World Resorts Canada Saint John Weather

Saint John 14 Days Forecast

05.10
mon
Day
55°F
W 3 mph
Precip.
76%
Night
46°F
E 14 mph
Precip.
10%
06.10
tue
Day
50°F
E 19 mph
Precip.
3%
Night
46°F
SE 13 mph
Precip.
15%
07.10
wed
Day
52°F
NE 8 mph
Precip.
2%
Night
52°F
N 15 mph
Precip.
12%
08.10
thu
Day
57°F
NE 16 mph
Precip.
30%
Night
52°F
NE 5 mph
Precip.
42%
09.10
fri
Day
54°F
E 7 mph
Precip.
20%
Night
43°F
E 9 mph
Precip.
7%
10.10
sat
Day
48°F
SE 14 mph
Precip.
2%
Night
37°F
SE 7 mph
Precip.
5%
11.10
sun
Day
43°F
NE 6 mph
Precip.
15%
Night
55°F
NE 19 mph
Precip.
27%
12.10
mon
Day
55°F
NE 13 mph
Precip.
32%
Night
43°F
S 14 mph
Precip.
22%
13.10
tue
Day
46°F
S 12 mph
Precip.
1%
Night
37°F
S 3 mph
Precip.
16%
14.10
wed
Day
54°F
NE 15 mph
Precip.
14%
Night
45°F
NE 6 mph
Precip.
31%
15.10
thu
Day
54°F
NE 11 mph
Precip.
74%
Night
50°F
SE 6 mph
Precip.
84%
16.10
fri
Day
45°F
SW 15 mph
Precip.
69%
Night
46°F
W 16 mph
Precip.
66%
17.10
sat
Day
52°F
W 11 mph
Precip.
76%
Night
57°F
NE 2 mph
Precip.
79%
18.10
sun
Day
48°F
SW 16 mph
Precip.
32%
Night
43°F
SW 14 mph
Precip.
23%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 57.9°F and 52.5°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 72.4 °F
August 71.5 °F
June 67.7 °F
Warmest sea temp:
August 59.4 °F
September 58.2 °F
July 56.6 °F
Coldest months:
January 25.6 °F
February 26.3 °F
December 32.4 °F
Rainiest months:
August 3 days
October 3 days
July 3 days
Windiest months:
March 9.0 mph
December 9.0 mph
February 8.6 mph

Saint John on a weather map

Saint John
+54°F
SE 9 mph
Feels like: +50°F
Precip.: 26%
Places in Canada:
Name
°F
+55°F
+59°F
+63°F
+61°F
+48°F
+55°F
+50°F
+61°F
+57°F
+46°F
+50°F
+55°F
+57°F
+55°F
24 Hours Forecast
Saint John
Local time: 17:35
October 05, monday
1800
54°F
SE
9 mph
2100
48°F
E
10 mph
October 06, tuesday
0000
46°F
E
14 mph
0300
43°F
E
14 mph
0600
43°F
E
15 mph
0900
43°F
E
17 mph
1200
50°F
E
19 mph
1500
54°F
E
17 mph
Units of measurement: °C / °F