Measurements:
°C
°F
CURRENT WEATHER
04:03
Saint John
30°F
NE 12 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Saint John Weather

14 Day Weather Forecast

03.30
mon
DAY
38°F
N 16 mph
precip
0%
NIGHT
38°F
E 6 mph
precip
0%
03.31
tue
DAY
44°F
S 6 mph
precip
0%
NIGHT
32°F
W 12 mph
precip
100%
04.01
wed
DAY
42°F
W 10 mph
precip
0%
NIGHT
28°F
SE 5 mph
precip
0%
04.02
thu
DAY
30°F
SW 7 mph
precip
0%
NIGHT
26°F
SW 9 mph
precip
100%
04.03
fri
DAY
26°F
W 15 mph
precip
100%
NIGHT
28°F
W 12 mph
precip
100%
04.04
sat
DAY
28°F
SW 11 mph
precip
100%
NIGHT
30°F
NW 10 mph
precip
100%
04.05
sun
DAY
36°F
N 12 mph
precip
100%
NIGHT
34°F
E 10 mph
precip
0%
04.06
mon
DAY
34°F
SE 14 mph
precip
77%
NIGHT
22°F
SE 11 mph
precip
0%
04.07
tue
DAY
26°F
SE 9 mph
precip
0%
NIGHT
20°F
S 4 mph
precip
0%
04.08
wed
DAY
32°F
N 6 mph
precip
0%
NIGHT
30°F
NE 11 mph
precip
0%
04.09
thu
DAY
40°F
NE 12 mph
precip
0%
NIGHT
30°F
NE 4 mph
precip
0%
04.10
fri
DAY
48°F
S 3 mph
precip
0%
NIGHT
32°F
S 11 mph
precip
0%
04.11
sat
DAY
38°F
S 9 mph
precip
0%
NIGHT
28°F
SE 2 mph
precip
0%
04.12
sun
DAY
42°F
N 11 mph
precip
0%
NIGHT
32°F
NE 6 mph
precip
0%

Saint John Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Saint John was 33.4°F. The maximum and minimum values were 32.0°F and 34.8°F respectively.

Saint John on the Weather Map

Best Time to Visit Saint John
The most sunny months:
September 10 days
October 10 days
August 9 days
The most warm months:
July 75.1 °F
August 74.3 °F
June 70.1 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 57.7 °F
The most cold months:
January 22.9 °F
February 23.7 °F
December 30.5 °F
The most rainy months:
July 3 days
October 3 days
June 2 days
The most windy months:
March 9 mph
December 9 mph
February 8 mph
more details
Canada Resorts:
NAME
F°
Halifax +28
Moncton +28
Montreal +32
Niagara Falls +34
Ottawa +30
Prince Edward Island +26
Quebec +18
Rocky Harbour +10
Saint John +30
St. John's +18
Sydney +26
Toronto +34
Vancouver +36
Victoria +32
Winnipeg +18
all resorts
24 Hours Weather Forecast
Saint John
Local time: 04:03
30 mar, monday
0600 30°F
NE
9 mph
0900 36°F
N
12 mph
1200 38°F
N
16 mph
1500 38°F
NE
19 mph
1800 38°F
NE
14 mph
2100 38°F
NE
12 mph
31 mar, tuesday
0000 38°F
E
6 mph
0300 38°F
SE
8 mph