10
thu
thu
Day
68°F
NE 16 mph
Precip.
18%
18%
Night
72°F
NE 13 mph
Precip.
20%
20%
02.10
fri
fri
Day
61°F
E 15 mph
Precip.
25%
25%
Night
57°F
SE 13 mph
Precip.
4%
4%
03.10
sat
sat
Day
55°F
SW 12 mph
Precip.
4%
4%
Night
52°F
W 9 mph
Precip.
5%
5%
04.10
sun
sun
Day
59°F
E 5 mph
Precip.
8%
8%
Night
55°F
SE 22 mph
Precip.
5%
5%
05.10
mon
mon
Day
52°F
SE 20 mph
Precip.
3%
3%
Night
48°F
SE 12 mph
Precip.
5%
5%
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 September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 73.4°F and 64.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 68.5°F and 56.3°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: 20:33
September 29, tuesday
2100
64°F
N
9 mph
9 mph
September 30, wednesday
0000
63°F
NE
9 mph
9 mph
0300
63°F
NE
9 mph
9 mph
0600
61°F
NE
8 mph
8 mph
0900
63°F
NE
9 mph
9 mph
1200
68°F
NE
12 mph
12 mph
1500
70°F
NE
16 mph
16 mph
1800
68°F
NE
7 mph
7 mph
