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Weather Carmarthen: Current forecast

Carmarthen / United Kingdom

16.2 °C
Feels like 16.2 °C
Min 13 °C / Max 25 °C
Weather Carmarthen: Clear, 16 °C Clear
7.6 mph ENE
Wind
16 mph ENE
Gusts
1021 hPa
Pressure
0 mm
Precipitation
77 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort Moderate
Ragweed None
05:17 / 21:29
Sunrise / Sunset
07:26 / 22:40
Moonrise / Moonset
Waxing Crescent (8 %)
Moon phase

Updated: Jul 16, 2026, 3:55 CEST Jul 16, 2026, 2:55 BST

Today's Summary

Right now Carmarthen has clear weather. The thermometer currently shows 16.2°C. Pack a light jacket for the evening. During the day temperatures will range between 12.8°C and 24.8°C.

Hourly forecast – Carmarthen, today

Jul 16, 04:00
13 °C
Sunny
Carmarthen Jul 16, 04:00: Sunny, 13 °C
Jul 16, 05:00
15 °C
Sunny
Carmarthen Jul 16, 05:00: Sunny, 15 °C
Jul 16, 06:00
18 °C
Sunny
Carmarthen Jul 16, 06:00: Sunny, 18 °C
Jul 16, 07:00
20 °C
Sunny
Carmarthen Jul 16, 07:00: Sunny, 20 °C
Jul 16, 08:00
22 °C
Sunny
Carmarthen Jul 16, 08:00: Sunny, 22 °C
Jul 16, 09:00
23 °C
Sunny
Carmarthen Jul 16, 09:00: Sunny, 23 °C
Jul 16, 10:00
24 °C
Sunny
Carmarthen Jul 16, 10:00: Sunny, 24 °C
Jul 16, 11:00
24 °C
Sunny
Carmarthen Jul 16, 11:00: Sunny, 24 °C
Jul 16, 12:00
24 °C
Sunny
Carmarthen Jul 16, 12:00: Sunny, 24 °C
Jul 16, 13:00
25 °C
Sunny
Carmarthen Jul 16, 13:00: Sunny, 25 °C
Jul 16, 14:00
25 °C
Sunny
Carmarthen Jul 16, 14:00: Sunny, 25 °C
Jul 16, 15:00
24 °C
Sunny
Carmarthen Jul 16, 15:00: Sunny, 24 °C
Jul 16, 16:00
24 °C
Sunny
Carmarthen Jul 16, 16:00: Sunny, 24 °C
Jul 16, 17:00
23 °C
Sunny
Carmarthen Jul 16, 17:00: Sunny, 23 °C
Jul 16, 18:00
22 °C
Sunny
Carmarthen Jul 16, 18:00: Sunny, 22 °C
Jul 16, 19:00
19 °C
Partly cloudy
Carmarthen Jul 16, 19:00: Partly cloudy, 19 °C
Jul 16, 20:00
17 °C
Cloudy
Carmarthen Jul 16, 20:00: Cloudy, 17 °C
Jul 16, 21:00
17 °C
Partly cloudy
Carmarthen Jul 16, 21:00: Partly cloudy, 17 °C
Jul 16, 22:00
18 °C
Partly cloudy
Carmarthen Jul 16, 22:00: Partly cloudy, 18 °C
Jul 16, 23:00
18 °C
Clear
Carmarthen Jul 16, 23:00: Clear, 18 °C
Jul 17, 00:00
16 °C
Clear
Carmarthen Jul 17, 00:00: Clear, 16 °C
Jul 17, 01:00
15 °C
Clear
Carmarthen Jul 17, 01:00: Clear, 15 °C
Jul 17, 02:00
15 °C
Clear
Carmarthen Jul 17, 02:00: Clear, 15 °C
Jul 17, 03:00
14 °C
Clear
Carmarthen Jul 17, 03:00: Clear, 14 °C
Time
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Carmarthen Jul 16, 04:00: Sunny
Carmarthen Jul 16, 05:00: Sunny
Carmarthen Jul 16, 06:00: Sunny
Carmarthen Jul 16, 07:00: Sunny
Carmarthen Jul 16, 08:00: Sunny
Carmarthen Jul 16, 09:00: Sunny
Carmarthen Jul 16, 10:00: Sunny
Carmarthen Jul 16, 11:00: Sunny
Carmarthen Jul 16, 12:00: Sunny
Carmarthen Jul 16, 13:00: Sunny
Carmarthen Jul 16, 14:00: Sunny
Carmarthen Jul 16, 15:00: Sunny
Carmarthen Jul 16, 16:00: Sunny
Carmarthen Jul 16, 17:00: Sunny
Carmarthen Jul 16, 18:00: Sunny
Carmarthen Jul 16, 19:00: Partly cloudy
Carmarthen Jul 16, 20:00: Cloudy
Carmarthen Jul 16, 21:00: Partly cloudy
Carmarthen Jul 16, 22:00: Partly cloudy
Carmarthen Jul 16, 23:00: Clear
Carmarthen Jul 17, 00:00: Clear
Carmarthen Jul 17, 01:00: Clear
Carmarthen Jul 17, 02:00: Clear
Carmarthen Jul 17, 03:00: Clear
Temperature (°C)
Chance of rain (%)
10
7
4
3
2
2
1
2
2
2
1
2
2
2
3
8
14
12
8
4
5
6
6
6
Precipitation
Wind (mph)
NE
6
NE
6
ENE
7
ENE
7
E
7
E
6
E
5
SE
5
SSE
3
SSW
3
SW
3
WNW
3
NNW
6
NNW
13
NNW
12
NNW
10
N
8
NNE
8
NNE
8
NNE
8
NNE
7
NE
8
NE
7
NNE
6
Pressure (hPa)
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
Humidity (%)
81 %
73 %
63 %
56 %
52 %
50 %
46 %
47 %
47 %
45 %
46 %
46 %
46 %
49 %
54 %
64 %
73 %
72 %
65 %
59 %
65 %
68 %
69 %
68 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
0 %
6 %
12 %
11 %
6 %
6 %
6 %
6 %
18 %
45 %
70 %
59 %
44 %
10 %
7 %
7 %
6 %
7 %

14-day weather forecast – Carmarthen

14-day trend for Carmarthen: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 9.6°C at night, with daytime highs up to 24.8°C.

Date
Jul 16
Jul 17
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Carmarthen July 16, 2026: Sunny
Carmarthen July 17, 2026: Sunny
Carmarthen July 18, 2026: Sunny
Carmarthen July 19, 2026: Sunny
Carmarthen July 20, 2026: Sunny
Carmarthen July 21, 2026: Sunny
Carmarthen July 22, 2026: Sunny
Carmarthen July 23, 2026: Sunny
Carmarthen July 24, 2026: Sunny
Carmarthen July 25, 2026: Sunny
Carmarthen July 26, 2026: Sunny
Carmarthen July 27, 2026: Sunny
Carmarthen July 28, 2026: Sunny
Carmarthen July 29, 2026: Sunny
Temperature (°C)
Chance of rain (%)
4
3
5
4
6
7
6
4
4
5
38
42
6
5
Precipitation
0.6 mm
0.9 mm
0 mm
Wind max (mph)
13
14
19
15
19
12
11
12
11
11
19
16
10
11
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 16, 2026 Carmarthen July 16, 2026: Sunny Sunny 13 °C 25 °C 05:17 21:29 07:26 22:40 Waxing Crescent (8 %)
July 17, 2026 Carmarthen July 17, 2026: Sunny Sunny 14 °C 24 °C 05:18 21:28 08:59 22:55 Waxing Crescent (15 %)
July 18, 2026 Carmarthen July 18, 2026: Sunny Sunny 12 °C 22 °C 05:19 21:27 10:28 23:07 Waxing Crescent (23 %)
July 19, 2026 Carmarthen July 19, 2026: Sunny Sunny 11 °C 22 °C 05:21 21:25 11:53 23:20 First Quarter (33 %)
July 20, 2026 Carmarthen July 20, 2026: Sunny Sunny 10 °C 20 °C 05:22 21:24 13:16 23:33 First Quarter (43 %)
July 21, 2026 Carmarthen July 21, 2026: Sunny Sunny 12 °C 22 °C 05:23 21:23 14:37 23:48 First Quarter (53 %)
July 22, 2026 Carmarthen July 22, 2026: Sunny Sunny 14 °C 23 °C 05:25 21:22 15:58 Does not set today First Quarter (64 %)
July 23, 2026 Carmarthen July 23, 2026: Sunny Sunny 13 °C 25 °C 05:26 21:20 17:16 00:07 Waxing Moon (74 %)
July 24, 2026 Carmarthen July 24, 2026: Sunny Sunny 13 °C 24 °C 05:28 21:19 18:27 00:33 Waxing Moon (82 %)
July 25, 2026 Carmarthen July 25, 2026: Sunny Sunny 13 °C 24 °C 05:29 21:18 19:28 01:09 Waxing Moon (90 %)
July 26, 2026 Carmarthen July 26, 2026: Sunny Sunny 14 °C 20 °C 05:30 21:16 20:15 01:57 Waxing Moon (95 %)
July 27, 2026 Carmarthen July 27, 2026: Sunny Sunny 11 °C 20 °C 05:32 21:15 20:49 02:57 Full Moon (99 %)
July 28, 2026 Carmarthen July 28, 2026: Sunny Sunny 10 °C 19 °C 05:33 21:13 21:13 04:06 Full Moon (100 %)
July 29, 2026 Carmarthen July 29, 2026: Sunny Sunny 10 °C 21 °C 05:35 21:12 21:31 05:19 Full Moon (99 %)