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October weather forecast in Saint John

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

28 September, sun

	750 mmHg		84%
	5 m/s		+14

28 September, Sunday. day, 18°; night, 10°; rain

29 September, mon

	750 mmHg		82%
	5.4 m/s		+13

29 September, Monday. day, 16°; night, 10°; overcast

30 September, tue

	751 mmHg		81%
	5 m/s		+13

30 September, Tuesday. day, 16°; night, 8°; clear

1 October, wed

	751 mmHg		83%
	4.4 m/s		+13

1 October, Wednesday. day, 16°; night, 8°; partly cloudy

2 October, thu

	750 mmHg		81%
	4.9 m/s		+13

2 October, Thursday. day, 16°; night, 8°; partly cloudy

3 October, fri

	751 mmHg		79%
	4.69 m/s		+13

3 October, Friday. day, 16°; night, 8°; clear

4 October, sat

	753 mmHg		80%
	4.4 m/s		+13

4 October, Saturday. day, 15°; night, 7°; clear

5 October, sun

	752 mmHg		80%
	4.6 m/s		+13

5 October, Sunday. day, 15°; night, 8°; rain

6 October, mon

	752 mmHg		77%
	4.8 m/s		+13

6 October, Monday. day, 14°; night, 7°; clear

7 October, tue

	751 mmHg		80%
	5.3 m/s		+13

7 October, Tuesday. day, 14°; night, 7°; partly cloudy

8 October, wed

	749 mmHg		78%
	5.4 m/s		+13

8 October, Wednesday. day, 14°; night, 8°; rain

9 October, thu

	751 mmHg		80%
	5 m/s		+13

9 October, Thursday. day, 13°; night, 6°; rain

10 October, fri

	750 mmHg		80%
	5.1 m/s		+12

10 October, Friday. day, 14°; night, 7°; rain

11 October, sat

	750 mmHg		78%
	5.3 m/s		+12

11 October, Saturday. day, 13°; night, 7°; clear

12 October, sun

	751 mmHg		79%
	4.9 m/s		+12

12 October, Sunday. day, 13°; night, 5°; clear

13 October, mon

	751 mmHg		81%
	4.4 m/s		+12

13 October, Monday. day, 13°; night, 6°; partly cloudy

14 October, tue

	749 mmHg		84%
	4.8 m/s		+12

14 October, Tuesday. day, 14°; night, 7°; overcast

15 October, wed

	747 mmHg		80%
	6 m/s		+12

15 October, Wednesday. day, 13°; night, 7°; rain

16 October, thu

	746 mmHg		80%
	5.8 m/s		+12

16 October, Thursday. day, 12°; night, 7°; rain

17 October, fri

	746 mmHg		79%
	5.7 m/s		+12

17 October, Friday. day, 12°; night, 6°; rain

18 October, sat

	748 mmHg		79%
	5.1 m/s		+12

18 October, Saturday. day, 11°; night, 4°; clear

19 October, sun

	749 mmHg		78%
	5.1 m/s		+12

19 October, Sunday. day, 12°; night, 4°; clear

20 October, mon

	748 mmHg		79%
	5.3 m/s		+12

20 October, Monday. day, 12°; night, 5°; partly cloudy

21 October, tue

	748 mmHg		77%
	5 m/s		+12

21 October, Tuesday. day, 13°; night, 6°; clear

22 October, wed

	749 mmHg		79%
	5.7 m/s		+12

22 October, Wednesday. day, 11°; night, 5°; rain

23 October, thu

	749 mmHg		79%
	5.3 m/s		+12

23 October, Thursday. day, 10°; night, 4°; partly cloudy

24 October, fri

	749 mmHg		79%
	5.4 m/s		+12

24 October, Friday. day, 11°; night, 5°; overcast

25 October, sat

	749 mmHg		78%
	5.1 m/s		+11

25 October, Saturday. day, 10°; night, 5°; overcast

26 October, sun

	750 mmHg		78%
	5.4 m/s		+11

26 October, Sunday. day, 10°; night, 4°; clear

27 October, mon

	750 mmHg		80%
	5.3 m/s		+11

27 October, Monday. day, 10°; night, 4°; rain

28 October, tue

	750 mmHg		79%
	6 m/s		+11

28 October, Tuesday. day, 9°; night, 4°; rain

29 October, wed

	748 mmHg		79%
	5.7 m/s		+11

29 October, Wednesday. day, 9°; night, 3°; partly cloudy

30 October, thu

	748 mmHg		77%
	6 m/s		+11

30 October, Thursday. day, 8°; night, 3°; rain

31 October, fri

	749 mmHg		78%
	5.7 m/s		+11

31 October, Friday. day, 10°; night, 3°; clear

1 November, sat

	749 mmHg		80%
	5.7 m/s		+11

1 November, Saturday. day, 10°; night, 5°; rain

Average data for 10 years

Saint John October

10

sunny days

11

days with precipitation

10

cloudy days

10 sunny days; 11 days with precipitation; 10 cloudy days;

79

%

air humidity

3.7

m/s

WindSW

118

mm of precipitation

(10% of annual average)

+12

°C

Water temperature

air humidity 79%; 118 millimeters of precipitation (10% of annual average); Wind south-westerly 3.7 Meters per second; Water temperature +12°

Weather graphs for October

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

SW

S

SW

SW

SW

SW

S

S

SW

SW

S

S

SW

SW

SW

SW

SW

S

SW

S

SW

S

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Halifax
Bangor
Liverpool
New Glasgow
Augusta
Bridgewater
Bonaventure
Iles de la Madeleine
Charlottetown

Cities with similar weather in October

Riga
Stockholm
Yurmala
Toronto
Palanga
Dublin
Copenhagen
Gdansk
Balkhash

The weather forecast for October 2025 is based on historical data from the past 10 years.

In October, the weather in Saint John is typically warm. Average daily high temperature in October is about 12 degrees above zero. On average, Saint John has 11 rainy, 10 sunny, 7 partly cloudy, and 3 cloudy days in October. The rains are usually heavy. October as well as March, April, May, and November is considered the most uncomfortable time to visit Saint John.

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