Maerdy (Rhondda Cynon Taf) weather

Forecast days

Yellow weather warning.
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Sunset iconSunset:
M UV
L Pollution

7 day forecast for Maerdy

Today (29 August 2026)
Time
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 shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Overcast Cloudy Overcast Overcast
Chance of precipitation
90%
90%
70%
60%
50%
70%
80%
70%
40%
20%
30%
50%
Temperature
17°
17°
18°
19°
19°
19°
18°
17°
16°
16°
16°
16°
Feels like temperature (°C)
17°
17°
18°
19°
19°
19°
17°
16°
15°
14°
14°
15°
Wind direction and speed
S
8
SSW
6
SW
5
W
6
W
7
W
8
W
9
W
10
WNW
10
WNW
11
W
11
W
10
Wind gust (mph)
16
14
13
17
20
23
28
29
29
27
25
24
Visibility
M
M
G
G
VG
M
G
M
M
G
G
M
Humidity
96%
95%
92%
88%
84%
86%
90%
93%
93%
92%
92%
93%
UV 1 4 3 3 3 1 1 1 1 - - -
Sunday (30 August 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Heavy shower day Heavy shower day Light shower day Light shower day Light shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower night Heavy shower night Heavy shower night Heavy shower night
Chance of precipitation
60%
60%
60%
70%
80%
70%
70%
80%
90%
70%
50%
60%
80%
90%
≥95%
≥95%
≥95%
90%
90%
90%
≥95%
≥95%
≥95%
90%
Temperature (°C)
16°
16°
15°
15°
15°
15°
14°
14°
15°
16°
16°
17°
17°
17°
17°
17°
17°
16°
16°
16°
15°
15°
14°
14°
Feels like temperature (°C)
15°
15°
14°
14°
14°
14°
14°
15°
14°
15°
15°
16°
16°
16°
16°
16°
15°
15°
15°
14°
13°
13°
13°
13°
Wind direction and speed (mph)
W
8
W
8
W
8
W
7
W
6
WSW
5
SW
4
SSW
3
SSW
6
SSW
8
SSW
9
SSW
9
SSW
9
SSW
10
SSW
10
SSW
10
SSW
10
SW
10
SW
10
SW
9
SW
10
SW
9
SW
9
SW
8
Wind gust (mph)
23
22
22
20
18
16
17
13
19
21
23
24
26
26
28
30
31
28
27
27
26
26
25
26
Visibility (description)
M
M
M
M
M
M
M
M
M
M
G
G
G
G
G
G
G
M
G
G
G
M
M
M
Humidity
94%
94%
94%
94%
95%
96%
95%
96%
96%
94%
92%
85%
84%
83%
84%
90%
91%
92%
92%
92%
93%
94%
96%
95%
UV - - - - - - 1 1 1 2 3 4 5 5 2 1 1 1 1 1 1 - - -
Monday (31 August 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 Heavy shower night Light shower night Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Cloudy
Chance of precipitation
80%
70%
50%
40%
50%
50%
40%
40%
40%
30%
30%
20%
20%
20%
30%
20%
10%
10%
10%
<5%
<5%
10%
20%
30%
Temperature (°C)
14°
13°
13°
13°
13°
13°
13°
13°
13°
14°
15°
16°
17°
17°
17°
17°
17°
17°
16°
16°
15°
14°
14°
13°
Feels like temperature (°C)
13°
12°
12°
11°
12°
12°
12°
11°
12°
12°
13°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
13°
13°
Wind direction and speed (mph)
WSW
8
WSW
8
W
8
W
9
W
9
W
9
W
9
W
9
W
10
W
11
W
11
W
11
W
11
W
11
W
11
WNW
11
W
11
W
10
W
9
W
8
W
7
W
6
W
6
W
5
Wind gust (mph)
25
26
25
25
24
25
24
24
26
27
27
27
28
28
28
27
26
24
23
21
20
20
19
18
Visibility (description)
M
G
G
M
G
G
G
M
G
G
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
94%
93%
94%
93%
93%
93%
93%
93%
91%
89%
84%
79%
74%
72%
70%
68%
65%
65%
66%
68%
73%
78%
81%
84%
UV - - - - - - 1 1 1 2 3 5 5 6 5 4 3 1 1 1 1 - - -
Tuesday (1 September 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 Cloudy 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 Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Cloudy
Chance of precipitation
40%
50%
50%
50%
60%
60%
70%
60%
50%
40%
50%
60%
60%
60%
50%
50%
50%
40%
40%
40%
30%
40%
40%
50%
Temperature (°C)
13°
13°
12°
12°
13°
13°
13°
13°
14°
15°
16°
16°
17°
17°
17°
17°
17°
17°
17°
16°
16°
15°
15°
15°
Feels like temperature (°C)
12°
12°
12°
12°
12°
12°
12°
12°
13°
14°
15°
15°
15°
15°
15°
16°
16°
16°
16°
15°
15°
15°
15°
14°
Wind direction and speed (mph)
WSW
5
WSW
5
WSW
4
WSW
3
WSW
5
WSW
5
SW
5
WSW
5
WSW
6
WSW
8
WSW
8
WSW
9
SW
10
WSW
11
WSW
11
WSW
11
WSW
11
WSW
10
WSW
9
WSW
9
WSW
7
WSW
6
SW
6
SW
7
Wind gust (mph)
18
18
17
13
17
18
18
18
18
21
23
24
26
26
26
26
26
24
22
19
18
17
18
18
Visibility (description)
VG
G
G
G
G
G
G
M
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
Humidity
86%
87%
89%
90%
91%
92%
93%
93%
92%
90%
84%
82%
80%
79%
80%
80%
81%
82%
83%
85%
88%
91%
92%
93%
UV - - - - - - 1 1 1 2 2 4 5 4 4 3 2 1 1 1 - - - -
Wednesday (2 September 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 Mist Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Cloudy Cloudy Overcast Overcast Cloudy Cloudy
Chance of precipitation
50%
50%
50%
60%
70%
70%
80%
80%
80%
80%
80%
70%
70%
60%
60%
60%
60%
50%
50%
40%
40%
40%
40%
40%
Temperature (°C)
15°
15°
15°
15°
15°
15°
15°
15°
16°
16°
16°
17°
17°
17°
18°
18°
18°
18°
17°
17°
16°
16°
16°
16°
Feels like temperature (°C)
14°
14°
14°
14°
14°
14°
14°
14°
15°
15°
15°
15°
16°
16°
17°
17°
17°
16°
16°
16°
15°
15°
15°
15°
Wind direction and speed (mph)
SW
7
SW
7
SW
7
SW
7
SW
8
SW
8
SW
8
SSW
8
SSW
9
SSW
9
SSW
10
SW
10
SW
10
SW
10
WSW
11
WSW
11
WSW
11
WSW
10
WSW
10
WSW
9
WSW
9
WSW
9
WSW
9
WSW
9
Wind gust (mph)
18
18
19
20
21
22
25
25
26
27
27
26
28
29
32
31
31
30
27
26
25
25
26
23
Visibility (description)
M
M
M
M
M
M
P
P
P
P
P
M
M
M
M
M
G
G
M
M
M
M
M
M
Humidity
94%
94%
96%
96%
96%
96%
96%
97%
97%
97%
97%
96%
94%
92%
92%
90%
90%
90%
91%
92%
93%
95%
95%
95%
UV - - - - - - 1 1 1 1 1 2 3 3 3 3 2 1 1 1 - - - -
Thursday (3 September 2026)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Mist Cloudy Mist Cloudy Sunny intervals Sunny intervals Sunny intervals Cloudy Overcast
Chance of precipitation
30%
40%
30%
20%
20%
30%
30%
30%
40%
Temperature (°C)
16°
16°
15°
15°
16°
18°
18°
17°
15°
Feels like temperature (°C)
15°
15°
15°
14°
14°
16°
16°
15°
14°
Wind direction and speed (mph)
WSW
9
WSW
8
W
8
W
8
W
9
W
10
WSW
11
WSW
9
WSW
10
Wind gust (mph)
23
21
20
22
25
26
25
20
18
Visibility (description)
M
M
M
M
G
G
G
G
M
Humidity
95%
95%
95%
95%
86%
72%
69%
80%
93%
UV - - - 1 3 4 2 1 -
Friday (4 September 2026)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Mist Mist Overcast Cloudy Cloudy Cloudy Cloudy Mist
Chance of precipitation
40%
40%
40%
40%
30%
30%
30%
30%
Temperature (°C)
15°
15°
15°
17°
17°
18°
16°
16°
Feels like temperature (°C)
14°
14°
14°
15°
16°
17°
15°
14°
Wind direction and speed (mph)
W
9
W
9
W
7
W
9
W
10
W
9
WSW
9
WSW
9
Wind gust (mph)
17
17
21
25
26
24
18
14
Visibility (description)
M
M
M
M
G
G
G
M
Humidity
95%
96%
96%
90%
82%
79%
86%
94%
UV - - 1 2 4 2 1 -

UK video forecast

Maerdy weather map

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Wales weather forecast

Headline:

Cloud and rain moving eastwards. Showers thereafter.

Today:

A cloudy and wet start with heavy spells of rain, clearing eastwards during the day. Turning brighter from the west during the afternoon with sunny spells and showers following. Maximum temperature 20 °C.

Tonight:

Further showers are likely during the evening but turning drier from the west with clear spells. Isolated showers are likely to persist for much of the night, across high ground. Minimum temperature 13 °C.

Sunday:

A cloudy start on Sunday with any sunny spells soon giving way to showers, these locally heavy, with thunder and hail during the afternoon and evening. Temperatures close to normal. Maximum temperature 21 °C.

Outlook for Monday to Wednesday:

Unsettled throughout with showers, these locally heavy and with thundery. Staying warm to start with but turning fresher as winds shift to a westerly and strengthen from Monday.

Updated:

UK long range weather forecast