World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

17.03
tue
Day
46°F
NE 24 mph
Precip.
100%
Night
27°F
SE 12 mph
Precip.
0%
18.03
wed
Day
28°F
E 15 mph
Precip.
0%
Night
25°F
S 4 mph
Precip.
0%
19.03
thu
Day
30°F
NW 8 mph
Precip.
0%
Night
30°F
NW 4 mph
Precip.
0%
20.03
fri
Day
34°F
N 11 mph
Precip.
83%
Night
36°F
NE 12 mph
Precip.
100%
21.03
sat
Day
36°F
SE 15 mph
Precip.
0%
Night
25°F
SE 8 mph
Precip.
0%
22.03
sun
Day
30°F
NW 7 mph
Precip.
100%
Night
32°F
W 8 mph
Precip.
100%
23.03
mon
Day
34°F
S 9 mph
Precip.
100%
Night
30°F
SE 9 mph
Precip.
80%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 35.2°F. The highest and lowest sea temperatures during the month were 36.3°F and 33.8°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

Sunniest months:
September 10 days
October 10 days
August 9 days
Warmest months:
July 72.6 °F
August 71.8 °F
June 68.1 °F
Warmest sea temp:
August 59.6 °F
September 58.4 °F
July 56.9 °F
Coldest months:
January 25.6 °F
February 26.3 °F
December 32.4 °F
Rainiest months:
October 3 days
July 3 days
June 2 days
Windiest months:
December 9.0 mph
March 8.8 mph
February 8.6 mph

Saint John on a weather map

Current weather
08:51
Saint John
+48°F
N 30 mph
Feels like: +39°F
Precip.: 100%
Places in Canada:
Name
°F
Vancouver
+48°F
Victoria
+48°F
Winnipeg
0°F
Halifax
+55°F
Quebec
+28°F
Kingston
+16°F
Moncton
+59°F
Montreal
+23°F
Niagara Falls
+14°F
Prince Edward Island
+52°F
Ottawa
+14°F
Saint John
+48°F
St. John's
+39°F
Sydney
+48°F
Toronto
+12°F
all places
24 Hours Forecast
Saint John
Local time: 08:51
March 17, tuesday
0900
48°F
N
30 mph
1200
46°F
NE
24 mph
1500
43°F
NE
21 mph
1800
37°F
NE
20 mph
2100
34°F
E
15 mph
March 18, wednesday
0000
27°F
SE
12 mph
0300
21°F
E
12 mph
0600
18°F
E
12 mph
Units of measurement: °C / °F