Y Garn (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius;
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 2° Celsius;
Sunny intervals changing to partly cloudy by early evening.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Y Garn
Today (17 October 2025)
| Time |
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%
|
| Temperature |
7°
|
6°
|
5°
|
6°
|
6°
|
6°
|
6°
|
| Feels like temperature (°C) |
4°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
| Wind direction and speed |
ESE
8
|
ESE
10
|
ESE
11
|
ESE
13
|
ESE
14
|
ESE
16
|
ESE
17
|
| Wind gust (mph) |
12
|
12
|
14
|
16
|
17
|
19
|
19
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
85%
|
85%
|
85%
|
85%
|
86%
|
86%
|
| UV | 1 | 1 | - | - | - | - | - |
Saturday (18 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
20%
|
30%
|
30%
|
40%
|
| Temperature (°C) |
5°
|
6°
|
5°
|
6°
|
6°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-2°
|
| Wind direction and speed (mph) |
SE
18
|
SE
18
|
SE
18
|
SE
19
|
SE
18
|
SE
19
|
SE
20
|
SE
21
|
SE
22
|
SE
24
|
SE
25
|
SE
28
|
SE
30
|
SE
31
|
SSE
33
|
SE
33
|
SE
39
|
SE
40
|
SE
40
|
SE
40
|
SE
41
|
SE
42
|
SE
43
|
SE
45
|
| Wind gust (mph) |
20
|
20
|
21
|
21
|
21
|
22
|
23
|
24
|
27
|
28
|
31
|
33
|
34
|
36
|
36
|
43
|
44
|
44
|
44
|
45
|
47
|
47
|
49
|
51
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
P
|
VP
|
VP
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
86%
|
87%
|
88%
|
89%
|
91%
|
91%
|
90%
|
91%
|
92%
|
92%
|
91%
|
88%
|
86%
|
85%
|
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
86%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (19 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%
|
70%
|
80%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
70%
|
50%
|
30%
|
30%
|
20%
|
40%
|
40%
|
40%
|
50%
|
60%
|
70%
|
| Temperature (°C) |
5°
|
6°
|
5°
|
6°
|
6°
|
6°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
9°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
0°
|
0°
|
1°
|
1°
|
2°
|
3°
|
3°
|
3°
|
4°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
| Wind direction and speed (mph) |
SE
46
|
SE
47
|
SE
47
|
SE
47
|
SE
41
|
SSE
40
|
SSE
41
|
SSE
40
|
SSE
39
|
SSE
38
|
SSE
36
|
SSE
33
|
S
31
|
S
28
|
SSW
27
|
SSW
26
|
SSW
29
|
SSW
28
|
SSW
27
|
SSW
27
|
S
27
|
S
29
|
S
30
|
S
30
|
| Wind gust (mph) |
52
|
52
|
52
|
52
|
45
|
45
|
45
|
44
|
43
|
42
|
40
|
37
|
34
|
31
|
30
|
32
|
32
|
30
|
30
|
30
|
32
|
33
|
33
|
33
|
| Visibility (description) |
VG
|
G
|
G
|
M
|
M
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
88%
|
89%
|
91%
|
92%
|
93%
|
95%
|
96%
|
97%
|
97%
|
97%
|
98%
|
98%
|
98%
|
98%
|
96%
|
95%
|
94%
|
94%
|
95%
|
95%
|
96%
|
96%
|
97%
|
97%
|
| 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%
|
60%
|
70%
|
80%
|
80%
|
90%
|
≥95%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
80%
|
80%
|
80%
|
80%
|
70%
|
70%
|
70%
|
60%
|
60%
|
50%
|
| Temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
S
30
|
S
30
|
S
32
|
S
33
|
S
30
|
S
31
|
S
29
|
S
28
|
S
27
|
S
26
|
S
26
|
S
25
|
SSW
24
|
SW
25
|
WSW
25
|
WSW
24
|
W
27
|
W
27
|
W
27
|
WNW
27
|
WNW
28
|
WNW
29
|
WNW
28
|
WNW
28
|
| Wind gust (mph) |
33
|
35
|
36
|
36
|
34
|
34
|
32
|
31
|
32
|
31
|
30
|
30
|
29
|
28
|
28
|
30
|
30
|
30
|
30
|
31
|
31
|
31
|
31
|
31
|
| 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%
|
97%
|
98%
|
98%
|
97%
|
97%
|
96%
|
96%
|
96%
|
97%
|
97%
|
98%
|
98%
|
98%
|
98%
|
98%
|
99%
|
99%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 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 |
50%
|
50%
|
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
60%
|
60%
|
60%
|
60%
|
50%
|
60%
|
70%
|
60%
|
50%
|
50%
|
60%
|
50%
|
50%
|
50%
|
40%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
| Wind direction and speed (mph) |
WNW
27
|
WNW
26
|
WNW
26
|
WNW
24
|
W
21
|
W
20
|
W
19
|
W
20
|
W
20
|
W
21
|
W
22
|
W
23
|
W
24
|
W
24
|
WNW
25
|
W
24
|
W
27
|
WNW
26
|
W
24
|
W
22
|
W
21
|
W
20
|
W
21
|
W
19
|
| Wind gust (mph) |
29
|
29
|
28
|
27
|
25
|
24
|
25
|
25
|
25
|
26
|
27
|
30
|
30
|
31
|
30
|
30
|
30
|
28
|
26
|
25
|
24
|
23
|
23
|
23
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
99%
|
99%
|
99%
|
99%
|
98%
|
98%
|
98%
|
98%
|
98%
|
98%
|
98%
|
98%
|
97%
|
95%
|
95%
|
93%
|
90%
|
91%
|
93%
|
92%
|
92%
|
91%
|
90%
|
91%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (22 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 |
30%
|
30%
|
30%
|
30%
|
50%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
5°
|
4°
|
4°
|
3°
|
5°
|
6°
|
6°
|
5°
|
4°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
1°
|
2°
|
1°
|
-1°
|
-1°
|
| Wind direction and speed (mph) |
WSW
19
|
WSW
18
|
SW
16
|
SW
13
|
SSW
13
|
SSW
17
|
SSW
22
|
S
23
|
S
22
|
| Wind gust (mph) |
22
|
20
|
18
|
17
|
23
|
25
|
25
|
25
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
P
|
| Humidity |
91%
|
92%
|
92%
|
93%
|
89%
|
83%
|
85%
|
92%
|
92%
|
| UV | - | - | - | 1 | 1 | 1 | 1 | - | - |
Thursday (23 October 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
70%
|
70%
|
70%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
4°
|
4°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
-3°
|
-4°
|
-4°
|
| Wind direction and speed (mph) |
S
24
|
SSW
23
|
SW
26
|
WSW
30
|
WSW
34
|
WSW
42
|
WSW
40
|
WSW
37
|
| Wind gust (mph) |
26
|
28
|
37
|
40
|
47
|
47
|
44
|
41
|
| Visibility (description) |
G
|
M
|
P
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
91%
|
92%
|
91%
|
87%
|
83%
|
78%
|
83%
|
85%
|
| UV | - | - | 1 | 1 | 1 | 1 | - | - |
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Wales weather forecast
Headline:
Largely dry at first, wetter and windier later this weekend.
This Evening and Tonight:
Staying cloudy for many this evening and overnight, with a few light showers in the south. Occasional clear intervals are possible, these most likely in the north and perhaps turning locally chilly here. Otherwise staying relatively mild. Minimum temperature 6 °C.
Saturday:
Mainly dry with bright spells developing and perhaps some more prolonged periods of hazy sunshine for a time. Thicker cloud later and a few showery outbreaks in the west. Breezy. Maximum temperature 14 °C.
Outlook for Sunday to Tuesday:
A damp start on Sunday as rain continues to clear eastwards, with some brighter spells possible later as winds slowly ease. Sunshine and blustery showers on Monday and Tuesday.
Updated: