06.08
thu
thu
Day
55°F
S 18 mph
Precip.
35%
35%
Night
55°F
S 11 mph
Precip.
33%
33%
07.08
fri
fri
Day
57°F
S 16 mph
Precip.
27%
27%
Night
54°F
S 8 mph
Precip.
31%
31%
08.08
sat
sat
Day
63°F
S 11 mph
Precip.
11%
11%
Night
52°F
S 4 mph
Precip.
25%
25%
09.08
sun
sun
Day
64°F
W 5 mph
Precip.
15%
15%
Night
57°F
N 9 mph
Precip.
29%
29%
10.08
mon
mon
Day
64°F
NE 10 mph
Precip.
36%
36%
Night
59°F
SE 12 mph
Precip.
30%
30%
11.08
tue
tue
Day
61°F
SW 4 mph
Precip.
13%
13%
Night
61°F
N 7 mph
Precip.
91%
91%
12.08
wed
wed
Day
63°F
SE 7 mph
Precip.
35%
35%
Night
61°F
E 13 mph
Precip.
11%
11%
13.08
thu
thu
Day
72°F
NE 7 mph
Precip.
7%
7%
Night
59°F
N 6 mph
Precip.
22%
22%
14.08
fri
fri
Day
64°F
NE 3 mph
Precip.
43%
43%
Night
63°F
E 4 mph
Precip.
43%
43%
15.08
sat
sat
Day
70°F
E 11 mph
Precip.
13%
13%
Night
57°F
E 12 mph
Precip.
11%
11%
16.08
sun
sun
Day
66°F
S 6 mph
Precip.
4%
4%
Night
54°F
N 4 mph
Precip.
13%
13%
17.08
mon
mon
Day
63°F
NW 9 mph
Precip.
7%
7%
Night
54°F
W 6 mph
Precip.
25%
25%
18.08
tue
tue
Day
61°F
W 10 mph
Precip.
22%
22%
Night
55°F
NW 4 mph
Precip.
43%
43%
19.08
wed
wed
Day
59°F
SW 8 mph
Precip.
49%
49%
Night
55°F
S 6 mph
Precip.
39%
39%
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 August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 60.6°F and 55.6°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: 12:03
August 06, thursday
1500
57°F
S
17 mph
17 mph
1800
55°F
S
17 mph
17 mph
2100
55°F
S
15 mph
15 mph
August 07, friday
0000
55°F
S
11 mph
11 mph
0300
55°F
S
12 mph
12 mph
0600
55°F
S
11 mph
11 mph
0900
55°F
S
14 mph
14 mph
1200
57°F
S
16 mph
16 mph
