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Weather Carmarthen: Current forecast

Carmarthen / United Kingdom

9.2 °C
Feels like 6.2 °C
Min 8 °C / Max 10 °C
Weather Carmarthen: Partly cloudy, 9 °C Partly cloudy
21.2 km/h SSW
Wind
31.6 km/h SSW
Gusts
1013 hPa
Pressure
0 mm
Precipitation
93 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder Moderate
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
07:03 / 17:57
Sunrise / Sunset
15:32 / 06:29
Moonrise / Moonset
Waxing Moon (93 %)
Moon phase

Updated: Mar 1, 2026, 3:24 CET | Mar 1, 2026, 2:24 GMT

Today's Summary

If you head out in Carmarthen today, you'll see a partly cloudy sky. The thermometer currently shows 9.2°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 7.7°C and 10°C.

Hourly forecast – Carmarthen, today

Mar 1, 02:00
9 °C
Partly cloudy
Carmarthen Mar 1, 02:00: Partly cloudy, 9 °C
Mar 1, 03:00
8 °C
Patchy rain possible
Carmarthen Mar 1, 03:00: Patchy rain possible, 8 °C
Mar 1, 04:00
8 °C
Patchy rain possible
Carmarthen Mar 1, 04:00: Patchy rain possible, 8 °C
Mar 1, 05:00
8 °C
Light rain shower
Carmarthen Mar 1, 05:00: Light rain shower, 8 °C
Mar 1, 06:00
8 °C
Light drizzle
Carmarthen Mar 1, 06:00: Light drizzle, 8 °C
Mar 1, 07:00
8 °C
Patchy rain possible
Carmarthen Mar 1, 07:00: Patchy rain possible, 8 °C
Mar 1, 08:00
8 °C
Light drizzle
Carmarthen Mar 1, 08:00: Light drizzle, 8 °C
Mar 1, 09:00
9 °C
Patchy rain possible
Carmarthen Mar 1, 09:00: Patchy rain possible, 9 °C
Mar 1, 10:00
9 °C
Patchy rain possible
Carmarthen Mar 1, 10:00: Patchy rain possible, 9 °C
Mar 1, 11:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 11:00: Patchy rain possible, 10 °C
Mar 1, 12:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 12:00: Patchy rain possible, 10 °C
Mar 1, 13:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 13:00: Patchy rain possible, 10 °C
Mar 1, 14:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 14:00: Patchy rain possible, 10 °C
Mar 1, 15:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 15:00: Patchy rain possible, 10 °C
Mar 1, 16:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 16:00: Patchy rain possible, 10 °C
Mar 1, 17:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 17:00: Patchy rain possible, 10 °C
Mar 1, 18:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 18:00: Patchy rain possible, 10 °C
Mar 1, 19:00
10 °C
Overcast
Carmarthen Mar 1, 19:00: Overcast, 10 °C
Mar 1, 20:00
10 °C
Overcast
Carmarthen Mar 1, 20:00: Overcast, 10 °C
Mar 1, 21:00
10 °C
Patchy rain possible
Carmarthen Mar 1, 21:00: Patchy rain possible, 10 °C
Mar 1, 22:00
9 °C
Overcast
Carmarthen Mar 1, 22:00: Overcast, 9 °C
Mar 1, 23:00
9 °C
Overcast
Carmarthen Mar 1, 23:00: Overcast, 9 °C
Mar 2, 00:00
9 °C
Overcast
Carmarthen Mar 2, 00:00: Overcast, 9 °C
Mar 2, 01:00
9 °C
Overcast
Carmarthen Mar 2, 01:00: Overcast, 9 °C
Time
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
Carmarthen Mar 1, 02:00: Partly cloudy
Carmarthen Mar 1, 03:00: Patchy rain possible
Carmarthen Mar 1, 04:00: Patchy rain possible
Carmarthen Mar 1, 05:00: Light rain shower
Carmarthen Mar 1, 06:00: Light drizzle
Carmarthen Mar 1, 07:00: Patchy rain possible
Carmarthen Mar 1, 08:00: Light drizzle
Carmarthen Mar 1, 09:00: Patchy rain possible
Carmarthen Mar 1, 10:00: Patchy rain possible
Carmarthen Mar 1, 11:00: Patchy rain possible
Carmarthen Mar 1, 12:00: Patchy rain possible
Carmarthen Mar 1, 13:00: Patchy rain possible
Carmarthen Mar 1, 14:00: Patchy rain possible
Carmarthen Mar 1, 15:00: Patchy rain possible
Carmarthen Mar 1, 16:00: Patchy rain possible
Carmarthen Mar 1, 17:00: Patchy rain possible
Carmarthen Mar 1, 18:00: Patchy rain possible
Carmarthen Mar 1, 19:00: Overcast
Carmarthen Mar 1, 20:00: Overcast
Carmarthen Mar 1, 21:00: Patchy rain possible
Carmarthen Mar 1, 22:00: Overcast
Carmarthen Mar 1, 23:00: Overcast
Carmarthen Mar 2, 00:00: Overcast
Carmarthen Mar 2, 01:00: Overcast
Temperature (°C)
Chance of rain (%)
69
72
59
100
100
100
100
100
63
84
100
67
100
63
100
77
85
0
0
85
0
0
0
0
Precipitation
0 mm
0 mm
0 mm
0.3 mm
0.4 mm
0.2 mm
0.3 mm
0.1 mm
0 mm
0 mm
0.1 mm
0.1 mm
0.1 mm
0 mm
0.1 mm
0 mm
0 mm
—
—
0 mm
—
—
—
—
Wind (km/h)
SSW
21
SSW
19
S
19
SSW
22
SSW
22
S
23
S
25
SSW
25
SW
29
SSW
30
SSW
32
SSW
34
SSW
36
SSW
37
S
37
S
39
S
39
S
41
S
42
S
43
S
43
S
43
S
42
S
41
Pressure (hPa)
1013
1013
1012
1012
1011
1011
1010
1010
1011
1011
1011
1010
1010
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
Humidity (%)
93 %
94 %
93 %
92 %
94 %
97 %
97 %
97 %
96 %
95 %
92 %
94 %
92 %
91 %
90 %
89 %
88 %
88 %
88 %
87 %
87 %
86 %
86 %
86 %
Cloud cover (%)
50 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
99 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %

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 2.7°C at night, with daytime highs up to 13.8°C.

Date
Mar 1
Mar 2
Mar 3
Mar 4
Mar 5
Mar 6
Mar 7
Mar 8
Mar 9
Mar 10
Mar 11
Mar 12
Mar 13
Mar 14
Carmarthen March 1, 2026: Patchy rain possible
Carmarthen March 2, 2026: Patchy rain possible
Carmarthen March 3, 2026: Partly cloudy
Carmarthen March 4, 2026: Sunny
Carmarthen March 5, 2026: Patchy rain possible
Carmarthen March 6, 2026: Patchy rain possible
Carmarthen March 7, 2026: Partly cloudy
Carmarthen March 8, 2026: Patchy rain possible
Carmarthen March 9, 2026: Patchy rain possible
Carmarthen March 10, 2026: Patchy rain possible
Carmarthen March 11, 2026: Patchy rain possible
Carmarthen March 12, 2026: Patchy rain possible
Carmarthen March 13, 2026: Partly cloudy
Carmarthen March 14, 2026: Partly cloudy
Temperature (°C)
Chance of rain (%)
94
89
0
0
88
85
0
83
87
80
88
87
0
0
Precipitation
1.8 mm
3.8 mm
0 mm
—
0.3 mm
1.6 mm
0 mm
0.2 mm
1.3 mm
3.2 mm
0.9 mm
3.1 mm
0 mm
—
Wind max (km/h)
43
42
8
13
24
40
25
32
41
40
36
37
18
19
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
March 1, 2026 Carmarthen March 1, 2026: Patchy rain possible Patchy rain possible 8 °C 10 °C 07:03 17:57 15:32 06:29 Waxing Moon (93 %)
March 2, 2026 Carmarthen March 2, 2026: Patchy rain possible Patchy rain possible 8 °C 11 °C 07:01 17:59 16:57 06:45 Waxing Moon (97 %)
March 3, 2026 Carmarthen March 3, 2026: Partly cloudy Partly cloudy 6 °C 12 °C 06:59 18:01 18:18 06:58 Full Moon (100 %)
March 4, 2026 Carmarthen March 4, 2026: Sunny Sunny 6 °C 13 °C 06:56 18:02 19:36 07:09 Waning Moon (100 %)
March 5, 2026 Carmarthen March 5, 2026: Patchy rain possible Patchy rain possible 6 °C 13 °C 06:54 18:04 20:52 07:20 Waning Moon (97 %)
March 6, 2026 Carmarthen March 6, 2026: Patchy rain possible Patchy rain possible 5 °C 8 °C 06:52 18:06 22:08 07:31 Waning Moon (93 %)
March 7, 2026 Carmarthen March 7, 2026: Partly cloudy Partly cloudy 3 °C 10 °C 06:50 18:08 23:24 07:43 Waning Moon (87 %)
March 8, 2026 Carmarthen March 8, 2026: Patchy rain possible Patchy rain possible 8 °C 11 °C 06:47 18:09 — 07:58 Waning Moon (80 %)
March 9, 2026 Carmarthen March 9, 2026: Patchy rain possible Patchy rain possible 4 °C 8 °C 06:45 18:11 00:39 08:18 Waning Moon (72 %)
March 10, 2026 Carmarthen March 10, 2026: Patchy rain possible Patchy rain possible 4 °C 9 °C 06:43 18:13 01:52 08:46 Waning Moon (63 %)
March 11, 2026 Carmarthen March 11, 2026: Patchy rain possible Patchy rain possible 5 °C 12 °C 06:41 18:15 02:58 09:25 Last Quarter (54 %)
March 12, 2026 Carmarthen March 12, 2026: Patchy rain possible Patchy rain possible 7 °C 11 °C 06:38 18:16 03:53 10:17 Waning Crescent (44 %)
March 13, 2026 Carmarthen March 13, 2026: Partly cloudy Partly cloudy 8 °C 12 °C 06:36 18:18 04:34 11:23 Waning Crescent (35 %)
March 14, 2026 Carmarthen March 14, 2026: Partly cloudy Partly cloudy 7 °C 14 °C 06:34 18:20 05:05 12:37 Waning Crescent (26 %)
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