Carmarthen (Carmarthenshire) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 21° Celsius;Maximum daytime temperature: 21° Celsius;
8 day forecast for Carmarthen
Today (24 April 2025)
| Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
7°
|
7°
|
8°
|
10°
|
11°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
11°
|
10°
|
10°
|
| Feels like temperature (°C) |
7°
|
6°
|
8°
|
9°
|
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
10°
|
10°
|
10°
|
| Wind direction and speed |
NE
3
|
NE
3
|
ENE
3
|
E
3
|
ESE
4
|
SSE
6
|
SSE
7
|
S
8
|
S
8
|
S
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
7
|
SSW
6
|
SSW
4
|
S
3
|
ESE
2
|
E
2
|
| Wind gust (mph) |
5
|
5
|
6
|
9
|
14
|
17
|
18
|
18
|
18
|
18
|
17
|
16
|
15
|
13
|
10
|
8
|
5
|
4
|
5
|
| Visibility |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
94%
|
94%
|
92%
|
86%
|
84%
|
76%
|
69%
|
65%
|
61%
|
60%
|
59%
|
60%
|
63%
|
65%
|
72%
|
83%
|
88%
|
88%
|
88%
|
| UV | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Friday (25 April 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
 |
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
30%
|
50%
|
50%
|
60%
|
70%
|
70%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
| Wind direction and speed (mph) |
E
3
|
E
3
|
E
3
|
E
3
|
E
3
|
E
3
|
ESE
4
|
ESE
5
|
SE
6
|
SE
8
|
SE
10
|
SE
12
|
SSE
13
|
SSE
13
|
SSE
13
|
SSE
12
|
SSE
11
|
SSE
10
|
SSE
9
|
SSE
8
|
SSE
7
|
SSE
6
|
SE
5
|
SE
4
|
| Wind gust (mph) |
5
|
5
|
5
|
5
|
6
|
8
|
10
|
15
|
21
|
22
|
23
|
25
|
27
|
26
|
25
|
24
|
22
|
20
|
18
|
18
|
17
|
13
|
10
|
9
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
89%
|
90%
|
91%
|
91%
|
92%
|
91%
|
86%
|
85%
|
82%
|
76%
|
75%
|
69%
|
66%
|
65%
|
64%
|
65%
|
69%
|
74%
|
78%
|
80%
|
85%
|
88%
|
89%
|
91%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Saturday (26 April 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
|
|
| Chance of precipitation |
70%
|
80%
|
80%
|
40%
|
30%
|
30%
|
20%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
9°
|
9°
|
11°
|
13°
|
14°
|
13°
|
8°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
10°
|
12°
|
13°
|
12°
|
7°
|
| Wind direction and speed (mph) |
SE
4
|
SE
4
|
SE
3
|
SE
3
|
S
4
|
SSW
7
|
SSW
8
|
SW
8
|
SW
3
|
| Wind gust (mph) |
8
|
7
|
6
|
9
|
13
|
14
|
15
|
13
|
7
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
E
|
E
|
VG
|
| Humidity |
92%
|
93%
|
95%
|
96%
|
92%
|
77%
|
75%
|
78%
|
96%
|
| UV | - | - | - | 1 | 2 | 4 | 3 | 1 | - |
Sunday (27 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
9°
|
10°
|
12°
|
13°
|
14°
|
13°
|
10°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
10°
|
11°
|
12°
|
12°
|
9°
|
| Wind direction and speed (mph) |
SSE
3
|
S
5
|
S
7
|
SSW
12
|
SSW
14
|
SW
13
|
SW
9
|
S
4
|
| Wind gust (mph) |
10
|
13
|
21
|
24
|
24
|
22
|
13
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
VG
|
| Humidity |
97%
|
96%
|
93%
|
85%
|
79%
|
73%
|
82%
|
95%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
Monday (28 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
8°
|
9°
|
14°
|
17°
|
19°
|
17°
|
13°
|
| Feels like temperature (°C) |
8°
|
7°
|
8°
|
12°
|
15°
|
16°
|
15°
|
12°
|
| Wind direction and speed (mph) |
SE
4
|
E
4
|
E
5
|
SE
10
|
SSE
13
|
SSE
14
|
SE
11
|
E
9
|
| Wind gust (mph) |
8
|
9
|
19
|
24
|
25
|
24
|
16
|
17
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
96%
|
92%
|
70%
|
59%
|
54%
|
62%
|
70%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
Tuesday (29 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
17°
|
20°
|
20°
|
18°
|
13°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
14°
|
17°
|
17°
|
16°
|
12°
|
| Wind direction and speed (mph) |
E
9
|
ENE
9
|
ESE
8
|
SE
12
|
SE
14
|
SE
13
|
SSE
10
|
SE
7
|
| Wind gust (mph) |
17
|
17
|
21
|
24
|
24
|
21
|
14
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
69%
|
72%
|
65%
|
57%
|
55%
|
63%
|
80%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Wednesday (30 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
11°
|
12°
|
17°
|
19°
|
19°
|
18°
|
12°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
15°
|
17°
|
17°
|
16°
|
11°
|
| Wind direction and speed (mph) |
SE
6
|
E
6
|
E
6
|
SE
9
|
S
12
|
S
11
|
S
9
|
SE
6
|
| Wind gust (mph) |
8
|
8
|
13
|
19
|
21
|
17
|
11
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
86%
|
82%
|
67%
|
59%
|
55%
|
67%
|
84%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Thursday (1 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
 |
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
– |
| Temperature (°C) |
11°
|
10°
|
11°
|
16°
|
19°
|
19°
|
17°
|
13°
|
| Feels like temperature (°C) |
10°
|
9°
|
10°
|
15°
|
17°
|
17°
|
15°
|
12°
|
| Wind direction and speed (mph) |
ENE
5
|
NE
6
|
ESE
6
|
SSE
9
|
SSE
11
|
SSE
11
|
S
10
|
WNW
7
|
| Wind gust (mph) |
7
|
8
|
12
|
17
|
18
|
18
|
14
|
– |
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
89%
|
87%
|
84%
|
66%
|
58%
|
55%
|
66%
|
84%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
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Wales weather forecast
Headline:
Mostly dry today with sunny intervals, though a few showers.
Today:
Fog patches quickly clearing, then a dry day with sunny spells for many. Isolated showers developing, mainly this afternoon, but most places remaining dry. Sea breezes forming, but feeling warmer for most than on Wednesday. Maximum temperature 16 °C.
Tonight:
A dry night for most with some low cloud, mist and fog forming. The chance of some patchy rain on western coasts. Chilly under any clear skies in eastern counties. Minimum temperature 5 °C.
Friday:
Often cloudy with occasional bright or sunny spells, mainly in the east. Isolated afternoon showers, then rain edging in from the west overnight. A south-easterly breeze developing. Temperatures above average. Maximum temperature 16 °C.
Outlook for Saturday to Monday:
Occasional light rain on Saturday morning, but slowly brightening up later. Rain is possible in the northwest on Sunday, dry elsewhere. Fine on Monday with some sunshine, and becoming warmer.
Updated: