Cadair Idris (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 3° Celsius;
-
Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: -3° Celsius;
-
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius; -
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;
Fog changing to light rain by late morning.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Cadair Idris
Today (23 February 2026)
| 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%
|
10%
|
50%
|
70%
|
90%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
≥95%
|
≥95%
|
| Temperature |
2°
|
2°
|
2°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
| Feels like temperature (°C) |
-6°
|
-6°
|
-6°
|
-5°
|
-4°
|
-4°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
| Wind direction and speed |
WSW
44
|
WSW
43
|
WSW
42
|
WSW
40
|
WSW
40
|
WSW
38
|
WSW
36
|
WSW
33
|
WSW
29
|
SW
27
|
SW
26
|
SW
30
|
SW
30
|
SW
29
|
SW
27
|
SSW
27
|
SSW
27
|
SSW
29
|
| Wind gust (mph) |
48
|
48
|
46
|
44
|
44
|
41
|
40
|
36
|
32
|
29
|
28
|
33
|
33
|
32
|
30
|
29
|
30
|
31
|
| Visibility |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
94%
|
93%
|
93%
|
92%
|
93%
|
96%
|
99%
|
99%
|
99%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
| UV | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Tuesday (24 February 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 |
90%
|
70%
|
50%
|
30%
|
20%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
5°
|
5°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
-2°
|
-3°
|
-3°
|
-4°
|
-4°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-3°
|
-3°
|
-2°
|
-1°
|
-1°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
| Wind direction and speed (mph) |
SW
31
|
SW
34
|
SW
35
|
SW
34
|
SW
34
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
30
|
SSW
30
|
S
30
|
S
30
|
S
30
|
S
35
|
S
34
|
S
34
|
S
34
|
S
34
|
S
33
|
S
33
|
| Wind gust (mph) |
34
|
37
|
38
|
38
|
38
|
32
|
32
|
32
|
32
|
32
|
32
|
32
|
33
|
33
|
33
|
33
|
33
|
38
|
38
|
37
|
37
|
37
|
37
|
36
|
| Visibility (description) |
VP
|
VP
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
M
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
100%
|
100%
|
97%
|
96%
|
95%
|
92%
|
94%
|
94%
|
93%
|
92%
|
90%
|
87%
|
87%
|
85%
|
84%
|
84%
|
83%
|
85%
|
85%
|
86%
|
88%
|
88%
|
89%
|
91%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Wednesday (25 February 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%
|
<5%
|
10%
|
10%
|
20%
|
40%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
70%
|
70%
|
70%
|
60%
|
60%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
| Wind direction and speed (mph) |
S
32
|
S
31
|
S
30
|
S
29
|
S
28
|
S
23
|
S
24
|
S
24
|
S
24
|
S
23
|
SSW
24
|
SSW
24
|
SSW
24
|
SSW
24
|
SSW
23
|
SSW
23
|
SSW
23
|
SSW
27
|
SSW
27
|
SSW
28
|
SSW
29
|
SSW
30
|
SSW
32
|
SSW
33
|
| Wind gust (mph) |
35
|
34
|
33
|
31
|
31
|
26
|
26
|
26
|
26
|
23
|
26
|
26
|
27
|
26
|
26
|
26
|
25
|
29
|
30
|
31
|
32
|
33
|
35
|
36
|
| Visibility (description) |
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
91%
|
91%
|
92%
|
92%
|
93%
|
94%
|
96%
|
97%
|
98%
|
98%
|
99%
|
99%
|
97%
|
96%
|
97%
|
97%
|
97%
|
98%
|
98%
|
97%
|
97%
|
96%
|
96%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Thursday (26 February 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 |
60%
|
60%
|
50%
|
60%
|
60%
|
70%
|
80%
|
70%
|
70%
|
70%
|
60%
|
70%
|
70%
|
60%
|
70%
|
70%
|
70%
|
80%
|
80%
|
80%
|
70%
|
80%
|
80%
|
90%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
4°
|
4°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-3°
|
-2°
|
-2°
|
-2°
|
| Wind direction and speed (mph) |
SSW
34
|
SW
36
|
SW
37
|
SW
38
|
SW
39
|
SW
34
|
SW
35
|
SW
35
|
SW
36
|
SW
36
|
SW
37
|
SW
37
|
SW
37
|
SW
37
|
SW
37
|
SW
36
|
SW
34
|
SW
39
|
SW
38
|
SSW
35
|
SSW
34
|
SSW
33
|
SSW
32
|
SSW
31
|
| Wind gust (mph) |
38
|
39
|
41
|
42
|
43
|
38
|
38
|
38
|
36
|
40
|
41
|
41
|
41
|
41
|
40
|
39
|
38
|
43
|
41
|
39
|
37
|
36
|
35
|
35
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
| Humidity |
96%
|
96%
|
97%
|
97%
|
98%
|
97%
|
96%
|
97%
|
96%
|
96%
|
94%
|
94%
|
93%
|
95%
|
96%
|
97%
|
98%
|
98%
|
98%
|
98%
|
97%
|
97%
|
97%
|
97%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Friday (27 February 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 |
80%
|
80%
|
70%
|
60%
|
50%
|
50%
|
40%
|
40%
|
40%
|
50%
|
50%
|
40%
|
40%
|
50%
|
60%
|
60%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
1°
|
2°
|
1°
|
1°
|
1°
|
0°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-5°
|
-7°
|
-6°
|
-7°
|
-7°
|
-7°
|
-7°
|
| Wind direction and speed (mph) |
SSW
33
|
SW
34
|
SW
34
|
WSW
34
|
SW
33
|
SW
33
|
SW
29
|
SW
29
|
WSW
28
|
SW
28
|
WSW
29
|
WSW
30
|
WSW
33
|
WSW
33
|
WSW
33
|
WSW
32
|
WSW
30
|
W
29
|
WSW
34
|
WSW
32
|
WSW
32
|
WSW
32
|
WSW
30
|
WSW
27
|
| Wind gust (mph) |
36
|
37
|
37
|
37
|
37
|
37
|
32
|
29
|
31
|
31
|
32
|
33
|
36
|
37
|
36
|
35
|
33
|
32
|
38
|
36
|
36
|
35
|
33
|
30
|
| Visibility (description) |
VP
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
97%
|
97%
|
97%
|
97%
|
96%
|
96%
|
95%
|
95%
|
92%
|
91%
|
89%
|
87%
|
85%
|
84%
|
85%
|
85%
|
85%
|
87%
|
87%
|
88%
|
89%
|
88%
|
89%
|
89%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Saturday (28 February 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
40%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
0°
|
-1°
|
-1°
|
0°
|
3°
|
2°
|
1°
|
1°
|
| Feels like temperature (°C) |
-8°
|
-9°
|
-8°
|
-6°
|
-4°
|
-5°
|
-7°
|
-7°
|
| Wind direction and speed (mph) |
WSW
31
|
WSW
29
|
SW
17
|
SW
17
|
SW
27
|
SSW
35
|
SSW
35
|
S
36
|
| Wind gust (mph) |
34
|
32
|
19
|
22
|
30
|
39
|
39
|
39
|
| Visibility (description) |
G
|
M
|
M
|
G
|
M
|
M
|
M
|
M
|
| Humidity |
89%
|
91%
|
92%
|
86%
|
75%
|
77%
|
86%
|
90%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
Sunday (1 March 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
 |
|
|
| Chance of precipitation |
50%
|
50%
|
40%
|
40%
|
40%
|
50%
|
60%
|
60%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
2°
|
4°
|
5°
|
4°
|
4°
|
| Feels like temperature (°C) |
-7°
|
-5°
|
-6°
|
-5°
|
-3°
|
-3°
|
-4°
|
-5°
|
| Wind direction and speed (mph) |
S
35
|
SSW
24
|
SSW
26
|
SSW
27
|
SSW
33
|
S
44
|
S
42
|
S
46
|
| Wind gust (mph) |
38
|
27
|
29
|
29
|
36
|
48
|
46
|
51
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
P
|
| Humidity |
90%
|
92%
|
92%
|
88%
|
81%
|
80%
|
86%
|
89%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
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WARNING
Flood alerts in force for Wales
Flood alerts in force for Wales
Wales weather forecast
Headline:
Changeable, though very mild for much of the week.
Today:
A bright start, with a few blustery showers. It should become dry for a while in the morning, though rain will arrive from the southwest later with a damp afternoon following. Some fog patches developing. Mild, though remaining breezy. Maximum temperature 12 °C.
Tonight:
It will be a cloudy evening with some rain and fog patches in places. Turning drier overnight, though staying rather cloudy. It will be mild, and fairly breezy. Minimum temperature 8 °C.
Tuesday:
Tuesday morning looks cloudy and breezy with patchy light rain, chiefly in the west. Some brighter spells are possible later, especially in the east where it will become very mild. Maximum temperature 13 °C.
Outlook for Wednesday to Friday:
Another very mild, though fairly cloudy day on Wednesday with patchy rain in the west. Cooling down thereafter and turning more unsettled, with rain and strong winds possible at times.
Updated:
UK long range weather forecast
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