Nefyn (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 6° Celsius;
Heavy rain changing to sunny intervals in the afternoon.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Nefyn
Today (19 October 2025)
| Time |
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 |  |
|
|
|
|
|
|
|
|
|
|
 |
 |
|
|
|
 |
|
|
|
|
 |
| Chance of precipitation |
90%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
60%
|
30%
|
10%
|
10%
|
20%
|
20%
|
30%
|
30%
|
40%
|
40%
|
50%
|
| Temperature |
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
12°
|
13°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
| Wind direction and speed |
SE
22
|
SE
22
|
SE
22
|
SE
22
|
SE
23
|
SE
23
|
SE
23
|
SE
23
|
SE
23
|
SSE
23
|
SSE
21
|
S
18
|
SSW
16
|
SSW
14
|
SSW
13
|
SSW
11
|
S
11
|
S
10
|
S
10
|
S
11
|
SSE
12
|
SSE
13
|
| Wind gust (mph) |
39
|
41
|
41
|
41
|
41
|
41
|
42
|
41
|
41
|
39
|
34
|
30
|
26
|
25
|
24
|
23
|
23
|
23
|
25
|
25
|
26
|
27
|
| Visibility |
G
|
M
|
VG
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
90%
|
88%
|
86%
|
85%
|
90%
|
92%
|
92%
|
92%
|
93%
|
94%
|
96%
|
93%
|
90%
|
84%
|
83%
|
85%
|
88%
|
88%
|
89%
|
90%
|
91%
|
92%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Monday (20 October 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 | |
|
|
|
|
|
 |
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
60%
|
70%
|
80%
|
90%
|
90%
|
90%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
80%
|
70%
|
80%
|
70%
|
70%
|
50%
|
40%
|
40%
|
50%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SSE
14
|
SSE
15
|
SSE
16
|
SSE
16
|
SSE
16
|
SSE
17
|
SSE
16
|
SE
16
|
SSE
16
|
SE
15
|
SE
15
|
SE
14
|
SE
12
|
SE
10
|
ENE
8
|
NW
9
|
NW
11
|
NW
12
|
WNW
13
|
WNW
13
|
WNW
14
|
WNW
14
|
WNW
14
|
WNW
15
|
| Wind gust (mph) |
30
|
30
|
31
|
32
|
32
|
32
|
30
|
31
|
29
|
27
|
25
|
21
|
17
|
12
|
11
|
14
|
15
|
17
|
18
|
21
|
21
|
23
|
23
|
24
|
| Visibility (description) |
VG
|
E
|
E
|
E
|
E
|
E
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
92%
|
92%
|
92%
|
91%
|
92%
|
93%
|
93%
|
93%
|
92%
|
91%
|
91%
|
90%
|
89%
|
88%
|
87%
|
87%
|
88%
|
88%
|
88%
|
89%
|
88%
|
90%
|
90%
|
89%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Tuesday (21 October 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 | |
|
 |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
60%
|
40%
|
30%
|
50%
|
50%
|
50%
|
40%
|
40%
|
50%
|
60%
|
50%
|
40%
|
40%
|
50%
|
60%
|
70%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
20%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
WNW
15
|
W
15
|
W
14
|
W
13
|
W
12
|
W
12
|
W
11
|
W
11
|
W
11
|
W
11
|
W
13
|
W
15
|
W
16
|
W
16
|
W
16
|
W
16
|
WNW
16
|
W
16
|
W
16
|
W
15
|
WNW
15
|
WNW
16
|
WNW
15
|
WNW
14
|
| Wind gust (mph) |
25
|
26
|
26
|
25
|
24
|
23
|
22
|
22
|
22
|
24
|
25
|
24
|
24
|
25
|
27
|
28
|
28
|
28
|
28
|
28
|
27
|
25
|
24
|
21
|
| Visibility (description) |
VG
|
VG
|
E
|
E
|
E
|
VG
|
E
|
E
|
E
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
89%
|
88%
|
87%
|
88%
|
88%
|
90%
|
89%
|
89%
|
89%
|
91%
|
89%
|
86%
|
85%
|
84%
|
84%
|
84%
|
82%
|
82%
|
79%
|
79%
|
79%
|
79%
|
78%
|
80%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (22 October 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 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
30%
|
40%
|
40%
|
40%
|
50%
|
60%
|
60%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
60%
|
| Temperature (°C) |
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
9°
|
8°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
7°
|
7°
|
6°
|
7°
|
7°
|
7°
|
7°
|
9°
|
9°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Wind direction and speed (mph) |
WNW
13
|
W
11
|
W
10
|
W
9
|
WSW
8
|
WSW
7
|
SW
6
|
SSW
6
|
S
6
|
SSE
6
|
SSE
7
|
SSE
9
|
SSE
10
|
SSE
10
|
SSE
10
|
SSE
11
|
SSE
11
|
SE
11
|
SE
12
|
SE
13
|
SE
14
|
SE
15
|
ESE
15
|
ESE
16
|
| Wind gust (mph) |
20
|
19
|
18
|
16
|
15
|
14
|
13
|
11
|
12
|
11
|
12
|
12
|
12
|
13
|
12
|
13
|
15
|
16
|
17
|
16
|
19
|
21
|
23
|
21
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
80%
|
81%
|
81%
|
81%
|
83%
|
84%
|
84%
|
85%
|
86%
|
85%
|
80%
|
76%
|
75%
|
74%
|
76%
|
78%
|
80%
|
86%
|
90%
|
91%
|
87%
|
88%
|
88%
|
88%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (23 October 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 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
50%
|
50%
|
60%
|
70%
|
70%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
50%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
| Wind direction and speed (mph) |
SSE
17
|
WSW
19
|
W
20
|
W
19
|
W
19
|
W
18
|
WNW
18
|
W
17
|
WNW
17
|
NW
18
|
WNW
18
|
WNW
19
|
WNW
20
|
WNW
21
|
WNW
21
|
WNW
21
|
WNW
21
|
WNW
21
|
WNW
21
|
WNW
20
|
WNW
20
|
WNW
20
|
WNW
20
|
WNW
20
|
| Wind gust (mph) |
23
|
23
|
22
|
22
|
22
|
20
|
20
|
19
|
20
|
20
|
19
|
21
|
25
|
26
|
26
|
28
|
30
|
33
|
33
|
37
|
37
|
35
|
34
|
34
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
87%
|
85%
|
83%
|
82%
|
82%
|
82%
|
82%
|
82%
|
81%
|
81%
|
79%
|
77%
|
77%
|
75%
|
77%
|
77%
|
79%
|
80%
|
80%
|
80%
|
80%
|
82%
|
83%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (24 October 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
60%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
10°
|
10°
|
9°
|
| Feels like temperature (°C) |
5°
|
6°
|
6°
|
6°
|
7°
|
8°
|
7°
|
6°
|
6°
|
| Wind direction and speed (mph) |
WNW
20
|
NW
19
|
NW
18
|
NW
17
|
NNW
16
|
NNW
17
|
N
18
|
N
15
|
N
14
|
| Wind gust (mph) | – |
21
|
21
|
21
|
24
|
24
|
23
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
| Humidity |
85%
|
83%
|
84%
|
85%
|
82%
|
80%
|
77%
|
79%
|
79%
|
| UV | - | - | - | - | 1 | 2 | 1 | - | - |
Saturday (25 October 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
| Chance of precipitation |
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
9°
|
8°
|
8°
|
9°
|
9°
|
9°
|
8°
|
8°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
5°
|
6°
|
| Wind direction and speed (mph) |
N
13
|
NNW
13
|
NNW
13
|
NNW
14
|
NNW
15
|
NW
15
|
NNW
12
|
NW
9
|
| Wind gust (mph) |
18
|
21
|
21
|
24
|
23
|
19
|
14
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
79%
|
80%
|
75%
|
74%
|
72%
|
81%
|
80%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
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Wales weather forecast
Headline:
Wet and windy, but turning drier later.
This Evening and Tonight:
South-easterly winds freshening this evening with showery outbreaks of rain moving eastwards. Turning increasingly wet and windy overnight with some heavy and persistent rain by dawn. Coastal gales possible at times. Mild. Minimum temperature 10 °C.
Sunday:
A wet and windy morning with the heaviest rain easing by early afternoon. Turning brighter from the west, though quickly followed by showers, which may turn heavy. Winds easing. Maximum temperature 16 °C.
Outlook for Monday to Wednesday:
Windy on Monday with heavy and blustery showers and sunny spells. Fewer showers on Tuesday but staying changeable on Wednesday with further wet and windy weather possible. Temperatures around average.
Updated:
UK long range weather forecast
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