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Heatwave conditions across much of the UK
Large swathes of the UK have met heatwave criteria as the widely hot, dry, and sunny weather continues today and into the weekend.
Read moreHarlech Castle (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
7 day forecast for Harlech Castle
Today (13 July 2025)
| Time |
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%
|
<5%
|
<5%
|
<5%
|
| Temperature |
22°
|
24°
|
25°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
24°
|
22°
|
21°
|
| Feels like temperature (°C) |
22°
|
23°
|
24°
|
25°
|
25°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
24°
|
22°
|
20°
|
| Wind direction and speed |
ENE
5
|
SSE
6
|
SSE
7
|
SE
7
|
SE
7
|
SE
7
|
SSE
6
|
SW
6
|
W
6
|
W
5
|
NNW
4
|
ESE
4
|
ESE
5
|
ESE
6
|
SSE
8
|
| Wind gust (mph) |
13
|
17
|
20
|
20
|
20
|
18
|
14
|
12
|
11
|
10
|
8
|
10
|
13
|
16
|
17
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
51%
|
41%
|
40%
|
40%
|
40%
|
40%
|
41%
|
41%
|
42%
|
49%
|
60%
|
61%
|
58%
|
64%
|
| UV | 3 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Monday (14 July 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 |
10%
|
20%
|
30%
|
40%
|
40%
|
40%
|
30%
|
20%
|
10%
|
10%
|
40%
|
60%
|
50%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
S
8
|
S
7
|
S
7
|
SSW
8
|
SSW
8
|
SW
9
|
SW
10
|
SW
10
|
SSW
12
|
SSW
13
|
SSW
14
|
SSW
15
|
SSW
16
|
SW
16
|
SW
17
|
SW
18
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
| Wind gust (mph) |
16
|
15
|
16
|
17
|
20
|
21
|
23
|
25
|
26
|
26
|
28
|
31
|
34
|
34
|
37
|
38
|
38
|
38
|
37
|
37
|
35
|
33
|
32
|
32
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
75%
|
80%
|
84%
|
87%
|
87%
|
87%
|
85%
|
80%
|
77%
|
72%
|
67%
|
68%
|
69%
|
64%
|
59%
|
57%
|
57%
|
56%
|
59%
|
62%
|
64%
|
65%
|
65%
|
66%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Tuesday (15 July 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 |
40%
|
70%
|
80%
|
80%
|
80%
|
80%
|
70%
|
40%
|
10%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
| Wind direction and speed (mph) |
SW
18
|
SW
18
|
SW
17
|
SW
17
|
SW
20
|
SW
19
|
SW
20
|
WSW
17
|
W
12
|
| Wind gust (mph) |
33
|
34
|
33
|
38
|
35
|
36
|
35
|
30
|
20
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
68%
|
71%
|
78%
|
81%
|
82%
|
83%
|
81%
|
83%
|
83%
|
| UV | - | - | - | 1 | 2 | 5 | 2 | 1 | - |
Wednesday (16 July 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%
|
<5%
|
10%
|
10%
|
20%
|
30%
|
30%
|
| Temperature (°C) |
14°
|
13°
|
14°
|
17°
|
18°
|
18°
|
18°
|
16°
|
| Feels like temperature (°C) |
13°
|
12°
|
14°
|
16°
|
17°
|
17°
|
17°
|
16°
|
| Wind direction and speed (mph) |
W
9
|
NW
5
|
NNW
4
|
WSW
6
|
WSW
8
|
SW
7
|
SSW
6
|
SE
5
|
| Wind gust (mph) |
16
|
9
|
12
|
16
|
17
|
14
|
11
|
9
|
| Visibility (description) |
E
|
E
|
VG
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
85%
|
90%
|
84%
|
68%
|
64%
|
64%
|
73%
|
88%
|
| UV | - | - | 1 | 4 | 7 | 4 | 1 | - |
Thursday (17 July 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%
|
50%
|
50%
|
50%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
15°
|
15°
|
16°
|
18°
|
19°
|
19°
|
19°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
15°
|
17°
|
18°
|
18°
|
18°
|
17°
|
| Wind direction and speed (mph) |
SSE
6
|
SE
7
|
SSE
6
|
SSW
8
|
SSW
10
|
SSW
10
|
SW
9
|
SSW
6
|
| Wind gust (mph) |
10
|
12
|
13
|
15
|
17
|
14
|
10
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
90%
|
89%
|
92%
|
85%
|
85%
|
86%
|
88%
|
95%
|
| UV | - | - | 1 | 3 | 3 | 3 | 1 | - |
Friday (18 July 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%
|
40%
|
40%
|
40%
|
30%
|
10%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
17°
|
18°
|
20°
|
20°
|
19°
|
17°
|
| Feels like temperature (°C) |
16°
|
16°
|
17°
|
18°
|
19°
|
20°
|
19°
|
16°
|
| Wind direction and speed (mph) |
S
6
|
S
5
|
SSW
5
|
SSW
6
|
SW
8
|
SW
8
|
SW
8
|
SW
7
|
| Wind gust (mph) |
6
|
5
|
8
|
12
|
14
|
12
|
8
|
8
|
| Visibility (description) |
M
|
M
|
M
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
97%
|
98%
|
95%
|
89%
|
82%
|
76%
|
79%
|
94%
|
| UV | - | - | 1 | 3 | 7 | 4 | 1 | - |
Saturday (19 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
30%
|
40%
|
40%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
16°
|
15°
|
17°
|
18°
|
20°
|
21°
|
21°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
17°
|
18°
|
20°
|
21°
|
20°
|
18°
|
| Wind direction and speed (mph) |
SSW
5
|
S
4
|
ESE
4
|
SSE
5
|
S
7
|
SW
8
|
SW
8
|
W
6
|
| Wind gust (mph) |
5
|
5
|
7
|
9
|
11
|
11
|
9
|
7
|
| Visibility (description) |
G
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
96%
|
97%
|
93%
|
84%
|
76%
|
74%
|
79%
|
95%
|
| UV | - | - | 1 | 3 | 6 | 4 | 1 | - |
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Wales weather forecast
Headline:
Turning fresher into the new week.
Today:
Temperatures a degree or two lower today, though still widely very warm with sunny spells and light winds. Fair weather cloud bubbling up through the afternoon with a few showers possible in the south later. Maximum temperature 30 °C.
Tonight:
Increasingly cloudy overnight with showers spreading northeastwards, these perhaps heavy and thundery at times. Still feeling rather warm and muggy, especially in towns and cities. Minimum temperature 15 °C.
Monday:
A cloudier start to the new week, with bands of heavy and perhaps thundery showers moving northeastwards. Some drier and brighter interludes possible. Increasingly breezy and feeling fresher. Maximum temperature 24 °C.
Outlook for Tuesday to Thursday:
Remaining rather changeable with spells of rain or showers, these sometimes turning heavy and thundery. Temperatures briefly dropping back closer to the seasonal average by mid-week.
Updated:
UK long range weather forecast
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