Aran Benllyn (Gwynedd) weather

Forecast days

Sunny intervals changing to light showers by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

7 day forecast for Aran Benllyn

Today (16 September 2025)
Time
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Sunny intervals Light shower day Partly cloudy night Cloudy Light rain Light rain Heavy rain
Chance of precipitation
40%
50%
40%
40%
60%
80%
90%
Temperature
Feels like temperature (°C)
Wind direction and speed
WSW
24
WSW
23
WSW
21
SW
19
SW
18
SW
18
SSW
19
Wind gust (mph)
27
25
23
21
20
21
22
Visibility
VG
VG
VG
VG
VG
P
VP
Humidity
81%
85%
87%
88%
90%
92%
96%
UV 1 1 1 - - - -
Wednesday (17 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 Heavy rain Heavy rain Heavy rain Heavy rain 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 shower day Light shower night Light shower night Light rain Light rain Light rain
Chance of precipitation
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
≥95%
90%
80%
70%
70%
60%
50%
60%
60%
60%
60%
60%
60%
70%
70%
Temperature (°C)
10°
11°
11°
11°
11°
11°
12°
12°
11°
11°
11°
11°
11°
11°
11°
11°
11°
Feels like temperature (°C)
Wind direction and speed (mph)
SSW
20
S
21
S
25
S
28
S
30
S
36
SSW
40
SSW
40
SW
40
SW
40
SW
37
SW
36
SW
36
SW
36
SW
35
SW
35
SW
40
SW
39
SW
38
SW
37
SW
36
SW
34
SW
33
SW
32
Wind gust (mph)
23
27
31
33
39
44
44
44
44
44
40
40
40
40
39
44
44
42
41
41
39
38
36
35
Visibility (description)
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
Humidity
97%
97%
97%
97%
97%
97%
97%
98%
98%
99%
99%
99%
99%
99%
99%
99%
98%
98%
98%
98%
98%
99%
99%
99%
UV - - - - - - 1 1 1 1 1 2 2 2 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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light 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 Light rain
Chance of precipitation
80%
90%
90%
90%
90%
≥95%
≥95%
≥95%
90%
90%
90%
80%
70%
70%
70%
70%
70%
60%
60%
60%
70%
60%
60%
60%
Temperature (°C)
11°
11°
11°
11°
11°
11°
11°
12°
11°
11°
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
Feels like temperature (°C)
Wind direction and speed (mph)
SW
32
SW
31
SW
30
SW
30
SW
27
SW
29
SW
31
SW
33
SW
34
SW
35
SW
36
SW
36
SW
37
SW
37
SW
37
SW
37
SW
43
SW
42
SW
41
SW
40
SW
40
SSW
39
SSW
39
SSW
40
Wind gust (mph)
35
34
33
33
34
35
38
40
41
41
42
41
42
43
41
47
47
46
45
44
43
43
44
44
Visibility (description)
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
Humidity
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
98%
98%
99%
98%
97%
98%
98%
98%
99%
99%
99%
98%
98%
UV - - - - - - 1 1 1 1 1 2 2 2 1 1 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 Light rain Light rain Light rain Light rain Light rain Fog Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Mist Fog Mist Mist Mist Mist
Chance of precipitation
50%
50%
50%
60%
60%
50%
50%
60%
60%
70%
60%
60%
60%
60%
60%
70%
50%
50%
50%
40%
40%
50%
50%
40%
Temperature (°C)
11°
11°
11°
11°
11°
11°
10°
10°
10°
11°
11°
11°
11°
11°
11°
11°
10°
10°
10°
10°
Feels like temperature (°C)
Wind direction and speed (mph)
SSW
40
SSW
39
SSW
39
SSW
39
SSW
33
SSW
32
SSW
31
SSW
29
SSW
28
SSW
28
SW
27
SW
26
SW
26
SW
26
SW
25
SW
25
SW
28
SW
27
SW
26
SW
23
SW
21
SW
19
SW
19
SW
18
Wind gust (mph)
44
43
43
43
37
36
34
32
31
30
30
29
30
29
29
31
31
29
28
26
23
21
20
20
Visibility (description)
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
VP
P
P
P
VP
P
VP
P
P
P
Humidity
98%
98%
98%
98%
98%
98%
98%
98%
98%
98%
98%
96%
96%
94%
94%
94%
94%
94%
95%
96%
97%
97%
97%
97%
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 Mist Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light shower day Light shower day Cloudy Light shower day 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
50%
40%
30%
30%
30%
30%
30%
30%
30%
30%
40%
40%
50%
50%
50%
50%
50%
60%
60%
60%
60%
60%
60%
60%
Temperature (°C)
Feels like temperature (°C)
Wind direction and speed (mph)
SW
17
SW
16
SW
15
SW
14
SW
12
SW
13
SW
12
SW
11
WSW
12
WSW
13
WSW
15
W
16
WNW
17
WNW
17
WNW
17
WNW
17
NW
20
NW
18
NW
17
NNW
16
NNW
14
NNW
14
NW
16
NNW
18
Wind gust (mph)
19
17
16
16
16
16
15
13
15
16
18
18
19
19
22
23
21
20
19
17
16
18
20
22
Visibility (description)
P
P
VG
VG
VG
VG
VG
VG
VG
VG
E
E
E
E
E
E
VG
E
VG
VG
VG
VG
VG
VG
Humidity
97%
97%
96%
95%
95%
94%
94%
94%
93%
91%
88%
86%
84%
81%
80%
79%
77%
80%
83%
89%
91%
92%
92%
92%
UV - - - - - - 1 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
Sunday (21 September 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Light shower night Light shower night Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Partly cloudy night Cloudy
Chance of precipitation
60%
50%
50%
40%
30%
30%
20%
20%
10%
Temperature (°C)
Feels like temperature (°C)
-1°
-1°
-2°
-3°
Wind direction and speed (mph)
NNW
19
N
20
N
20
NNE
19
NNE
22
N
26
NNE
35
NNE
25
NNE
19
Wind gust (mph)
22
26
26
30
33
38
38
28
21
Visibility (description)
VG
G
G
VG
VG
VG
G
VG
VG
Humidity
92%
92%
92%
90%
77%
65%
61%
74%
79%
UV - - - 1 2 3 2 1 -
Monday (22 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Cloudy Cloudy Sunny intervals Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
<5%
<5%
<5%
<5%
<5%
<5%
10%
Temperature (°C)
Feels like temperature (°C)
-3°
-3°
-3°
-1°
-3°
Wind direction and speed (mph)
NNE
17
NNE
12
NNE
12
NE
18
NE
22
NE
29
NE
21
NE
16
Wind gust (mph)
19
14
20
24
32
32
23
18
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
G
Humidity
82%
84%
85%
70%
62%
63%
76%
86%
UV - - 1 2 3 1 1 -

UK video forecast

Aran Benllyn weather map

View the weather with our interactive map

Loading map...
WARNING
Flood alerts icon
Flood alerts in force for Wales
Flood alerts in force for Wales

Wales weather forecast

Headline:

Remaining changeable with rain tonight.

This Evening and Tonight:

Cloudy this evening then turning increasingly wet and windy overnight with a band of heavy and persistent rain pushing eastwards. Rain most persistent over the mountains, with flooding possible. Mild overnight. Minimum temperature 11 °C.

Wednesday:

Heavy, 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 18 °C.

Outlook for Thursday to Saturday:

Remaining changeable with showers or longer spells of rain at times, though brighter interludes are possible. Often breezy. A little milder and more humid by the end of the week.

Updated:

UK long range weather forecast

More from the Met Office