27.04
mon
mon
Day
34°F
S 19 mph
Precip.
68%
68%
Night
25°F
SE 6 mph
Precip.
0%
0%
28.04
tue
tue
Day
39°F
NW 2 mph
Precip.
0%
0%
Night
28°F
NE 6 mph
Precip.
0%
0%
29.04
wed
wed
Day
41°F
NW 9 mph
Precip.
0%
0%
Night
30°F
N 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
41°F
NW 11 mph
Precip.
0%
0%
Night
34°F
NW 7 mph
Precip.
0%
0%
01.05
fri
fri
Day
41°F
W 9 mph
Precip.
89%
89%
Night
37°F
W 6 mph
Precip.
72%
72%
02.05
sat
sat
Day
43°F
W 11 mph
Precip.
0%
0%
Night
39°F
NW 6 mph
Precip.
0%
0%
03.05
sun
sun
Day
46°F
NW 11 mph
Precip.
0%
0%
Night
39°F
NW 9 mph
Precip.
0%
0%
sea water
temperature
temperature
| St. John's |
monthly
weather
weather
| St. John's |
current
weather
weather
| St. John's |
14 days
forecast
forecast
| St. John's |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 32.7°F. The highest and lowest sea temperatures during the month were 34.7°F and 31.5°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 36.7°F. The highest and lowest sea temperatures during the month were 38.5°F and 34.5°F.
Air temperature in St. John's, °F
Precipitation total in St. John's, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St. John's
St. John's on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 17:18
April 27, monday
1800
32°F
S
15 mph
15 mph
2100
27°F
S
9 mph
9 mph
April 28, tuesday
0000
25°F
SE
6 mph
6 mph
0300
25°F
SE
4 mph
4 mph
0600
28°F
SE
4 mph
4 mph
0900
34°F
SE
1 mph
1 mph
1200
39°F
NW
2 mph
2 mph
1500
39°F
NW
6 mph
6 mph
