Diffwys (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius;
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Light showers changing to sunny intervals in the afternoon.
Sunrise:
Sunset:
7 day forecast for Diffwys
Today (25 August 2026)
| Time |
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%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
30%
|
40%
|
| Temperature |
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
16°
|
15°
|
15°
|
13°
|
| Feels like temperature (°C) |
13°
|
14°
|
14°
|
15°
|
14°
|
14°
|
14°
|
12°
|
11°
|
10°
|
| Wind direction and speed |
ESE
16
|
ESE
15
|
ESE
14
|
ESE
13
|
ESE
13
|
E
11
|
E
13
|
E
15
|
E
17
|
ESE
16
|
| Wind gust (mph) |
24
|
23
|
22
|
21
|
19
|
18
|
23
|
27
|
27
|
26
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
56%
|
52%
|
44%
|
42%
|
42%
|
52%
|
46%
|
55%
|
58%
|
65%
|
| UV | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Wednesday (26 August 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 |
40%
|
50%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
50%
|
30%
|
20%
|
20%
|
20%
|
20%
|
30%
|
40%
|
60%
|
60%
|
60%
|
50%
|
40%
|
30%
|
20%
|
<5%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
12°
|
13°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
15°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
11°
|
12°
|
13°
|
13°
|
14°
|
15°
|
16°
|
15°
|
16°
|
14°
|
13°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
E
16
|
ESE
16
|
E
14
|
E
14
|
E
13
|
ESE
13
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
SE
11
|
SE
11
|
SE
10
|
SE
9
|
ESE
9
|
ENE
9
|
NE
9
|
ENE
9
|
ENE
10
|
ENE
11
|
E
11
|
| Wind gust (mph) |
25
|
24
|
23
|
22
|
20
|
19
|
18
|
17
|
17
|
17
|
17
|
16
|
15
|
15
|
14
|
14
|
13
|
13
|
13
|
12
|
14
|
14
|
15
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
G
|
VG
|
G
|
VG
|
G
|
VG
|
G
|
G
|
M
|
M
|
M
|
| Humidity |
73%
|
75%
|
78%
|
81%
|
83%
|
86%
|
90%
|
91%
|
91%
|
90%
|
88%
|
85%
|
83%
|
79%
|
76%
|
74%
|
73%
|
76%
|
81%
|
86%
|
89%
|
86%
|
88%
|
89%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Thursday (27 August 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%
|
10%
|
10%
|
10%
|
40%
|
50%
|
60%
|
70%
|
80%
|
80%
|
80%
|
70%
|
70%
|
70%
|
60%
|
60%
|
50%
|
50%
|
50%
|
50%
|
40%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
11°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
| Wind direction and speed (mph) |
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
10
|
E
10
|
ESE
9
|
SSE
9
|
SE
9
|
SSE
10
|
SW
11
|
WSW
11
|
SW
11
|
SW
10
|
SW
9
|
SW
10
|
SW
11
|
| Wind gust (mph) |
15
|
15
|
15
|
16
|
16
|
16
|
17
|
17
|
16
|
16
|
16
|
16
|
15
|
16
|
16
|
16
|
16
|
15
|
14
|
14
|
13
|
12
|
13
|
15
|
| Visibility (description) |
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
| Humidity |
89%
|
90%
|
92%
|
92%
|
93%
|
94%
|
94%
|
94%
|
93%
|
92%
|
91%
|
91%
|
92%
|
92%
|
92%
|
91%
|
91%
|
90%
|
93%
|
93%
|
95%
|
96%
|
97%
|
97%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Friday (28 August 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 |
40%
|
50%
|
50%
|
60%
|
60%
|
70%
|
70%
|
80%
|
80%
|
70%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
8°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SW
11
|
SW
10
|
SW
11
|
SW
11
|
WSW
11
|
WSW
11
|
W
11
|
W
10
|
W
11
|
W
13
|
W
11
|
W
13
|
WNW
14
|
WNW
14
|
WNW
14
|
W
15
|
WNW
14
|
WNW
13
|
W
13
|
W
13
|
W
13
|
W
12
|
WSW
11
|
WSW
13
|
| Wind gust (mph) |
15
|
15
|
15
|
16
|
16
|
18
|
18
|
17
|
19
|
20
|
21
|
22
|
23
|
23
|
24
|
22
|
22
|
20
|
19
|
18
|
18
|
18
|
17
|
17
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
97%
|
97%
|
98%
|
98%
|
98%
|
98%
|
98%
|
99%
|
98%
|
98%
|
98%
|
98%
|
97%
|
96%
|
95%
|
92%
|
92%
|
92%
|
93%
|
94%
|
96%
|
97%
|
98%
|
98%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 4 | 5 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Saturday (29 August 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%
|
20%
|
20%
|
30%
|
30%
|
40%
|
50%
|
50%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
| Wind direction and speed (mph) |
WSW
13
|
WSW
13
|
WSW
11
|
WSW
11
|
WSW
11
|
SW
11
|
SW
11
|
SW
12
|
SW
11
|
SSW
11
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
14
|
SW
13
|
SW
13
|
SW
14
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
| Wind gust (mph) |
17
|
18
|
16
|
17
|
18
|
17
|
18
|
18
|
19
|
20
|
20
|
20
|
22
|
23
|
23
|
23
|
22
|
22
|
22
|
22
|
22
|
22
|
21
|
22
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
VP
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
96%
|
94%
|
95%
|
95%
|
94%
|
95%
|
93%
|
92%
|
92%
|
91%
|
91%
|
91%
|
93%
|
94%
|
94%
|
95%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Sunday (30 August 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 |
50%
|
60%
|
60%
|
70%
|
80%
|
80%
|
70%
|
70%
|
70%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
9°
|
10°
|
12°
|
11°
|
10°
|
9°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
6°
|
7°
|
8°
|
8°
|
7°
|
6°
|
| Wind direction and speed (mph) |
SW
13
|
SW
13
|
SW
13
|
SW
14
|
SW
15
|
SW
18
|
SW
17
|
SW
16
|
SW
16
|
| Wind gust (mph) |
23
|
23
|
23
|
27
|
31
|
32
|
31
|
28
|
27
|
| Visibility (description) |
VP
|
VP
|
P
|
P
|
P
|
M
|
P
|
P
|
P
|
| Humidity |
95%
|
95%
|
95%
|
95%
|
91%
|
84%
|
84%
|
87%
|
92%
|
| UV | - | - | - | 1 | 3 | 5 | 2 | 1 | - |
Monday (31 August 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
70%
|
60%
|
60%
|
60%
|
50%
|
40%
|
30%
|
| Temperature (°C) |
9°
|
8°
|
8°
|
9°
|
10°
|
10°
|
10°
|
8°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
5°
|
6°
|
7°
|
6°
|
5°
|
| Wind direction and speed (mph) |
WSW
10
|
W
10
|
W
11
|
W
14
|
W
17
|
W
16
|
W
16
|
W
13
|
| Wind gust (mph) |
26
|
27
|
28
|
30
|
31
|
29
|
25
|
22
|
| Visibility (description) |
P
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
| Humidity |
94%
|
94%
|
93%
|
86%
|
79%
|
81%
|
83%
|
88%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
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Wales weather forecast
Headline:
Turning warmer but a thundery breakdown later.
Today:
Staying mostly dry, with spells of warm sunshine. The chance of a few showers drifting in from the south through the day, mainly effecting the south and the southwest. Turning humid in the south later. Maximum temperature 26 °C.
Tonight:
A mostly dry and clear start the evening with rain moving into the south. Turning showery and possibly heavy in places as cloud lowers. Slightly warmer than previous nights. Minimum temperature 11 °C.
Wednesday:
Showers drift northwards through the morning, turning drier for a time in the afternoon. Some more isolated showers may return midafternoon. Warmer than Tuesday. Maximum temperature 27 °C.
Outlook for Thursday to Saturday:
Changeable weather with spells of heavy rain, some thunderstorms and strong winds. Brighter intervals and scattered showers at times. Temperatures mostly near normal, feeling warm and humid in places.
Updated: