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Wind and rain marking a change in the UK weather
Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.
Read moreCwmystradllyn (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
7 day forecast for Cwmystradllyn
Today (6 June 2025)
| Time |
23:00
|
|---|---|
| Weather symbols |  |
| Chance of precipitation |
70%
|
| Temperature |
10°
|
| Feels like temperature (°C) |
9°
|
| Wind direction and speed |
WSW
4
|
| Wind gust (mph) |
10
|
| Visibility |
E
|
| Humidity |
93%
|
| UV | - |
Saturday (7 June 2025)
| 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%
|
70%
|
90%
|
≥95%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
80%
|
80%
|
70%
|
70%
|
60%
|
60%
|
50%
|
40%
|
50%
|
50%
|
50%
|
40%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
9°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
10°
|
9°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
8°
|
| Wind direction and speed (mph) |
WSW
4
|
WSW
4
|
WSW
4
|
WSW
5
|
W
5
|
W
5
|
W
5
|
W
5
|
W
6
|
W
7
|
W
8
|
W
8
|
WNW
9
|
W
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
NW
9
|
NW
7
|
NW
6
|
NW
6
|
| Wind gust (mph) |
10
|
10
|
12
|
12
|
12
|
12
|
14
|
18
|
19
|
21
|
22
|
23
|
23
|
24
|
24
|
26
|
27
|
27
|
26
|
24
|
21
|
18
|
16
|
15
|
| Visibility (description) |
E
|
VG
|
G
|
M
|
M
|
VG
|
G
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
94%
|
95%
|
96%
|
96%
|
96%
|
96%
|
96%
|
94%
|
93%
|
92%
|
88%
|
87%
|
81%
|
77%
|
75%
|
75%
|
75%
|
79%
|
81%
|
82%
|
82%
|
84%
|
85%
|
86%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 | 1 | 1 | 1 | - | - |
Sunday (8 June 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
|
|
|
| Chance of precipitation |
30%
|
50%
|
30%
|
30%
|
40%
|
50%
|
40%
|
30%
|
10%
|
| Temperature (°C) |
9°
|
9°
|
8°
|
9°
|
12°
|
14°
|
14°
|
14°
|
12°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
8°
|
10°
|
12°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NW
6
|
NW
6
|
WNW
6
|
W
6
|
W
9
|
W
10
|
WSW
9
|
WSW
8
|
W
5
|
| Wind gust (mph) |
14
|
15
|
17
|
26
|
30
|
31
|
29
|
23
|
14
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
85%
|
84%
|
84%
|
82%
|
81%
|
66%
|
71%
|
75%
|
87%
|
| UV | - | - | 1 | 1 | 3 | 6 | 3 | 1 | - |
Monday (9 June 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
10°
|
9°
|
10°
|
13°
|
14°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
9°
|
9°
|
10°
|
12°
|
13°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
WNW
5
|
WNW
4
|
W
3
|
WSW
6
|
SW
9
|
SW
9
|
SW
9
|
SW
8
|
| Wind gust (mph) |
13
|
9
|
17
|
24
|
25
|
23
|
22
|
21
|
| Visibility (description) |
E
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
90%
|
85%
|
73%
|
72%
|
73%
|
83%
|
95%
|
| UV | - | 1 | 1 | 4 | 5 | 3 | 1 | - |
Tuesday (10 June 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
40%
|
30%
|
30%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
14°
|
15°
|
16°
|
15°
|
13°
|
| Feels like temperature (°C) |
10°
|
11°
|
11°
|
13°
|
14°
|
15°
|
14°
|
12°
|
| Wind direction and speed (mph) |
SW
8
|
SW
8
|
SW
8
|
SW
9
|
SW
10
|
SW
10
|
SSW
9
|
SSW
7
|
| Wind gust (mph) |
22
|
20
|
25
|
26
|
26
|
22
|
19
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
VG
|
| Humidity |
98%
|
99%
|
99%
|
97%
|
93%
|
92%
|
96%
|
99%
|
| UV | - | 1 | 1 | 2 | 4 | 2 | 1 | - |
Wednesday (11 June 2025)
| 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%
|
20%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
16°
|
20°
|
21°
|
20°
|
17°
|
| Feels like temperature (°C) |
12°
|
11°
|
12°
|
16°
|
19°
|
20°
|
20°
|
17°
|
| Wind direction and speed (mph) |
SSW
7
|
SSW
7
|
S
6
|
S
7
|
S
8
|
S
7
|
S
6
|
S
5
|
| Wind gust (mph) |
15
|
12
|
14
|
19
|
20
|
18
|
14
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
98%
|
97%
|
92%
|
83%
|
71%
|
68%
|
73%
|
87%
|
| UV | - | 1 | 1 | 4 | 6 | 4 | 1 | - |
Thursday (12 June 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
50%
|
40%
|
50%
|
40%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
16°
|
18°
|
18°
|
16°
|
14°
|
| Feels like temperature (°C) |
15°
|
14°
|
13°
|
15°
|
16°
|
17°
|
15°
|
14°
|
| Wind direction and speed (mph) |
S
5
|
S
6
|
S
6
|
S
9
|
S
10
|
SSW
10
|
SSW
9
|
SSW
6
|
| Wind gust (mph) |
12
|
12
|
21
|
25
|
23
|
22
|
18
|
11
|
| Visibility (description) |
G
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
93%
|
92%
|
90%
|
85%
|
82%
|
87%
|
91%
|
| UV | - | 1 | 1 | 3 | 4 | 3 | 1 | - |
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Wales weather forecast
Headline:
Heavy showers and thunderstorms on Saturday, fewer showers on Sunday.
This Evening and Tonight:
Thickening cloud this evening with an increasing chance of showers. These initially scattered in nature but merging to give occasional longer spells of rain overnight. Heavy and thundery outbreaks are possible in a few places. Quite breezy at times. Minimum temperature 7 °C.
Saturday:
Largely cloudy and cool with heavy showers, these locally thundery and prolonged. Warm sunny spells developing by the afternoon but heavy showers and thunderstorms remain possible. Gusty winds at times. Maximum temperature 16 °C.
Outlook for Sunday to Tuesday:
Breezy on Sunday with sunny spells and scattered showers. Gradually turning warmer next week. Southern areas generally driest and brightest with northern regions often cloudier with occasional showers. Winds easing.
Updated: