27.04
mon
mon
Day

64°F
W 8 mph
Precip.
0%
0%
Night

54°F
NW 13 mph
Precip.
0%
0%
28.04
tue
tue
Day

52°F
N 24 mph
Precip.
100%
100%
Night

50°F
NE 4 mph
Precip.
0%
0%
29.04
wed
wed
Day

43°F
S 6 mph
Precip.
100%
100%
Night

43°F
SE 12 mph
Precip.
0%
0%
30.04
thu
thu
Day

46°F
SE 9 mph
Precip.
0%
0%
Night

41°F
SE 8 mph
Precip.
0%
0%
01.05
fri
fri
Day

45°F
SE 6 mph
Precip.
85%
85%
Night

41°F
SE 12 mph
Precip.
0%
0%
02.05
sat
sat
Day

45°F
SE 12 mph
Precip.
0%
0%
Night

43°F
E 14 mph
Precip.
0%
0%
03.05
sun
sun
Day

39°F
SE 14 mph
Precip.
100%
100%
Night

39°F
SE 13 mph
Precip.
20%
20%
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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 39.0°F. The highest and lowest sea temperatures during the month were 45.7°F and 34.3°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 48.1°F. The highest and lowest sea temperatures during the month were 52.9°F and 42.4°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: 12:59
April 27, monday
1500

68°F
W
9 mph
9 mph
1800

59°F
W
8 mph
8 mph
2100

55°F
NW
9 mph
9 mph
April 28, tuesday
0000

54°F
NW
13 mph
13 mph
0300

54°F
N
15 mph
15 mph
0600

54°F
N
17 mph
17 mph
0900

52°F
N
25 mph
25 mph
1200

52°F
N
24 mph
24 mph



























