27.06
sat
sat
Day
64°F
NE 1 mph
Precip.
31%
31%
Night
55°F
NE 2 mph
Precip.
40%
40%
28.06
sun
sun
Day
64°F
SW 1 mph
Precip.
33%
33%
Night
54°F
NW 2 mph
Precip.
44%
44%
29.06
mon
mon
Day
72°F
N 3 mph
Precip.
14%
14%
Night
57°F
NE 5 mph
Precip.
34%
34%
30.06
tue
tue
Day
72°F
NE 4 mph
Precip.
6%
6%
Night
55°F
NW 3 mph
Precip.
22%
22%
01.07
wed
wed
Day
64°F
NW 6 mph
Precip.
11%
11%
Night
55°F
NE 4 mph
Precip.
42%
42%
02.07
thu
thu
Day
61°F
NE 6 mph
Precip.
32%
32%
Night
63°F
E 5 mph
Precip.
33%
33%
03.07
fri
fri
Day
66°F
S 11 mph
Precip.
22%
22%
Night
55°F
S 4 mph
Precip.
13%
13%
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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 48.7°F. The highest and lowest sea temperatures during the month were 51.3°F and 45.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 55.5°F. The highest and lowest sea temperatures during the month were 63.1°F and 49.8°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: 04:58
June 27, saturday
0600
55°F
W
1 mph
1 mph
0900
63°F
S
0 mph
0 mph
1200
64°F
NE
1 mph
1 mph
1500
68°F
N
2 mph
2 mph
1800
66°F
N
6 mph
6 mph
2100
57°F
NE
2 mph
2 mph
June 28, sunday
0000
55°F
NE
2 mph
2 mph
0300
54°F
NE
2 mph
2 mph
