27.06
sat
sat
Day
57°F
N 3 mph
Precip.
15%
15%
Night
50°F
NE 6 mph
Precip.
18%
18%
28.06
sun
sun
Day
61°F
NW 8 mph
Precip.
18%
18%
Night
52°F
NE 4 mph
Precip.
55%
55%
29.06
mon
mon
Day
55°F
N 5 mph
Precip.
26%
26%
Night
52°F
NE 5 mph
Precip.
24%
24%
30.06
tue
tue
Day
63°F
NW 4 mph
Precip.
14%
14%
Night
52°F
E 3 mph
Precip.
22%
22%
01.07
wed
wed
Day
61°F
NW 9 mph
Precip.
15%
15%
Night
52°F
NE 7 mph
Precip.
21%
21%
02.07
thu
thu
Day
66°F
N 11 mph
Precip.
4%
4%
Night
54°F
NE 5 mph
Precip.
42%
42%
03.07
fri
fri
Day
57°F
N 8 mph
Precip.
44%
44%
Night
48°F
S 6 mph
Precip.
55%
55%
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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 40.2°F. The highest and lowest sea temperatures during the month were 44.1°F and 36.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 53.0°F. The highest and lowest sea temperatures during the month were 57.7°F and 47.3°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: 03:35
June 27, saturday
0600
48°F
N
6 mph
6 mph
0900
52°F
N
4 mph
4 mph
1200
57°F
N
3 mph
3 mph
1500
61°F
W
2 mph
2 mph
1800
57°F
N
2 mph
2 mph
2100
54°F
NE
2 mph
2 mph
June 28, sunday
0000
50°F
NE
6 mph
6 mph
0300
48°F
E
7 mph
7 mph
