Llanelli (Carmarthenshire) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Light rain.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Llanelli
Today (21 February 2026)
| Time |
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
 |
|
| Chance of precipitation |
50%
|
90%
|
90%
|
≥95%
|
90%
|
| Temperature |
11°
|
11°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed |
WSW
14
|
SW
14
|
SW
15
|
SW
15
|
SW
15
|
| Wind gust (mph) |
30
|
30
|
31
|
31
|
31
|
| Visibility |
P
|
P
|
P
|
P
|
P
|
| Humidity |
98%
|
99%
|
98%
|
98%
|
99%
|
| UV | - | - | - | - | - |
Sunday (22 February 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 |
90%
|
90%
|
90%
|
90%
|
70%
|
60%
|
50%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
40%
|
30%
|
30%
|
40%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Wind direction and speed (mph) |
WSW
14
|
WSW
14
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
12
|
WSW
11
|
W
10
|
WSW
10
|
WSW
10
|
WSW
11
|
WSW
12
|
WSW
12
|
WSW
13
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
| Wind gust (mph) |
29
|
28
|
28
|
27
|
26
|
25
|
22
|
20
|
20
|
21
|
23
|
24
|
25
|
26
|
28
|
28
|
29
|
29
|
29
|
30
|
29
|
30
|
29
|
30
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
99%
|
99%
|
100%
|
99%
|
100%
|
99%
|
99%
|
99%
|
98%
|
96%
|
94%
|
93%
|
91%
|
88%
|
87%
|
87%
|
88%
|
90%
|
91%
|
90%
|
90%
|
88%
|
88%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Monday (23 February 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%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
30%
|
40%
|
50%
|
60%
|
70%
|
60%
|
70%
|
70%
|
60%
|
60%
|
50%
|
40%
|
40%
|
50%
|
50%
|
40%
|
50%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
SW
12
|
SW
12
|
WSW
13
|
WSW
13
|
WSW
12
|
WSW
11
|
WSW
11
|
SW
11
|
SW
11
|
SW
11
|
SW
10
|
| Wind gust (mph) |
29
|
29
|
29
|
29
|
29
|
28
|
28
|
28
|
27
|
27
|
26
|
27
|
26
|
26
|
27
|
27
|
27
|
26
|
24
|
24
|
23
|
22
|
22
|
22
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
87%
|
88%
|
88%
|
87%
|
89%
|
90%
|
90%
|
91%
|
92%
|
91%
|
91%
|
91%
|
92%
|
96%
|
98%
|
99%
|
99%
|
99%
|
100%
|
99%
|
99%
|
99%
|
100%
|
99%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Tuesday (24 February 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 |
50%
|
50%
|
50%
|
40%
|
20%
|
10%
|
10%
|
10%
|
10%
|
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
S
9
|
S
10
|
S
10
|
S
10
|
S
10
|
S
10
|
S
10
|
S
11
|
S
11
|
S
11
|
S
10
|
SSE
10
|
SSE
9
|
SSE
9
|
SSE
9
|
SSE
10
|
SSE
10
|
SSE
9
|
SSE
9
|
| Wind gust (mph) |
22
|
22
|
23
|
23
|
23
|
23
|
24
|
23
|
24
|
24
|
24
|
23
|
23
|
25
|
24
|
24
|
23
|
22
|
23
|
23
|
23
|
23
|
22
|
22
|
| Visibility (description) |
P
|
P
|
P
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
99%
|
99%
|
98%
|
96%
|
95%
|
94%
|
92%
|
91%
|
91%
|
90%
|
90%
|
89%
|
87%
|
85%
|
84%
|
83%
|
83%
|
84%
|
85%
|
86%
|
86%
|
86%
|
86%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Wednesday (25 February 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%
|
20%
|
30%
|
30%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
40%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
12°
|
11°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SSE
9
|
SSE
9
|
SSE
9
|
SSE
9
|
SSE
9
|
SSE
8
|
SSE
8
|
SSE
8
|
SSE
8
|
SSE
8
|
SSE
9
|
S
9
|
S
9
|
S
9
|
SSW
9
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
9
|
SSW
9
|
| Wind gust (mph) |
22
|
21
|
21
|
21
|
20
|
20
|
20
|
20
|
20
|
20
|
20
|
21
|
19
|
20
|
19
|
19
|
18
|
18
|
18
|
18
|
19
|
20
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
87%
|
88%
|
89%
|
89%
|
92%
|
92%
|
93%
|
94%
|
95%
|
94%
|
93%
|
93%
|
92%
|
92%
|
89%
|
90%
|
94%
|
95%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Thursday (26 February 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
|
|
| Chance of precipitation |
40%
|
40%
|
30%
|
30%
|
40%
|
50%
|
50%
|
50%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
9°
|
9°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SSW
10
|
SSW
11
|
SW
12
|
SW
13
|
SW
15
|
SW
15
|
SSW
14
|
SSW
13
|
| Wind gust (mph) |
23
|
25
|
26
|
30
|
31
|
30
|
28
|
27
|
| Visibility (description) |
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
| Humidity |
96%
|
96%
|
96%
|
93%
|
90%
|
88%
|
91%
|
93%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
Friday (27 February 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
| Chance of precipitation |
60%
|
60%
|
60%
|
50%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
11°
|
11°
|
11°
|
10°
|
9°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
8°
|
7°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
14
|
SW
13
|
WSW
12
|
W
14
|
W
13
|
WSW
10
|
W
9
|
| Wind gust (mph) |
29
|
28
|
26
|
29
|
29
|
27
|
20
|
18
|
| Visibility (description) |
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
92%
|
91%
|
90%
|
75%
|
68%
|
79%
|
83%
|
| UV | - | - | - | 1 | 2 | 1 | - | - |
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WARNING
Flood alerts in force for Wales
Flood alerts in force for Wales
Wales weather forecast
Headline:
Mild, bright and breezy on Sunday with showers possible later.
This Evening and Tonight:
Occasionally heavy rain at first this evening, then drier for a time. Further periods of rain arriving overnight. Murky with mist and fog possible. Turning drier for all but the far south by the morning. Rather windy and very mild. Minimum temperature 7 °C.
Sunday:
A generally brighter day, albeit somewhat cloudy at times. Rain quickly clearing southern areas then sunny spells for most. Passing showers in the north later. Blustery winds in places. Mild. Maximum temperature 13 °C.
Outlook for Monday to Wednesday:
Some rain arriving on Monday, this heavy and persistent in the northwest. Thereafter, much drier than recently and very mild with occasional rain in the west. Brightest in the east.
Updated:
UK long range weather forecast
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