23.10
fri
fri
Day
45°F
S 19 mph
Precip.
13%
13%
Night
34°F
S 6 mph
Precip.
20%
20%
24.10
sat
sat
Day
45°F
SE 6 mph
Precip.
6%
6%
Night
39°F
SE 5 mph
Precip.
8%
8%
25.10
sun
sun
Day
54°F
E 4 mph
Precip.
2%
2%
Night
43°F
NE 8 mph
Precip.
12%
12%
26.10
mon
mon
Day
55°F
NE 9 mph
Precip.
7%
7%
Night
46°F
SE 11 mph
Precip.
14%
14%
27.10
tue
tue
Day
41°F
SE 11 mph
Precip.
1%
1%
Night
34°F
SE 7 mph
Precip.
10%
10%
28.10
wed
wed
Day
41°F
SE 6 mph
Precip.
1%
1%
Night
36°F
E 4 mph
Precip.
14%
14%
29.10
thu
thu
Day
48°F
NE 13 mph
Precip.
8%
8%
Night
50°F
NE 15 mph
Precip.
23%
23%
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 October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 54.4°F. The highest and lowest sea temperatures during the month were 58.5°F and 52.5°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 49.9°F. The highest and lowest sea temperatures during the month were 53.8°F and 47.1°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: 23:51
October 24, saturday
0000
34°F
S
6 mph
6 mph
0300
34°F
SE
7 mph
7 mph
0600
32°F
S
7 mph
7 mph
0900
34°F
SE
5 mph
5 mph
1200
45°F
SE
6 mph
6 mph
1500
52°F
SE
6 mph
6 mph
1800
45°F
SE
3 mph
3 mph
2100
39°F
SE
6 mph
6 mph
