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October weather forecast in Carmarthen

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

	746 mmHg		85%
	6.2 m/s		+16

28 September, Sunday. day, 16°; night, 10°; overcast

29 September, mon

	745 mmHg		85%
	6.2 m/s		+16

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

30 September, tue

	743 mmHg		88%
	6.9 m/s		+16

30 September, Tuesday. day, 16°; night, 11°; rain

1 October, wed

	742 mmHg		85%
	6.7 m/s		+16

1 October, Wednesday. day, 15°; night, 11°; rain

2 October, thu

	744 mmHg		84%
	6.3 m/s		+15

2 October, Thursday. day, 15°; night, 10°; partly cloudy

3 October, fri

	745 mmHg		85%
	7 m/s		+15

3 October, Friday. day, 15°; night, 10°; rain

4 October, sat

	744 mmHg		84%
	7.3 m/s		+15

4 October, Saturday. day, 14°; night, 9°; overcast

5 October, sun

	744 mmHg		84%
	7 m/s		+15

5 October, Sunday. day, 14°; night, 9°; rain

6 October, mon

	744 mmHg		84%
	6.9 m/s		+15

6 October, Monday. day, 15°; night, 10°; partly cloudy

7 October, tue

	745 mmHg		85%
	6.8 m/s		+15

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

8 October, wed

	746 mmHg		85%
	5.9 m/s		+15

8 October, Wednesday. day, 15°; night, 10°; rain

9 October, thu

	746 mmHg		86%
	6.7 m/s		+15

9 October, Thursday. day, 14°; night, 10°; partly cloudy

10 October, fri

	746 mmHg		84%
	6.7 m/s		+15

10 October, Friday. day, 14°; night, 9°; partly cloudy

11 October, sat

	745 mmHg		86%
	6.1 m/s		+15

11 October, Saturday. day, 14°; night, 9°; overcast

12 October, sun

	746 mmHg		86%
	5.8 m/s		+15

12 October, Sunday. day, 14°; night, 9°; partly cloudy

13 October, mon

	746 mmHg		87%
	5.7 m/s		+15

13 October, Monday. day, 14°; night, 9°; overcast

14 October, tue

	746 mmHg		88%
	5.4 m/s		+15

14 October, Tuesday. day, 14°; night, 8°; partly cloudy

15 October, wed

	745 mmHg		86%
	6.1 m/s		+15

15 October, Wednesday. day, 13°; night, 9°; partly cloudy

16 October, thu

	744 mmHg		85%
	6.9 m/s		+15

16 October, Thursday. day, 14°; night, 9°; rain

17 October, fri

	744 mmHg		84%
	6.9 m/s		+14

17 October, Friday. day, 13°; night, 8°; clear

18 October, sat

	744 mmHg		84%
	6.4 m/s		+14

18 October, Saturday. day, 13°; night, 8°; clear

19 October, sun

	743 mmHg		85%
	6.5 m/s		+14

19 October, Sunday. day, 13°; night, 9°; rain

20 October, mon

	741 mmHg		86%
	7.3 m/s		+14

20 October, Monday. day, 13°; night, 8°; rain

21 October, tue

	741 mmHg		85%
	7.3 m/s		+14

21 October, Tuesday. day, 13°; night, 8°; rain

22 October, wed

	743 mmHg		85%
	6.8 m/s		+14

22 October, Wednesday. day, 13°; night, 8°; partly cloudy

23 October, thu

	742 mmHg		86%
	7.1 m/s		+14

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

24 October, fri

	741 mmHg		86%
	7.5 m/s		+14

24 October, Friday. day, 13°; night, 9°; rain

25 October, sat

	742 mmHg		85%
	7.8 m/s		+14

25 October, Saturday. day, 13°; night, 8°; rain

26 October, sun

	743 mmHg		86%
	7.2 m/s		+14

26 October, Sunday. day, 13°; night, 8°; rain

27 October, mon

	744 mmHg		85%
	7.7 m/s		+14

27 October, Monday. day, 13°; night, 9°; rain

28 October, tue

	743 mmHg		86%
	7.3 m/s		+14

28 October, Tuesday. day, 12°; night, 8°; rain

29 October, wed

	743 mmHg		86%
	7.5 m/s		+14

29 October, Wednesday. day, 12°; night, 8°; rain

30 October, thu

	742 mmHg		87%
	7 m/s		+14

30 October, Thursday. day, 12°; night, 8°; rain

31 October, fri

	742 mmHg		87%
	6.8 m/s		+14

31 October, Friday. day, 13°; night, 8°; rain

1 November, sat

	742 mmHg		86%
	6.8 m/s		+14

1 November, Saturday. day, 12°; night, 7°; rain

Average data for 10 years

Carmarthen October

2

sunny days

18

days with precipitation

14

cloudy days

2 sunny days; 18 days with precipitation; 14 cloudy days;

85

%

air humidity

4.8

m/s

WindS

120

mm of precipitation

(11% of annual average)

+15

°C

Water temperature

air humidity 85%; 120 millimeters of precipitation (11% of annual average); Wind southerly 4.8 Meters per second; Water temperature +15°

Weather graphs for October

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

SW

S

SW

SW

S

S

SW

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

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

Dublin
Manchester
Liverpool
Trowbridge
Brest
Looe
Glasgow
Bristol
Plymouth

Cities with similar weather in October

Toronto
Vancouver
Boston
Bruges
Christchurch
Brighton
Lubek
Rijeka
Le Havre

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

October in Carmarthen is the rainiest month of the year. In October, the weather in Carmarthen is typically warm. Average daily high temperature in October is about 14 degrees above zero. On average, Carmarthen has 18 rainy, 8 partly cloudy, 3 cloudy, and 2 sunny days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Carmarthen.

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