17.07
fri
fri
Day
64°F
NE 15 mph
Precip.
12%
12%
Night
54°F
NE 11 mph
Precip.
28%
28%
18.07
sat
sat
Day
64°F
E 11 mph
Precip.
17%
17%
Night
52°F
NE 7 mph
Precip.
12%
12%
19.07
sun
sun
Day
68°F
N 12 mph
Precip.
4%
4%
Night
55°F
N 25 mph
Precip.
57%
57%
20.07
mon
mon
Day
70°F
NE 15 mph
Precip.
5%
5%
Night
55°F
NE 12 mph
Precip.
11%
11%
21.07
tue
tue
Day
70°F
E 6 mph
Precip.
2%
2%
Night
55°F
N 6 mph
Precip.
25%
25%
22.07
wed
wed
Day
57°F
NW 12 mph
Precip.
18%
18%
Night
59°F
N 8 mph
Precip.
21%
21%
23.07
thu
thu
Day
77°F
NE 15 mph
Precip.
5%
5%
Night
66°F
NE 10 mph
Precip.
26%
26%
24.07
fri
fri
Day
75°F
N 12 mph
Precip.
16%
16%
Night
64°F
N 9 mph
Precip.
34%
34%
25.07
sat
sat
Day
72°F
N 13 mph
Precip.
17%
17%
Night
64°F
NE 13 mph
Precip.
37%
37%
26.07
sun
sun
Day
64°F
N 9 mph
Precip.
76%
76%
Night
61°F
E 5 mph
Precip.
51%
51%
27.07
mon
mon
Day
64°F
S 6 mph
Precip.
21%
21%
Night
54°F
W 2 mph
Precip.
38%
38%
28.07
tue
tue
Day
63°F
W 7 mph
Precip.
7%
7%
Night
52°F
NW 6 mph
Precip.
34%
34%
29.07
wed
wed
Day
54°F
W 8 mph
Precip.
35%
35%
Night
54°F
SE 6 mph
Precip.
43%
43%
30.07
thu
thu
Day
59°F
N 11 mph
Precip.
33%
33%
Night
63°F
NE 11 mph
Precip.
67%
67%
sea water
temperature
temperature
| St. John's |
monthly
weather
weather
| St. John's |
current
weather
weather
| St. John's |
7 days
forecast
forecast
| St. John's |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 49.7°F. The highest and lowest sea temperatures during the month were 51.8°F and 46.6°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: 08:16
July 17, friday
0900
63°F
N
15 mph
15 mph
1200
64°F
NE
15 mph
15 mph
1500
66°F
NE
9 mph
9 mph
1800
63°F
NE
9 mph
9 mph
2100
55°F
NE
9 mph
9 mph
July 18, saturday
0000
54°F
NE
11 mph
11 mph
0300
50°F
E
11 mph
11 mph
0600
52°F
NE
12 mph
12 mph
