World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

06.04
mon
Day
43°F
E 12 mph
Precip.
0%
Night
30°F
SE 9 mph
Precip.
79%
07.04
tue
Day
39°F
E 4 mph
Precip.
0%
Night
30°F
S 6 mph
Precip.
0%
08.04
wed
Day
39°F
SE 7 mph
Precip.
0%
Night
32°F
NE 9 mph
Precip.
0%
09.04
thu
Day
45°F
NE 13 mph
Precip.
0%
Night
34°F
N 12 mph
Precip.
0%
10.04
fri
Day
45°F
NE 16 mph
Precip.
0%
Night
37°F
N 9 mph
Precip.
0%
11.04
sat
Day
48°F
SE 11 mph
Precip.
60%
Night
36°F
SE 12 mph
Precip.
0%
12.04
sun
Day
45°F
SE 6 mph
Precip.
0%
Night
36°F
NE 9 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 37.1°F. The highest and lowest sea temperatures during the month were 41.2°F and 34.3°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:
July 3 days
October 3 days
June 2 days
Windiest months:
March 9.0 mph
December 9.0 mph
February 8.6 mph

Saint John on a weather map

Current weather
23:23
Saint John
+30°F
SE 9 mph
Feels like: +21°F
Precip.: 79%
Places in Canada:
Name
°F
Vancouver
+59°F
Victoria
+61°F
Winnipeg
+23°F
Halifax
+34°F
Quebec
+23°F
Les Iles-de-la-Madeleine
+30°F
Montreal
+32°F
Prince Edward Island
+30°F
Ottawa
+32°F
Saint John
+30°F
St. John's
+36°F
Sydney
+30°F
Thunder Bay
+18°F
Toronto
+34°F
Tofino
+48°F
all places
24 Hours Forecast
Saint John
Local time: 23:23
April 07, tuesday
0000
30°F
SE
9 mph
0300
28°F
SE
7 mph
0600
30°F
SE
6 mph
0900
32°F
SE
8 mph
1200
39°F
E
4 mph
1500
36°F
N
8 mph
1800
34°F
N
4 mph
2100
32°F
S
1 mph
Units of measurement: °C / °F