06.08
thu
thu
Day
66°F
NE 6 mph
Precip.
12%
12%
Night
59°F
NE 3 mph
Precip.
12%
12%
07.08
fri
fri
Day
84°F
E 5 mph
Precip.
3%
3%
Night
66°F
NE 3 mph
Precip.
14%
14%
08.08
sat
sat
Day
77°F
NW 5 mph
Precip.
16%
16%
Night
63°F
SE 1 mph
Precip.
45%
45%
09.08
sun
sun
Day
72°F
NE 6 mph
Precip.
24%
24%
Night
63°F
E 4 mph
Precip.
43%
43%
10.08
mon
mon
Day
79°F
SE 9 mph
Precip.
1%
1%
Night
66°F
N 4 mph
Precip.
9%
9%
11.08
tue
tue
Day
61°F
NE 9 mph
Precip.
42%
42%
Night
61°F
E 4 mph
Precip.
21%
21%
12.08
wed
wed
Day
72°F
SE 6 mph
Precip.
3%
3%
Night
55°F
NE 4 mph
Precip.
16%
16%
sea water
temperature
temperature
| Saint John |
monthly
weather
weather
| Saint John |
current
weather
weather
| Saint John |
14 days
forecast
forecast
| Saint John |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 61.7°F and 57.2°F.
Air temperature in Saint John, °F
Precipitation total in Saint John, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Saint John
Saint John on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 13:23
August 06, thursday
1500
75°F
NE
9 mph
9 mph
1800
77°F
NE
7 mph
7 mph
2100
63°F
NE
5 mph
5 mph
August 07, friday
0000
59°F
NE
3 mph
3 mph
0300
63°F
NE
2 mph
2 mph
0600
63°F
E
2 mph
2 mph
0900
75°F
E
2 mph
2 mph
1200
84°F
E
5 mph
5 mph
