News
Amber warning extended, though heatwave easing for some
The Met Office Amber Extreme Heat Warning has been extended into Sunday morning for those in central and eastern parts of England with a further very warm and …
Read moreCarmarthen (Carmarthenshire) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
7 day forecast for Carmarthen
Today (27 June 2026)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
 |
 |
| Chance of precipitation |
30%
|
80%
|
80%
|
| Temperature |
19°
|
19°
|
17°
|
| Feels like temperature (°C) |
17°
|
17°
|
16°
|
| Wind direction and speed |
SSW
14
|
SSW
14
|
SSW
12
|
| Wind gust (mph) |
28
|
27
|
25
|
| Visibility |
G
|
M
|
P
|
| Humidity |
84%
|
86%
|
96%
|
| UV | 1 | - | - |
Sunday (28 June 2026)
| 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 |
30%
|
30%
|
80%
|
≥95%
|
90%
|
50%
|
20%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
15°
|
14°
|
13°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
12°
|
| Wind direction and speed (mph) |
SW
11
|
SW
10
|
SSW
11
|
SSW
11
|
SW
12
|
WSW
10
|
WSW
8
|
W
8
|
WSW
9
|
WSW
10
|
WSW
11
|
WSW
12
|
WSW
13
|
SW
14
|
SW
14
|
SW
14
|
SW
14
|
WSW
14
|
WSW
13
|
WSW
12
|
WSW
11
|
WSW
8
|
SW
7
|
WSW
6
|
| Wind gust (mph) |
23
|
22
|
22
|
24
|
24
|
22
|
19
|
20
|
21
|
23
|
25
|
26
|
26
|
29
|
29
|
29
|
28
|
28
|
26
|
25
|
22
|
20
|
21
|
20
|
| Visibility (description) |
M
|
G
|
G
|
M
|
P
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
91%
|
89%
|
93%
|
96%
|
93%
|
90%
|
85%
|
78%
|
69%
|
63%
|
58%
|
56%
|
54%
|
56%
|
55%
|
56%
|
58%
|
60%
|
64%
|
66%
|
73%
|
77%
|
82%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Monday (29 June 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
12°
|
11°
|
11°
|
11°
|
10°
|
11°
|
13°
|
15°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
15°
|
15°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
11°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
16°
|
16°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
WSW
6
|
WSW
5
|
WSW
5
|
W
4
|
W
4
|
W
3
|
W
3
|
WSW
3
|
W
5
|
W
6
|
WSW
6
|
WSW
7
|
SW
8
|
SW
9
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
SW
9
|
SW
9
|
SW
7
|
SW
5
|
SSW
5
|
S
4
|
| Wind gust (mph) |
20
|
19
|
18
|
18
|
14
|
13
|
11
|
13
|
16
|
15
|
15
|
16
|
17
|
18
|
19
|
19
|
19
|
17
|
17
|
16
|
13
|
12
|
12
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
86%
|
88%
|
90%
|
91%
|
92%
|
91%
|
85%
|
76%
|
66%
|
65%
|
63%
|
64%
|
64%
|
64%
|
65%
|
64%
|
64%
|
65%
|
68%
|
74%
|
76%
|
82%
|
84%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 5 | 7 | 6 | 7 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | - | - |
Tuesday (30 June 2026)
| 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 |
30%
|
30%
|
30%
|
20%
|
30%
|
40%
|
50%
|
60%
|
70%
|
70%
|
70%
|
70%
|
80%
|
70%
|
60%
|
50%
|
50%
|
40%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
S
4
|
S
5
|
S
5
|
S
6
|
S
6
|
S
7
|
SSW
8
|
SSW
10
|
SSW
12
|
SSW
12
|
SSW
13
|
SSW
13
|
SSW
13
|
SW
13
|
SW
12
|
SW
12
|
WSW
12
|
WSW
11
|
WSW
11
|
W
10
|
W
9
|
W
8
|
WSW
6
|
W
6
|
| Wind gust (mph) |
14
|
15
|
16
|
18
|
18
|
18
|
20
|
22
|
23
|
25
|
25
|
26
|
25
|
25
|
24
|
24
|
23
|
22
|
22
|
20
|
17
|
15
|
15
|
16
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
85%
|
85%
|
85%
|
86%
|
85%
|
86%
|
85%
|
85%
|
86%
|
85%
|
85%
|
84%
|
83%
|
83%
|
84%
|
80%
|
77%
|
77%
|
78%
|
77%
|
78%
|
83%
|
87%
|
89%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 3 | 3 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Wednesday (1 July 2026)
| 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 |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
40%
|
40%
|
50%
|
50%
|
40%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
14°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
| Wind direction and speed (mph) |
W
6
|
W
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
7
|
WNW
7
|
WNW
7
|
WNW
8
|
W
8
|
W
9
|
W
10
|
WSW
11
|
WSW
11
|
WSW
10
|
WSW
10
|
WSW
9
|
SW
9
|
SW
9
|
WSW
9
|
WSW
10
|
| Wind gust (mph) |
16
|
16
|
17
|
16
|
16
|
15
|
14
|
16
|
16
|
16
|
17
|
18
|
19
|
21
|
22
|
22
|
21
|
20
|
20
|
20
|
21
|
21
|
22
|
22
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
M
|
M
|
P
|
| Humidity |
90%
|
90%
|
89%
|
90%
|
91%
|
92%
|
92%
|
86%
|
80%
|
77%
|
73%
|
71%
|
66%
|
63%
|
63%
|
62%
|
65%
|
69%
|
74%
|
78%
|
84%
|
86%
|
92%
|
96%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Thursday (2 July 2026)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
40%
|
40%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
15°
|
15°
|
16°
|
16°
|
17°
|
19°
|
20°
|
19°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
18°
|
17°
|
15°
|
| Wind direction and speed (mph) |
WSW
10
|
WSW
10
|
W
11
|
W
9
|
WNW
11
|
WNW
11
|
WNW
12
|
WNW
10
|
W
6
|
| Wind gust (mph) |
22
|
22
|
21
|
23
|
23
|
24
|
23
|
18
|
12
|
| Visibility (description) |
P
|
P
|
P
|
M
|
G
|
VG
|
VG
|
G
|
G
|
| Humidity |
96%
|
96%
|
96%
|
93%
|
84%
|
74%
|
71%
|
72%
|
90%
|
| UV | - | - | - | 1 | 4 | 6 | 4 | 1 | - |
Friday (3 July 2026)
| 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%
|
<5%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
14°
|
13°
|
15°
|
18°
|
20°
|
20°
|
18°
|
15°
|
| Feels like temperature (°C) |
13°
|
12°
|
14°
|
17°
|
18°
|
18°
|
17°
|
14°
|
| Wind direction and speed (mph) |
WNW
6
|
NW
5
|
NW
4
|
WNW
8
|
WNW
9
|
WNW
10
|
WNW
9
|
WNW
5
|
| Wind gust (mph) |
11
|
11
|
16
|
19
|
21
|
20
|
17
|
9
|
| Visibility (description) |
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
95%
|
95%
|
91%
|
76%
|
67%
|
66%
|
69%
|
90%
|
| UV | - | - | 1 | 4 | 7 | 4 | 1 | - |
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Wales weather forecast
Headline:
Feeling much fresher on Sunday.
This Evening and Tonight:
A dry and warm evening with late sunshine. Skies will cloud over through the night with some outbreaks of rain in the early hours, turning heavy at times. Minimum temperature 16 °C.
Sunday:
Cloudy at first in the morning with a few showery outbreaks of rain. Turning drier through the day with increasing amounts of sunshine. Feeling much fresher than recent days. Maximum temperature 21 °C.
Outlook for Monday to Wednesday:
Not feeling as humid in the new week. Largely dry with sunny spells, but a few showers possible at times, particularly on Tuesday. Light winds. Feeling pleasant in the sunshine.
Updated: