News
Red Extreme Heat Warning issued with June temperature records forecast to break
The Met Office has issued a Red Extreme Heat Warning for Wednesday and Thursday, with June’s all-time daily record temperature forecast to be broken.
Read moreYr Wyddfa / Snowdon Summit (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
Amber weather warning.
Sunrise:
Sunset:
7 day forecast for Yr Wyddfa / Snowdon Summit
Today (24 June 2026)
| Time |
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%
|
| Temperature |
15°
|
14°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
18°
|
| Feels like temperature (°C) |
12°
|
11°
|
12°
|
12°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
14°
|
12°
|
11°
|
11°
|
| Wind direction and speed |
N
18
|
N
18
|
NNE
17
|
NE
15
|
ENE
10
|
NE
8
|
NNE
7
|
NE
8
|
ESE
8
|
NE
7
|
NNW
9
|
NNW
13
|
NNW
15
|
NNW
15
|
N
14
|
NNE
14
|
ENE
15
|
E
19
|
E
24
|
E
28
|
E
31
|
| Wind gust (mph) |
20
|
19
|
18
|
16
|
10
|
10
|
12
|
12
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
18
|
17
|
20
|
27
|
31
|
34
|
| Visibility |
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
87%
|
87%
|
85%
|
81%
|
77%
|
77%
|
76%
|
73%
|
70%
|
71%
|
74%
|
75%
|
75%
|
75%
|
76%
|
76%
|
76%
|
76%
|
74%
|
71%
|
| UV | - | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Thursday (25 June 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 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
21°
|
21°
|
23°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
22°
|
21°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
19°
|
20°
|
22°
|
21°
|
18°
|
16°
|
15°
|
| Wind direction and speed (mph) |
E
33
|
E
34
|
ESE
34
|
ESE
28
|
ESE
27
|
ESE
26
|
SE
25
|
SE
24
|
SE
24
|
SE
24
|
SE
24
|
SE
24
|
SE
25
|
SE
26
|
SE
26
|
SE
30
|
SE
30
|
SE
29
|
SSE
24
|
SSE
19
|
SE
18
|
SE
21
|
SE
25
|
SSE
27
|
| Wind gust (mph) |
36
|
37
|
37
|
31
|
30
|
29
|
28
|
26
|
26
|
26
|
26
|
26
|
27
|
28
|
29
|
33
|
33
|
31
|
26
|
21
|
20
|
24
|
28
|
30
|
| 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 |
69%
|
68%
|
70%
|
72%
|
71%
|
71%
|
71%
|
69%
|
67%
|
66%
|
63%
|
56%
|
54%
|
53%
|
46%
|
42%
|
41%
|
41%
|
46%
|
55%
|
60%
|
58%
|
59%
|
64%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Friday (26 June 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 | |
|
|
 |
|
 |
|
|
|
|
|
|
|
|
 |
 |
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
30%
|
30%
|
40%
|
30%
|
30%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
21°
|
20°
|
19°
|
19°
|
19°
|
18°
|
18°
|
19°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
18°
|
18°
|
17°
|
16°
|
15°
|
14°
|
13°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
16°
|
14°
|
13°
|
11°
|
10°
|
9°
|
9°
|
8°
|
7°
|
7°
|
7°
|
7°
|
| Wind direction and speed (mph) |
SSE
29
|
SSE
30
|
SSE
29
|
SSE
23
|
S
20
|
SSE
18
|
S
16
|
SSE
13
|
S
12
|
S
12
|
SSW
14
|
S
16
|
S
18
|
SSW
23
|
SSW
26
|
SSW
33
|
SSW
34
|
S
35
|
S
35
|
S
35
|
S
35
|
S
35
|
S
34
|
S
32
|
| Wind gust (mph) |
32
|
33
|
31
|
25
|
22
|
20
|
18
|
14
|
13
|
15
|
15
|
17
|
20
|
26
|
29
|
37
|
38
|
38
|
38
|
39
|
39
|
38
|
37
|
36
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
M
|
M
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
66%
|
67%
|
67%
|
66%
|
67%
|
69%
|
69%
|
70%
|
71%
|
69%
|
69%
|
68%
|
67%
|
69%
|
74%
|
79%
|
83%
|
86%
|
88%
|
92%
|
94%
|
96%
|
97%
|
96%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Saturday (27 June 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 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
20%
|
20%
|
30%
|
30%
|
30%
|
40%
|
40%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
7°
|
7°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
| Wind direction and speed (mph) |
S
31
|
S
31
|
S
30
|
S
25
|
S
24
|
S
24
|
S
25
|
S
27
|
S
29
|
S
31
|
S
33
|
S
34
|
S
35
|
S
36
|
S
36
|
S
42
|
SSW
40
|
SSW
39
|
SSW
36
|
SSW
35
|
S
34
|
S
35
|
S
37
|
S
37
|
| Wind gust (mph) |
34
|
34
|
33
|
27
|
27
|
27
|
28
|
30
|
31
|
34
|
36
|
37
|
38
|
39
|
40
|
47
|
44
|
43
|
40
|
38
|
37
|
39
|
41
|
41
|
| 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%
|
96%
|
96%
|
96%
|
96%
|
95%
|
94%
|
92%
|
91%
|
88%
|
86%
|
85%
|
84%
|
84%
|
84%
|
82%
|
84%
|
84%
|
87%
|
91%
|
93%
|
95%
|
95%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | 1 | - | - |
Sunday (28 June 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 |  |
|
 |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
60%
|
60%
|
70%
|
60%
|
50%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
7°
|
7°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
5°
|
5°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
4°
|
4°
|
2°
|
1°
|
1°
|
| Wind direction and speed (mph) |
S
37
|
S
35
|
SSW
34
|
SSW
33
|
SSW
32
|
SW
31
|
SSW
31
|
SW
31
|
SW
33
|
SW
29
|
SW
30
|
SW
31
|
WSW
32
|
WSW
33
|
WSW
34
|
WSW
40
|
WSW
40
|
WSW
38
|
SW
37
|
SW
36
|
SW
33
|
SW
40
|
SW
35
|
SW
34
|
| Wind gust (mph) |
40
|
38
|
37
|
36
|
35
|
34
|
34
|
34
|
36
|
32
|
33
|
34
|
36
|
37
|
37
|
44
|
43
|
42
|
41
|
39
|
37
|
44
|
38
|
37
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
96%
|
97%
|
98%
|
98%
|
98%
|
98%
|
97%
|
96%
|
94%
|
92%
|
89%
|
84%
|
79%
|
73%
|
69%
|
68%
|
68%
|
67%
|
68%
|
70%
|
73%
|
78%
|
83%
|
84%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 3 | 3 | 2 | 1 | 1 | 1 | - | - |
Monday (29 June 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
7°
|
6°
|
6°
|
7°
|
9°
|
10°
|
11°
|
9°
|
7°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
3°
|
4°
|
6°
|
5°
|
4°
|
2°
|
| Wind direction and speed (mph) |
SW
32
|
WSW
31
|
WSW
19
|
SW
24
|
WSW
28
|
WSW
29
|
WSW
39
|
WSW
36
|
SW
18
|
| Wind gust (mph) |
36
|
34
|
21
|
26
|
31
|
32
|
43
|
40
|
20
|
| Visibility (description) |
G
|
M
|
M
|
P
|
P
|
M
|
M
|
M
|
M
|
| Humidity |
85%
|
86%
|
88%
|
85%
|
74%
|
66%
|
66%
|
73%
|
88%
|
| UV | - | - | 1 | 1 | 4 | 5 | 4 | 1 | - |
Tuesday (30 June 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
6°
|
5°
|
8°
|
10°
|
11°
|
11°
|
10°
|
7°
|
| Feels like temperature (°C) |
2°
|
2°
|
5°
|
6°
|
7°
|
6°
|
5°
|
2°
|
| Wind direction and speed (mph) |
SW
13
|
SSW
9
|
SSW
9
|
W
16
|
W
23
|
W
33
|
W
30
|
SW
19
|
| Wind gust (mph) |
15
|
10
|
15
|
20
|
25
|
36
|
33
|
21
|
| Visibility (description) |
G
|
M
|
P
|
P
|
M
|
M
|
M
|
P
|
| Humidity |
95%
|
96%
|
92%
|
73%
|
66%
|
65%
|
71%
|
89%
|
| UV | - | 1 | 1 | 4 | 7 | 4 | 1 | - |
Tooltip header
Yr Wyddfa / Snowdon Summit weather map
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Wales weather forecast
Headline:
Turning extremely hot and humid through this week.
This Evening and Tonight:
Staying very warm into the evening with some late sunshine. A very warm and muggy night to follow, with difficult sleeping conditions. Perhaps with a few mist and fog patches. Minimum temperature 17 °C.
Wednesday:
Extreme heat warnings in place. Very hot and humid with strong sunshine through the day. Light winds and continuing to feel very warm and muggy into the evening. Maximum temperature 34 °C.
Outlook for Thursday to Saturday:
Extremely hot and humid on Thursday, particularly in the south. Strong sunshine, but with the increasing risk of thunderstorms from Thursday evening onwards. Becoming slightly cooler from Friday.
Updated:
UK long range weather forecast
Nearest forecasts
- Snowdon Ranger Youth Hostel 2.4 miles
- Pen-y-Pass Youth Hostel 2.6 miles
- Bryn Gwynant Youth Hostel 2.9 miles
- Glyder Fawr 3.1 miles
- Y Garn 3.5 miles
- Grib Nantlle (Nantlle Ridge) Y Garn 3.6 miles
- Llanberis Youth Hostel 3.8 miles
- Glyder Fach 3.8 miles
- Beddgelert 4.0 miles
- Electric Mountain Llanberis 4.0 miles