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Temperatures to build across the week, peaking on Thursday
High pressure builds across the UK this week, with temperatures expected to peak on Thursday.
Read moreCarmarthen (Carmarthenshire) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 17° Celsius;
Maximum daytime temperature: 17° Celsius;
8 day forecast for Carmarthen
Today (29 April 2025)
| Time |
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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
19°
|
21°
|
21°
|
22°
|
22°
|
23°
|
23°
|
22°
|
21°
|
17°
|
13°
|
11°
|
11°
|
| Feels like temperature (°C) |
16°
|
18°
|
19°
|
19°
|
20°
|
20°
|
21°
|
21°
|
22°
|
21°
|
17°
|
13°
|
11°
|
10°
|
| Wind direction and speed |
E
7
|
ESE
8
|
SE
10
|
SE
10
|
SE
10
|
SE
9
|
SE
8
|
SE
7
|
SE
5
|
SE
4
|
E
4
|
WNW
3
|
N
3
|
NNE
4
|
| Wind gust (mph) |
19
|
21
|
21
|
20
|
19
|
18
|
16
|
14
|
9
|
7
|
7
|
6
|
7
|
10
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
56%
|
54%
|
52%
|
45%
|
40%
|
40%
|
40%
|
53%
|
66%
|
75%
|
81%
|
84%
|
84%
|
| UV | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Wednesday (30 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
9°
|
12°
|
15°
|
18°
|
20°
|
22°
|
23°
|
23°
|
23°
|
24°
|
24°
|
23°
|
22°
|
19°
|
15°
|
13°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
9°
|
12°
|
15°
|
18°
|
20°
|
21°
|
21°
|
22°
|
22°
|
22°
|
23°
|
23°
|
23°
|
19°
|
14°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
4
|
ENE
4
|
E
4
|
E
5
|
ESE
5
|
SSE
6
|
SSE
6
|
SSE
7
|
S
6
|
S
6
|
SSE
5
|
S
4
|
SW
4
|
NW
4
|
NNW
4
|
N
4
|
NNE
4
|
| Wind gust (mph) |
10
|
10
|
10
|
10
|
10
|
10
|
9
|
8
|
10
|
12
|
12
|
14
|
15
|
15
|
15
|
13
|
12
|
10
|
7
|
7
|
8
|
8
|
8
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
84%
|
84%
|
84%
|
85%
|
84%
|
84%
|
79%
|
74%
|
66%
|
63%
|
56%
|
50%
|
41%
|
41%
|
40%
|
40%
|
40%
|
41%
|
64%
|
74%
|
77%
|
80%
|
81%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Thursday (1 May 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
40%
|
40%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
11°
|
19°
|
23°
|
23°
|
20°
|
14°
|
| Feels like temperature (°C) |
11°
|
10°
|
9°
|
10°
|
19°
|
23°
|
22°
|
19°
|
13°
|
| Wind direction and speed (mph) |
NNE
4
|
NE
4
|
NE
4
|
NE
3
|
E
4
|
ESE
5
|
SE
7
|
NNE
6
|
NE
6
|
| Wind gust (mph) |
8
|
8
|
8
|
10
|
11
|
18
|
17
|
12
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
83%
|
85%
|
82%
|
63%
|
45%
|
49%
|
68%
|
83%
|
| UV | - | - | - | 1 | 3 | 5 | 3 | 1 | - |
Friday (2 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
14°
|
16°
|
16°
|
15°
|
11°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
13°
|
15°
|
15°
|
14°
|
10°
|
| Wind direction and speed (mph) |
WSW
5
|
WNW
5
|
N
5
|
SE
6
|
S
7
|
WSW
8
|
NNW
9
|
N
8
|
| Wind gust (mph) |
10
|
9
|
10
|
13
|
16
|
16
|
14
|
13
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
95%
|
93%
|
85%
|
77%
|
75%
|
70%
|
78%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Saturday (3 May 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) |
10°
|
10°
|
9°
|
15°
|
18°
|
19°
|
17°
|
13°
|
| Feels like temperature (°C) |
9°
|
8°
|
8°
|
13°
|
16°
|
17°
|
15°
|
11°
|
| Wind direction and speed (mph) |
NNE
6
|
NNE
6
|
NNE
7
|
NE
9
|
NE
9
|
NNE
11
|
N
11
|
NNE
8
|
| Wind gust (mph) |
13
|
14
|
17
|
18
|
19
|
20
|
18
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
82%
|
78%
|
65%
|
56%
|
54%
|
61%
|
73%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Sunday (4 May 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) |
11°
|
9°
|
9°
|
13°
|
16°
|
17°
|
15°
|
11°
|
| Feels like temperature (°C) |
9°
|
8°
|
7°
|
11°
|
14°
|
15°
|
13°
|
9°
|
| Wind direction and speed (mph) |
NE
7
|
ENE
7
|
ENE
6
|
ENE
8
|
E
10
|
ENE
9
|
NE
9
|
NE
6
|
| Wind gust (mph) |
14
|
12
|
18
|
19
|
19
|
17
|
14
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
77%
|
73%
|
64%
|
56%
|
52%
|
56%
|
70%
|
| UV | - | - | 1 | 3 | 6 | 3 | 1 | - |
Monday (5 May 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) |
8°
|
6°
|
7°
|
11°
|
14°
|
15°
|
13°
|
9°
|
| Feels like temperature (°C) |
7°
|
5°
|
5°
|
9°
|
12°
|
13°
|
12°
|
8°
|
| Wind direction and speed (mph) |
ENE
6
|
ENE
5
|
ENE
5
|
ENE
7
|
NE
9
|
NE
9
|
NNE
9
|
NNE
5
|
| Wind gust (mph) |
9
|
8
|
12
|
15
|
15
|
16
|
12
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
77%
|
74%
|
62%
|
56%
|
55%
|
62%
|
82%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tuesday (6 May 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) |
7°
|
6°
|
8°
|
13°
|
15°
|
16°
|
15°
|
10°
|
| Feels like temperature (°C) |
6°
|
4°
|
7°
|
12°
|
14°
|
14°
|
13°
|
9°
|
| Wind direction and speed (mph) |
NNE
4
|
NNE
4
|
NE
4
|
NE
8
|
NE
9
|
NE
10
|
NNE
8
|
NNE
5
|
| Wind gust (mph) |
5
|
5
|
12
|
16
|
17
|
15
|
13
|
6
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
90%
|
91%
|
82%
|
66%
|
58%
|
56%
|
64%
|
86%
|
| UV | - | - | 1 | 4 | 5 | 3 | 1 | - |
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WARNING
Flood alerts in force for Wales
Flood alerts in force for Wales
Wales weather forecast
Headline:
Warm, dry and sunny over the next few days.
Today:
Early mist and fog clearing quickly to leave another widely dry and settled day with light winds. Plenty of warm sunshine, though wispy cloud perhaps making skies hazy at times. Maximum temperature 24 °C.
Tonight:
Some evening sunshine, still hazy at times. Remaining dry overnight with continuing light winds. Locally chilly for some rural areas, but mild to the west of high ground. Minimum temperature 6 °C.
Wednesday:
Another pleasant and dry day. Widely clear skies will allow increasingly lengthy periods of warm sunshine with temperatures rising well above the late-April norm. Maximum temperature 25 °C.
Outlook for Thursday to Saturday:
Temperatures peaking on Thursday with more widespread sunshine. Turning fresher from then on with increasing amounts of cloud and perhaps a few showers, though still some sunny spells.
Updated: