Yr Wyddfa / Snowdon Summit (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 6 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 4 degrees Celsius; Minimum nighttime temperature: 0 degrees Celsius;
-
Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 4 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius;
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 0 degrees Celsius;
Light showers changing to clear by early evening.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Yr Wyddfa / Snowdon Summit
Today (13 October 2026)
| Time |
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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
4°
|
4°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
0°
|
-1°
|
-1°
|
-1°
|
| Wind direction and speed |
WSW
29
|
WSW
27
|
W
23
|
W
19
|
W
16
|
W
14
|
W
14
|
W
14
|
WSW
13
|
| Wind gust (mph) |
32
|
30
|
26
|
23
|
21
|
21
|
20
|
18
|
16
|
| Visibility |
G
|
M
|
G
|
M
|
M
|
G
|
G
|
VG
|
G
|
| Humidity |
76%
|
76%
|
79%
|
83%
|
82%
|
79%
|
77%
|
81%
|
80%
|
| UV | 1 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (14 October 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%
|
10%
|
10%
|
30%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
3°
|
4°
|
3°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
| Wind direction and speed (mph) |
SW
13
|
SW
14
|
SSW
14
|
SSW
14
|
SSW
16
|
SSW
18
|
SSW
21
|
SSW
23
|
SSW
28
|
SSW
29
|
SSW
29
|
SSW
34
|
SSW
33
|
SSW
33
|
SSW
34
|
SSW
34
|
SSW
33
|
SSW
33
|
SSW
33
|
SSW
33
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
| Wind gust (mph) |
16
|
18
|
19
|
19
|
21
|
22
|
23
|
25
|
30
|
32
|
34
|
37
|
39
|
42
|
43
|
43
|
43
|
43
|
42
|
42
|
43
|
43
|
43
|
43
|
| Visibility (description) |
G
|
G
|
G
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
| Humidity |
83%
|
84%
|
83%
|
85%
|
87%
|
91%
|
93%
|
96%
|
97%
|
95%
|
95%
|
93%
|
91%
|
88%
|
86%
|
87%
|
87%
|
90%
|
90%
|
91%
|
92%
|
93%
|
93%
|
94%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (15 October 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%
|
20%
|
30%
|
40%
|
40%
|
50%
|
60%
|
70%
|
80%
|
80%
|
90%
|
90%
|
90%
|
90%
|
≥95%
|
90%
|
90%
|
80%
|
70%
|
60%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
4°
|
4°
|
3°
|
4°
|
3°
|
2°
|
2°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
1°
|
2°
|
1°
|
0°
|
0°
|
-1°
|
-2°
|
-2°
|
-3°
|
-2°
|
-2°
|
-2°
|
-3°
|
| Wind direction and speed (mph) |
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
39
|
SSW
38
|
SSW
31
|
SSW
30
|
SW
30
|
SW
28
|
WSW
29
|
WNW
28
|
NW
26
|
NNW
24
|
NNW
23
|
NW
22
|
WNW
22
|
WNW
17
|
WNW
13
|
WNW
14
|
| Wind gust (mph) |
43
|
43
|
43
|
43
|
43
|
43
|
43
|
43
|
43
|
42
|
36
|
36
|
35
|
34
|
32
|
30
|
29
|
27
|
25
|
24
|
24
|
19
|
18
|
19
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
VP
|
P
|
VP
|
P
|
P
|
P
|
P
|
| Humidity |
94%
|
95%
|
95%
|
96%
|
97%
|
97%
|
98%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
97%
|
97%
|
95%
|
95%
|
93%
|
92%
|
92%
|
91%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (16 October 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 |
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
20%
|
30%
|
40%
|
50%
|
60%
|
60%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
| Feels like temperature (°C) |
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
| Wind direction and speed (mph) |
WNW
14
|
WNW
14
|
WNW
13
|
WNW
13
|
WNW
14
|
WNW
14
|
WNW
17
|
WNW
17
|
WNW
18
|
WNW
18
|
WNW
21
|
WNW
22
|
WNW
22
|
WNW
24
|
NW
24
|
NW
22
|
NW
22
|
NW
21
|
NW
18
|
NW
17
|
NW
15
|
NW
15
|
NNW
15
|
NNW
15
|
| Wind gust (mph) |
19
|
20
|
20
|
21
|
21
|
21
|
23
|
22
|
23
|
24
|
26
|
26
|
27
|
27
|
27
|
26
|
25
|
23
|
22
|
23
|
23
|
21
|
21
|
20
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
| Humidity |
89%
|
88%
|
87%
|
87%
|
87%
|
87%
|
86%
|
86%
|
87%
|
86%
|
85%
|
83%
|
78%
|
76%
|
76%
|
75%
|
75%
|
76%
|
80%
|
82%
|
83%
|
84%
|
84%
|
84%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Saturday (17 October 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 |
30%
|
40%
|
30%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
1°
|
1°
|
1°
|
1°
|
1°
|
| Feels like temperature (°C) |
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-3°
|
-4°
|
-4°
|
-3°
|
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
| Wind direction and speed (mph) |
NNW
14
|
NNW
13
|
NNW
13
|
NNW
11
|
N
11
|
N
11
|
N
11
|
NNE
11
|
NNE
11
|
NNE
10
|
NNE
10
|
NNE
11
|
NNE
13
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
10
|
NNE
9
|
NE
9
|
NE
9
|
ENE
9
|
ENE
10
|
E
10
|
| Wind gust (mph) |
19
|
19
|
19
|
17
|
17
|
17
|
16
|
15
|
15
|
13
|
15
|
15
|
15
|
14
|
15
|
14
|
13
|
13
|
12
|
12
|
11
|
10
|
11
|
11
|
| Visibility (description) |
G
|
M
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
G
|
G
|
M
|
G
|
G
|
M
|
| Humidity |
85%
|
83%
|
85%
|
85%
|
83%
|
83%
|
82%
|
80%
|
80%
|
78%
|
76%
|
71%
|
66%
|
63%
|
62%
|
61%
|
63%
|
67%
|
77%
|
78%
|
78%
|
80%
|
81%
|
80%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (18 October 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
1°
|
1°
|
0°
|
0°
|
1°
|
2°
|
3°
|
1°
|
1°
|
| Feels like temperature (°C) |
-4°
|
-4°
|
-4°
|
-3°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
| Wind direction and speed (mph) |
E
10
|
ESE
10
|
ESE
8
|
ESE
7
|
ESE
7
|
N
11
|
NNE
14
|
ENE
9
|
SE
9
|
| Wind gust (mph) |
11
|
11
|
9
|
8
|
12
|
13
|
15
|
10
|
10
|
| Visibility (description) |
G
|
M
|
M
|
G
|
G
|
G
|
G
|
M
|
M
|
| Humidity |
81%
|
82%
|
85%
|
88%
|
76%
|
63%
|
65%
|
86%
|
90%
|
| UV | - | - | - | 1 | 1 | 2 | 1 | - | - |
Monday (19 October 2026)
| 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%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
2°
|
4°
|
4°
|
2°
|
2°
|
| Feels like temperature (°C) |
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-3°
|
-3°
|
| Wind direction and speed (mph) |
SE
9
|
ESE
8
|
ESE
8
|
ESE
10
|
E
19
|
NE
19
|
ENE
16
|
E
13
|
| Wind gust (mph) |
10
|
9
|
9
|
12
|
21
|
21
|
18
|
14
|
| Visibility (description) |
P
|
VP
|
VP
|
P
|
M
|
M
|
P
|
P
|
| Humidity |
92%
|
93%
|
94%
|
85%
|
75%
|
77%
|
92%
|
95%
|
| UV | - | - | 1 | 1 | 2 | 1 | - | - |
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Wales weather forecast
Headline:
A cooler night ahead with clear spells.
This Evening and Tonight:
Any showers this evening will quickly fade, leading to a clear and dry night. Feeling chilly with temperatures falling to single-digits, and a risk of grass frost and a few fog patches for inland rural spots. Minimum temperature 5 °C.
Wednesday:
An increasingly breezy day on Wednesday as a strengthening southwesterly wind develops. Otherwise, sunny spells becoming increasingly limited throughout the day, but remaining largely dry until after dark. Feeling mild. Maximum temperature 19 °C.
Outlook for Thursday to Saturday:
Increasingly cloudy on Thursday with outbreaks of heavy rain and strong winds. Dry with sunny spells on Friday but remaining breezy. Cooler on Saturday with light winds and sunny spells.
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