15.01
thu
thu
Day
41°F
NW 1 mph
Precip.
0%
0%
Night
39°F
N 12 mph
Precip.
0%
0%
16.01
fri
fri
Day
25°F
E 19 mph
Precip.
0%
0%
Night
23°F
E 9 mph
Precip.
0%
0%
17.01
sat
sat
Day
32°F
NE 8 mph
Precip.
0%
0%
Night
32°F
E 3 mph
Precip.
100%
100%
18.01
sun
sun
Day
36°F
NE 4 mph
Precip.
84%
84%
Night
32°F
SW 4 mph
Precip.
100%
100%
19.01
mon
mon
Day
34°F
NW 16 mph
Precip.
100%
100%
Night
21°F
E 17 mph
Precip.
0%
0%
20.01
tue
tue
Day
25°F
E 13 mph
Precip.
0%
0%
Night
10°F
SE 9 mph
Precip.
0%
0%
21.01
wed
wed
Day
1°F
E 15 mph
Precip.
0%
0%
Night
-2°F
E 14 mph
Precip.
0%
0%
22.01
thu
thu
Day
7°F
E 7 mph
Precip.
0%
0%
Night
1°F
SE 5 mph
Precip.
0%
0%
23.01
fri
fri
Day
19°F
E 9 mph
Precip.
0%
0%
Night
34°F
NE 17 mph
Precip.
100%
100%
24.01
sat
sat
Day
34°F
NE 6 mph
Precip.
100%
100%
Night
32°F
E 7 mph
Precip.
24%
24%
25.01
sun
sun
Day
10°F
SE 15 mph
Precip.
78%
78%
Night
-13°F
E 16 mph
Precip.
0%
0%
26.01
mon
mon
Day
-9°F
E 17 mph
Precip.
79%
79%
Night
0°F
SE 14 mph
Precip.
0%
0%
27.01
tue
tue
Day
9°F
E 9 mph
Precip.
100%
100%
Night
9°F
SE 2 mph
Precip.
0%
0%
28.01
wed
wed
Day
30°F
N 9 mph
Precip.
100%
100%
Night
32°F
E 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Saint John |
monthly
weather
weather
| Saint John |
current
weather
weather
| Saint John |
7 days
forecast
forecast
| Saint John |
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 40.6°F. The highest and lowest sea temperatures during the month were 41.7°F and 39.9°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: 15:09
January 15, thursday
1800
41°F
N
11 mph
11 mph
2100
41°F
N
12 mph
12 mph
January 16, friday
0000
39°F
N
12 mph
12 mph
0300
36°F
NE
14 mph
14 mph
0600
32°F
NE
14 mph
14 mph
0900
28°F
NE
21 mph
21 mph
1200
25°F
E
19 mph
19 mph
1500
27°F
E
19 mph
19 mph
