Grib Nantlle (Nantlle Ridge) Y Garn (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 1° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 3° Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 12° Celsius;
Maximum daytime temperature: 12° Celsius;
8 day forecast for Grib Nantlle (Nantlle Ridge) Y Garn
Today (16 May 2025)
| Time |
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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
6°
|
7°
|
9°
|
10°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
2°
|
5°
|
7°
|
8°
|
9°
|
10°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
7°
|
| Wind direction and speed |
ESE
10
|
E
8
|
NE
7
|
N
8
|
NNW
9
|
N
10
|
NNE
11
|
NNE
14
|
NNE
17
|
NNE
19
|
NNE
20
|
NNE
19
|
NNE
19
|
NNE
17
|
NNE
14
|
NNE
13
|
NE
12
|
NE
12
|
| Wind gust (mph) |
13
|
13
|
13
|
15
|
17
|
18
|
19
|
21
|
23
|
23
|
23
|
22
|
21
|
19
|
16
|
14
|
13
|
13
|
| Visibility |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
74%
|
64%
|
61%
|
59%
|
53%
|
49%
|
48%
|
47%
|
45%
|
46%
|
43%
|
44%
|
47%
|
55%
|
57%
|
58%
|
60%
|
| UV | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Saturday (17 May 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
8°
|
9°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
5°
|
5°
|
4°
|
4°
|
6°
|
7°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
7°
|
8°
|
8°
|
| Wind direction and speed (mph) |
ENE
12
|
ENE
11
|
ENE
10
|
ENE
10
|
ENE
10
|
ENE
9
|
ENE
7
|
ENE
6
|
NE
6
|
N
7
|
N
9
|
NNE
12
|
NNE
15
|
NNE
17
|
NNE
17
|
NNE
17
|
NE
16
|
NE
17
|
NE
16
|
NE
15
|
NE
12
|
NE
11
|
ENE
11
|
ENE
12
|
| Wind gust (mph) |
13
|
13
|
13
|
14
|
15
|
15
|
16
|
18
|
19
|
20
|
21
|
21
|
22
|
22
|
22
|
21
|
21
|
20
|
19
|
19
|
17
|
15
|
14
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
63%
|
64%
|
65%
|
67%
|
69%
|
70%
|
73%
|
69%
|
67%
|
65%
|
63%
|
62%
|
62%
|
62%
|
61%
|
60%
|
59%
|
57%
|
57%
|
61%
|
69%
|
73%
|
67%
|
66%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Sunday (18 May 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
9°
|
9°
|
12°
|
14°
|
15°
|
13°
|
11°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
8°
|
10°
|
11°
|
12°
|
10°
|
8°
|
| Wind direction and speed (mph) |
ENE
13
|
E
13
|
ENE
11
|
NE
7
|
NNE
12
|
NE
16
|
NE
16
|
NE
18
|
ENE
15
|
| Wind gust (mph) |
15
|
15
|
14
|
18
|
23
|
23
|
23
|
20
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
| Humidity |
66%
|
66%
|
65%
|
64%
|
47%
|
41%
|
43%
|
50%
|
55%
|
| UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
Monday (19 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
20%
|
20%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
12°
|
14°
|
14°
|
12°
|
10°
|
| Feels like temperature (°C) |
6°
|
5°
|
6°
|
9°
|
11°
|
11°
|
9°
|
7°
|
| Wind direction and speed (mph) |
E
18
|
ESE
17
|
ESE
13
|
E
13
|
E
14
|
ENE
14
|
NE
15
|
E
14
|
| Wind gust (mph) |
20
|
20
|
20
|
23
|
25
|
23
|
20
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
| Humidity |
59%
|
63%
|
65%
|
54%
|
42%
|
47%
|
57%
|
61%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tuesday (20 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
9°
|
10°
|
12°
|
14°
|
14°
|
13°
|
6°
|
| Feels like temperature (°C) |
6°
|
6°
|
8°
|
10°
|
11°
|
11°
|
10°
|
3°
|
| Wind direction and speed (mph) |
ESE
18
|
ESE
13
|
E
6
|
N
9
|
N
14
|
N
15
|
N
15
|
NE
9
|
| Wind gust (mph) |
20
|
14
|
14
|
20
|
22
|
20
|
16
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
VG
|
VG
|
| Humidity |
63%
|
62%
|
64%
|
52%
|
43%
|
43%
|
45%
|
85%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Wednesday (21 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
2°
|
8°
|
13°
|
15°
|
15°
|
13°
|
6°
|
| Feels like temperature (°C) |
1°
|
0°
|
7°
|
11°
|
11°
|
10°
|
10°
|
3°
|
| Wind direction and speed (mph) |
ENE
7
|
ENE
6
|
W
4
|
WNW
10
|
NW
16
|
NW
22
|
WNW
19
|
SW
12
|
| Wind gust (mph) |
8
|
7
|
11
|
21
|
24
|
24
|
20
|
13
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
92%
|
71%
|
57%
|
43%
|
42%
|
47%
|
85%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Thursday (22 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
 |
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
30%
|
40%
|
| Temperature (°C) |
5°
|
4°
|
8°
|
11°
|
13°
|
12°
|
11°
|
8°
|
| Feels like temperature (°C) |
2°
|
1°
|
5°
|
8°
|
9°
|
8°
|
7°
|
5°
|
| Wind direction and speed (mph) |
S
11
|
S
9
|
SSE
9
|
SW
15
|
SW
20
|
WSW
26
|
SW
23
|
SSW
17
|
| Wind gust (mph) |
12
|
10
|
19
|
25
|
29
|
29
|
26
|
20
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
90%
|
91%
|
79%
|
66%
|
59%
|
59%
|
63%
|
88%
|
| UV | - | - | 1 | 4 | 5 | 3 | 1 | - |
Friday (23 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
8°
|
8°
|
9°
|
10°
|
11°
|
12°
|
11°
|
8°
|
| Feels like temperature (°C) |
5°
|
4°
|
6°
|
7°
|
8°
|
8°
|
7°
|
5°
|
| Wind direction and speed (mph) |
SSW
16
|
SSW
13
|
SW
13
|
W
18
|
W
21
|
W
22
|
W
19
|
SW
14
|
| Wind gust (mph) |
18
|
19
|
24
|
27
|
29
|
28
|
21
|
15
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
91%
|
94%
|
91%
|
81%
|
74%
|
67%
|
76%
|
90%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Tooltip header
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Grib Nantlle (Nantlle Ridge) Y Garn weather map
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Wales weather forecast
Headline:
Staying dry and often sunny. Warm days and cool nights.
Today:
Any early cloud or mist patches quickly clearing to leave another sunny day. Feeling warm in the light winds and strong sunshine with high UV levels. Sea breezes may keep some coastal regions somewhat fresher. Maximum temperature 22 °C.
Tonight:
Staying sunny and warm into this evening, then clear skies at first overnight. Probably turning cloudier in the east later. Turning chilly where skies stay clear, with rural grass frost. Minimum temperature 4 °C.
Saturday:
A cloudy and cool start for some but sunshine for western areas. Brightening up in the east with plenty of strong sunshine by the afternoon. Feeling warm with light winds. Maximum temperature 21 °C.
Outlook for Sunday to Tuesday:
Most places remaining dry through this period. Whilst some cloud is likely at times, there'll also be plenty of warm sunshine. Small chance of isolated showers on Monday and Tuesday.
Updated:
UK long range weather forecast
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