Pontantwn (Carmarthenshire) weather

Forecast days

Yellow weather warning.
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Sunset iconSunset:
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7 day forecast for Pontantwn

Today (17 September 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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
Chance of precipitation
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
90%
80%
70%
60%
60%
70%
70%
60%
50%
50%
60%
Temperature
15°
15°
16°
16°
16°
17°
17°
17°
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
Feels like temperature (°C)
12°
12°
13°
13°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
Wind direction and speed
SSW
19
SSW
20
SW
19
SW
19
SW
19
SW
18
SW
18
SW
18
SW
17
SW
16
SW
15
SW
15
SW
14
SW
13
SW
11
SW
10
SW
9
SW
9
SW
8
Wind gust (mph)
41
41
41
40
39
38
36
34
33
30
30
29
27
25
23
20
19
18
17
Visibility
P
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
G
G
G
Humidity
96%
96%
96%
96%
97%
97%
97%
97%
98%
98%
98%
98%
98%
99%
99%
99%
98%
98%
98%
UV - 1 1 1 1 1 1 1 1 2 2 1 1 1 1 - - - -
Thursday (18 September 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Chance of precipitation
70%
80%
90%
90%
80%
80%
90%
80%
60%
40%
40%
30%
20%
10%
10%
10%
<5%
10%
10%
<5%
10%
10%
10%
<5%
Temperature (°C)
16°
16°
16°
16°
16°
17°
17°
17°
17°
17°
17°
18°
18°
18°
18°
18°
18°
18°
18°
18°
17°
17°
17°
17°
Feels like temperature (°C)
15°
15°
15°
15°
15°
15°
15°
15°
14°
15°
15°
15°
15°
16°
16°
16°
16°
16°
16°
16°
16°
15°
15°
15°
Wind direction and speed (mph)
SW
8
SW
9
SW
9
SW
10
SW
12
SW
13
SW
14
SW
14
SW
15
SW
15
SW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
15
SSW
15
SSW
14
SSW
13
SSW
13
SSW
13
SSW
13
Wind gust (mph)
18
17
17
21
22
24
29
31
32
32
32
33
34
34
33
33
32
30
29
28
27
28
28
28
Visibility (description)
G
M
M
M
M
M
M
M
M
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
98%
98%
99%
100%
100%
99%
99%
99%
98%
97%
94%
93%
92%
92%
91%
91%
91%
92%
93%
93%
93%
93%
92%
92%
UV - - - - - - 1 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
Friday (19 September 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Overcast Overcast Overcast Overcast Light rain
Chance of precipitation
10%
10%
10%
10%
10%
10%
20%
20%
20%
20%
30%
30%
30%
30%
30%
40%
50%
50%
50%
40%
40%
40%
50%
50%
Temperature (°C)
17°
17°
17°
17°
17°
16°
16°
16°
16°
16°
17°
17°
17°
18°
18°
18°
18°
18°
17°
17°
16°
16°
16°
16°
Feels like temperature (°C)
15°
15°
15°
15°
15°
15°
15°
15°
14°
15°
15°
15°
16°
16°
16°
16°
17°
16°
16°
16°
16°
16°
16°
16°
Wind direction and speed (mph)
SSW
13
SSW
13
SSW
12
S
12
S
12
S
11
S
11
S
10
S
10
S
11
S
11
S
12
S
12
SSW
12
SSW
12
SSW
12
SSW
11
SSW
11
SSW
10
SSW
9
SSW
8
SSW
7
SSW
6
S
6
Wind gust (mph)
28
28
28
27
27
26
25
25
25
25
25
25
25
24
23
23
21
20
17
14
11
10
10
9
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
G
Humidity
91%
91%
91%
90%
90%
89%
91%
91%
92%
90%
87%
87%
86%
86%
86%
86%
87%
88%
92%
95%
95%
95%
95%
95%
UV - - - - - - 1 1 1 1 1 1 2 2 2 1 1 1 1 1 - - - -
Saturday (20 September 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
60%
50%
50%
50%
40%
50%
50%
50%
60%
50%
Temperature (°C)
15°
15°
15°
15°
15°
14°
14°
13°
13°
14°
14°
15°
15°
15°
16°
15°
15°
15°
15°
14°
13°
12°
12°
12°
Feels like temperature (°C)
15°
15°
15°
15°
15°
14°
14°
13°
13°
13°
13°
14°
14°
14°
14°
14°
14°
14°
13°
13°
11°
11°
11°
11°
Wind direction and speed (mph)
SSW
5
SSW
4
SW
4
SSW
4
SW
4
SW
4
W
4
NW
4
W
5
W
6
WNW
7
SW
8
SW
9
WSW
10
WSW
10
WNW
10
WNW
10
WNW
9
W
9
W
8
W
7
WSW
6
W
6
W
6
Wind gust (mph)
10
8
8
8
8
8
9
9
11
12
13
16
15
19
19
15
17
17
16
15
14
12
12
12
Visibility (description)
G
G
G
G
G
G
G
G
G
G
VG
VG
VG
VG
E
E
E
E
E
E
E
VG
VG
VG
Humidity
95%
96%
96%
96%
96%
96%
96%
96%
94%
92%
90%
89%
88%
86%
81%
79%
78%
77%
80%
83%
86%
87%
89%
88%
UV - - - - - - - 1 1 1 1 2 3 3 3 2 2 1 1 1 - - - -
Sunday (21 September 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 Light shower night Light shower night Light shower night Partly cloudy night Light shower night Light shower night Light shower night Cloudy Cloudy Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
60%
60%
50%
50%
50%
60%
50%
40%
40%
40%
40%
50%
50%
50%
50%
50%
40%
40%
40%
30%
30%
30%
30%
20%
Temperature (°C)
12°
11°
11°
11°
11°
11°
11°
10°
11°
11°
12°
13°
13°
13°
14°
14°
13°
13°
12°
11°
11°
10°
10°
10°
Feels like temperature (°C)
11°
10°
10°
10°
10°
10°
11°
11°
11°
11°
11°
11°
11°
10°
Wind direction and speed (mph)
WNW
6
NW
6
NW
6
NW
6
NNW
7
NNW
8
N
7
N
7
NNE
8
N
9
NNE
11
NNE
11
NNE
12
N
12
N
12
N
13
N
13
NNE
12
N
11
N
10
NNE
9
NNE
9
NNE
8
NNE
8
Wind gust (mph)
12
11
11
12
11
15
14
16
18
17
19
21
21
20
23
25
25
24
22
21
20
20
18
17
Visibility (description)
VG
VG
E
E
E
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
89%
91%
90%
91%
90%
91%
91%
89%
88%
85%
81%
78%
74%
72%
70%
69%
70%
69%
71%
75%
77%
79%
79%
79%
UV - - - - - - - 1 1 1 2 3 3 4 3 2 2 1 1 1 - - - -
Monday (22 September 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
20%
10%
10%
10%
10%
10%
10%
10%
<5%
Temperature (°C)
12°
14°
14°
12°
Feels like temperature (°C)
10°
12°
12°
10°
Wind direction and speed (mph)
NNE
7
NNE
7
NE
7
NNE
7
NNE
9
NNE
11
NNE
10
N
8
NNE
6
Wind gust (mph)
17
14
12
15
19
20
18
12
10
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
79%
79%
80%
82%
67%
55%
55%
68%
76%
UV - - - 1 2 4 2 1 -
Tuesday (23 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
<5%
10%
10%
<5%
10%
10%
10%
Temperature (°C)
12°
15°
15°
12°
10°
Feels like temperature (°C)
10°
12°
13°
10°
Wind direction and speed (mph)
NNE
6
NNE
6
NNE
6
NE
9
NE
10
NNE
9
N
8
NNE
6
Wind gust (mph)
9
8
13
17
16
14
10
8
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
80%
84%
85%
71%
59%
59%
76%
83%
UV - - 1 2 4 1 1 -

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Pontantwn weather map

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WARNING
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Flood alerts in force for Wales
Flood alerts in force for Wales

Wales weather forecast

Headline:

Heavy and persistent rain.

Today:

Heaviest and most persistent rain clearing eastwards through the morning, though remaining cloudy with outbreaks of patchy rain and drizzle throughout the day, turning heavy at times over the hills. Breezy. Maximum temperature 19 °C.

Tonight:

Rain persisting throughout this evening and overnight, this turning heavy at times especially over the hills and mountains. Windy for all, especially along the coasts, and feeling humid. Minimum temperature 8 °C.

Thursday:

A cloudy, damp and mild start to Thursday. Cloud breaking in the east but drizzle persisting over the hills in the west. Staying windy. Maximum temperature 18 °C.

Outlook for Friday to Sunday:

Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder later Sunday. Breezy.

Updated:

UK long range weather forecast

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