St Clears (Carmarthenshire) weather

Forecast days

Yellow weather warning.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
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7 day forecast for St Clears

Today (17 September 2025)
Time
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Light rain Light rain Overcast Overcast Cloudy Cloudy Overcast
Chance of precipitation
70%
70%
40%
40%
40%
30%
30%
Temperature
17°
17°
16°
16°
15°
15°
15°
Feels like temperature (°C)
16°
16°
15°
15°
15°
14°
15°
Wind direction and speed
WSW
11
WSW
10
WSW
9
WSW
8
SW
7
SW
6
SW
5
Wind gust (mph)
26
23
21
20
17
14
12
Visibility
M
M
M
G
VG
VG
VG
Humidity
97%
96%
95%
93%
93%
93%
93%
UV 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 Overcast 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
Chance of precipitation
40%
50%
60%
60%
80%
80%
90%
80%
70%
60%
50%
20%
30%
20%
10%
20%
30%
20%
10%
10%
20%
20%
20%
10%
Temperature (°C)
15°
15°
15°
15°
15°
16°
16°
16°
16°
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°
15°
15°
15°
16°
16°
16°
16°
16°
16°
16°
16°
16°
15°
15°
15°
15°
Wind direction and speed (mph)
SW
5
SSW
4
SSW
4
SSW
4
SSW
5
SSW
7
SSW
7
SSW
8
SSW
10
SSW
12
SW
14
SW
15
SW
15
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)
10
8
8
9
12
14
17
21
26
30
32
33
33
34
34
34
34
32
32
30
30
30
30
31
Visibility (description)
VG
G
G
M
M
M
M
M
M
M
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
94%
95%
96%
98%
98%
99%
99%
99%
99%
99%
97%
95%
93%
92%
91%
89%
90%
91%
92%
92%
92%
92%
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 Light rain Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
Chance of precipitation
10%
10%
10%
20%
20%
20%
30%
40%
50%
50%
40%
40%
40%
40%
50%
50%
60%
60%
70%
60%
70%
70%
70%
60%
Temperature (°C)
17°
17°
17°
17°
16°
16°
16°
16°
16°
16°
17°
17°
17°
18°
18°
17°
17°
17°
16°
16°
16°
15°
15°
15°
Feels like temperature (°C)
15°
15°
15°
15°
15°
15°
15°
15°
14°
15°
15°
16°
16°
16°
16°
16°
16°
16°
16°
16°
15°
15°
15°
15°
Wind direction and speed (mph)
SSW
13
S
12
S
12
S
12
S
12
S
11
S
11
S
11
S
11
SSW
12
SSW
12
SSW
12
SSW
12
SSW
12
SW
11
SW
10
SW
9
SW
8
SW
7
SW
6
SW
5
SSW
5
SSW
4
S
4
Wind gust (mph)
30
30
30
29
28
28
28
27
25
25
24
22
22
23
21
20
17
14
14
13
11
9
8
8
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
G
G
G
Humidity
92%
91%
91%
91%
90%
90%
91%
92%
92%
93%
94%
94%
92%
90%
88%
88%
90%
90%
91%
95%
96%
96%
96%
95%
UV - - - - - - - 1 1 1 1 1 2 2 2 2 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 Heavy rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
60%
60%
60%
60%
60%
70%
70%
70%
80%
90%
90%
80%
80%
70%
60%
60%
70%
80%
80%
60%
70%
70%
70%
70%
Temperature (°C)
15°
15°
15°
14°
14°
14°
14°
13°
13°
14°
14°
14°
14°
15°
15°
15°
14°
14°
14°
13°
12°
12°
12°
11°
Feels like temperature (°C)
14°
14°
14°
14°
14°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
12°
11°
11°
10°
10°
10°
Wind direction and speed (mph)
SSW
4
WSW
5
SSW
5
NE
5
SE
5
NNW
5
NNW
5
NNW
6
SE
6
WNW
7
SW
7
NW
9
WNW
11
WNW
12
NW
12
NW
12
WNW
11
WNW
12
WNW
12
WNW
11
WNW
11
WNW
10
WNW
10
WNW
10
Wind gust (mph)
8
9
9
9
9
10
10
11
13
16
17
19
16
15
18
19
23
24
22
21
20
18
17
17
Visibility (description)
G
G
G
G
G
G
G
G
G
M
M
M
G
VG
VG
E
E
E
E
E
E
E
E
E
Humidity
95%
96%
95%
96%
96%
96%
96%
96%
96%
95%
94%
93%
92%
91%
90%
83%
84%
85%
85%
88%
90%
88%
89%
89%
UV - - - - - - - 1 1 1 1 1 1 2 2 2 1 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 Light shower night Light shower night Light shower night Light shower night Light shower day Sunny intervals Sunny intervals Cloudy Light shower day Light shower day Light shower day Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
70%
70%
70%
70%
70%
70%
70%
60%
50%
50%
50%
50%
50%
50%
50%
50%
50%
40%
50%
40%
40%
40%
30%
30%
Temperature (°C)
11°
11°
11°
11°
10°
10°
10°
10°
10°
11°
11°
12°
12°
13°
13°
13°
13°
12°
12°
11°
10°
10°
10°
Feels like temperature (°C)
10°
10°
11°
10°
10°
10°
Wind direction and speed (mph)
NW
10
NW
9
NNW
9
NNW
9
NNW
9
NNW
9
NNW
9
NNW
8
N
9
N
10
N
11
N
12
N
13
N
13
NNE
13
N
14
N
13
N
13
N
12
N
11
N
10
N
9
N
9
N
8
Wind gust (mph)
18
17
17
15
18
18
18
20
24
26
28
28
29
30
29
29
28
28
24
23
21
20
19
18
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
VG
Humidity
89%
90%
89%
89%
90%
89%
88%
89%
86%
83%
80%
76%
75%
71%
66%
68%
65%
68%
69%
75%
78%
80%
80%
81%
UV - - - - - - - 1 1 1 2 3 3 3 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 Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
30%
20%
10%
10%
10%
10%
10%
10%
10%
Temperature (°C)
12°
14°
14°
11°
Feels like temperature (°C)
10°
11°
12°
Wind direction and speed (mph)
N
8
N
8
N
7
N
7
NNE
11
NNE
12
NNE
12
N
10
NNE
8
Wind gust (mph)
17
15
13
20
23
23
22
16
12
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
82%
83%
84%
85%
69%
58%
57%
70%
80%
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 Sunny intervals Sunny intervals Partly cloudy night Cloudy
Chance of precipitation
10%
10%
10%
10%
10%
10%
10%
20%
Temperature (°C)
12°
15°
15°
12°
10°
Feels like temperature (°C)
10°
12°
13°
10°
Wind direction and speed (mph)
NNE
7
NNE
6
NNE
6
NE
9
NE
11
NNE
11
NNE
8
NNE
7
Wind gust (mph)
8
7
13
18
20
17
11
7
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
82%
85%
88%
71%
63%
61%
77%
86%
UV - - 1 2 4 2 1 -

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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:

Cloudy with outbreaks of rain. Breezy.

This Evening and Tonight:

Rain persisting throughout this evening and overnight, this turning heavy at times especially in the south over the hills and mountains. Windy for all, particularly along the coasts, and feeling humid. Minimum temperature 13 °C.

Thursday:

A cloudy, damp and mild start to Thursday. Cloud breaking in the east with some brighter spells, but drizzle persisting over the hills in the west. Staying windy and humid. Maximum temperature 20 °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 through Sunday. Breezy.

Updated:

UK long range weather forecast

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