Diffwys (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -3° Celsius; -
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -4° Celsius;
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -4° Celsius; -
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -4° Celsius;
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -4° Celsius; -
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -2° Celsius;
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 4° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 5° Celsius;
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius;
Sleet changing to light snow showers in the afternoon.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Diffwys
Today (16 February 2026)
| Time |
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 |
40%
|
70%
|
70%
|
80%
|
80%
|
70%
|
40%
|
20%
|
20%
|
<5%
|
<5%
|
| Temperature |
1°
|
2°
|
2°
|
2°
|
2°
|
1°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
| Feels like temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-7°
|
-8°
|
-9°
|
-9°
|
-9°
|
| Wind direction and speed |
WNW
24
|
W
24
|
W
24
|
WNW
24
|
WNW
23
|
NW
23
|
NW
23
|
NW
23
|
NW
24
|
NW
22
|
NW
21
|
| Wind gust (mph) |
30
|
32
|
32
|
33
|
31
|
32
|
31
|
30
|
30
|
28
|
26
|
| Visibility |
P
|
P
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
92%
|
91%
|
92%
|
91%
|
87%
|
85%
|
81%
|
76%
|
77%
|
76%
|
| UV | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Tuesday (17 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 |
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-3°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
| Feels like temperature (°C) |
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-8°
|
-8°
|
-8°
|
-7°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-8°
|
-9°
|
-10°
|
-10°
|
-11°
|
-11°
|
-11°
|
| Wind direction and speed (mph) |
NW
21
|
WNW
21
|
NW
21
|
NW
20
|
NW
18
|
NW
17
|
NW
14
|
NW
12
|
NNW
11
|
N
11
|
N
11
|
NNE
12
|
NNE
13
|
NNE
12
|
NE
11
|
NE
11
|
ENE
12
|
ENE
12
|
E
14
|
E
15
|
E
16
|
E
18
|
E
20
|
E
22
|
| Wind gust (mph) |
26
|
26
|
26
|
25
|
23
|
22
|
20
|
19
|
18
|
15
|
17
|
16
|
15
|
13
|
14
|
14
|
15
|
16
|
18
|
20
|
21
|
21
|
22
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
75%
|
77%
|
79%
|
79%
|
81%
|
83%
|
84%
|
84%
|
83%
|
77%
|
71%
|
63%
|
57%
|
51%
|
50%
|
50%
|
55%
|
64%
|
65%
|
67%
|
67%
|
66%
|
66%
|
65%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Wednesday (18 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
-3°
|
-4°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-3°
|
-3°
|
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
| Feels like temperature (°C) |
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-13°
|
-13°
|
-13°
|
-12°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
| Wind direction and speed (mph) |
ESE
21
|
ESE
21
|
ESE
23
|
ESE
24
|
ESE
25
|
ESE
26
|
ESE
27
|
ESE
29
|
ESE
30
|
ESE
32
|
ESE
32
|
E
35
|
E
35
|
E
37
|
E
37
|
E
37
|
E
37
|
E
37
|
E
36
|
E
35
|
E
35
|
E
34
|
E
33
|
E
30
|
| Wind gust (mph) |
23
|
25
|
26
|
27
|
28
|
30
|
32
|
34
|
35
|
38
|
39
|
40
|
41
|
41
|
41
|
41
|
42
|
41
|
40
|
40
|
38
|
37
|
35
|
34
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
66%
|
69%
|
68%
|
68%
|
70%
|
73%
|
75%
|
75%
|
77%
|
76%
|
74%
|
71%
|
70%
|
67%
|
66%
|
65%
|
68%
|
68%
|
68%
|
69%
|
71%
|
70%
|
72%
|
73%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Thursday (19 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 |
<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) |
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-3°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
| Feels like temperature (°C) |
-12°
|
-12°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-10°
|
-9°
|
-8°
|
-6°
|
-6°
|
-5°
|
-5°
|
-6°
|
-7°
|
-8°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
| Wind direction and speed (mph) |
E
28
|
E
27
|
E
25
|
E
23
|
E
22
|
E
21
|
E
20
|
E
20
|
E
18
|
E
18
|
E
17
|
ESE
17
|
ESE
16
|
SE
15
|
SE
14
|
SSE
13
|
SSE
12
|
SSE
12
|
S
13
|
S
14
|
S
15
|
S
16
|
SSW
17
|
SSW
17
|
| Wind gust (mph) |
32
|
30
|
29
|
27
|
25
|
25
|
22
|
21
|
19
|
19
|
19
|
18
|
17
|
15
|
15
|
14
|
14
|
15
|
16
|
17
|
19
|
20
|
21
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
| Humidity |
73%
|
74%
|
73%
|
74%
|
75%
|
76%
|
76%
|
76%
|
75%
|
73%
|
68%
|
64%
|
59%
|
59%
|
60%
|
62%
|
66%
|
75%
|
76%
|
75%
|
76%
|
78%
|
77%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Friday (20 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 |
<5%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
30%
|
30%
|
40%
|
50%
|
60%
|
70%
|
70%
|
80%
|
70%
|
70%
|
70%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
2°
|
3°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
-9°
|
-9°
|
-9°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-7°
|
-7°
|
-6°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
-2°
|
| Wind direction and speed (mph) |
SSW
20
|
SSW
21
|
SSW
22
|
SSW
23
|
SSW
23
|
SSW
25
|
SSW
25
|
SSW
26
|
SSW
28
|
SSW
29
|
SSW
30
|
SSW
32
|
SSW
34
|
SSW
35
|
SSW
35
|
SW
34
|
SW
34
|
SW
34
|
SW
37
|
SW
37
|
SW
36
|
SW
36
|
SW
35
|
SW
35
|
| Wind gust (mph) |
26
|
27
|
29
|
29
|
30
|
31
|
33
|
34
|
36
|
38
|
38
|
39
|
40
|
41
|
41
|
41
|
39
|
40
|
39
|
38
|
40
|
37
|
36
|
35
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
M
|
M
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
81%
|
80%
|
78%
|
80%
|
82%
|
84%
|
85%
|
86%
|
89%
|
90%
|
92%
|
93%
|
95%
|
96%
|
98%
|
98%
|
98%
|
98%
|
98%
|
99%
|
99%
|
98%
|
98%
|
98%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Saturday (21 February 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%
|
50%
|
50%
|
60%
|
50%
|
60%
|
50%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-1°
|
-1°
|
0°
|
0°
|
-1°
|
0°
|
| Wind direction and speed (mph) |
SW
38
|
WSW
37
|
WSW
29
|
SW
30
|
SW
37
|
SW
36
|
SW
38
|
SW
37
|
| Wind gust (mph) |
42
|
40
|
32
|
33
|
40
|
40
|
42
|
41
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
98%
|
99%
|
99%
|
99%
|
98%
|
98%
|
99%
|
99%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
Sunday (22 February 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
| Temperature (°C) |
6°
|
6°
|
5°
|
5°
|
6°
|
6°
|
5°
|
5°
|
| Feels like temperature (°C) |
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
-1°
|
-1°
|
| Wind direction and speed (mph) |
SW
34
|
SW
34
|
SW
35
|
SW
34
|
SW
38
|
SW
37
|
SW
36
|
SW
35
|
| Wind gust (mph) |
38
|
35
|
39
|
35
|
42
|
41
|
39
|
39
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
99%
|
99%
|
98%
|
98%
|
97%
|
96%
|
96%
|
96%
|
| 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:
Blustery showers today, frost and ice tonight, then fine tomorrow.
Today:
A changeable day consisting of often cloudy skies, brief sunny intervals and occasional showers. These heavy with hail in places and wintry over higher ground. Blustery and feeling rather cold. Maximum temperature 8 °C.
Tonight:
Further showers, occasionally heavy, through this evening. These falling as snow over hills in the north and perhaps to lower levels before clearing overnight. Turning frosty with icy stretches. Minimum temperature -2 °C.
Tuesday:
A frosty start with a risk of ice in places. Thereafter a fine and crisp day and despite a cold northerly breeze, the sunshine will feel pleasant in sheltered spots. Maximum temperature 7 °C.
Outlook for Wednesday to Friday:
Turning windier on Wednesday with rain and hill snow possible in the south. Otherwise a settled spell of weather with frosty nights. Southerly winds freshening on Friday with rain later.
Updated:
UK long range weather forecast
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