Harlech Castle (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 19° Celsius;
Maximum daytime temperature: 19° Celsius;
8 day forecast for Harlech Castle
Today (15 May 2025)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
9°
|
11°
|
13°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
17°
|
15°
|
14°
|
13°
|
| Feels like temperature (°C) |
8°
|
10°
|
12°
|
13°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
16°
|
16°
|
15°
|
13°
|
12°
|
11°
|
| Wind direction and speed |
NNE
5
|
NNE
5
|
NNE
6
|
NNE
7
|
NE
8
|
NE
9
|
NNE
9
|
NNE
10
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
11
|
NE
11
|
NE
9
|
NE
8
|
NE
8
|
NE
8
|
| Wind gust (mph) |
11
|
14
|
15
|
17
|
18
|
18
|
19
|
21
|
21
|
21
|
20
|
20
|
21
|
19
|
18
|
16
|
16
|
16
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
57%
|
48%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
42%
|
48%
|
54%
|
56%
|
58%
|
62%
|
| UV | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Friday (16 May 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 |
<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) |
12°
|
11°
|
10°
|
9°
|
8°
|
8°
|
8°
|
9°
|
12°
|
13°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
21°
|
20°
|
19°
|
17°
|
15°
|
14°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
8°
|
7°
|
7°
|
7°
|
9°
|
11°
|
13°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
16°
|
15°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NE
8
|
NE
7
|
NE
6
|
NE
5
|
NE
5
|
NE
4
|
NE
4
|
NE
4
|
NE
3
|
NNE
3
|
N
4
|
WNW
5
|
W
6
|
W
6
|
W
7
|
WNW
8
|
N
8
|
NNE
9
|
NNE
10
|
NE
11
|
NE
10
|
NE
10
|
NE
9
|
NE
9
|
| Wind gust (mph) |
17
|
16
|
13
|
11
|
10
|
9
|
8
|
7
|
7
|
8
|
11
|
14
|
16
|
18
|
19
|
20
|
19
|
20
|
20
|
19
|
18
|
17
|
16
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
69%
|
73%
|
76%
|
79%
|
81%
|
79%
|
72%
|
64%
|
57%
|
53%
|
48%
|
45%
|
42%
|
40%
|
39%
|
38%
|
39%
|
40%
|
40%
|
44%
|
43%
|
43%
|
49%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Saturday (17 May 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
12°
|
10°
|
10°
|
15°
|
19°
|
20°
|
19°
|
15°
|
| Feels like temperature (°C) |
11°
|
10°
|
8°
|
9°
|
14°
|
16°
|
18°
|
17°
|
13°
|
| Wind direction and speed (mph) |
NE
8
|
NE
7
|
NE
6
|
NE
5
|
NE
7
|
NE
8
|
WNW
8
|
NNW
8
|
ENE
10
|
| Wind gust (mph) |
14
|
14
|
13
|
17
|
18
|
19
|
18
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
53%
|
55%
|
63%
|
66%
|
54%
|
43%
|
44%
|
51%
|
56%
|
| UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
Sunday (18 May 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
11°
|
12°
|
17°
|
20°
|
21°
|
19°
|
15°
|
| Feels like temperature (°C) |
11°
|
10°
|
12°
|
16°
|
17°
|
18°
|
17°
|
13°
|
| Wind direction and speed (mph) |
ENE
9
|
NE
5
|
NNE
3
|
NNE
6
|
NNW
8
|
N
9
|
NNE
8
|
NE
8
|
| Wind gust (mph) |
13
|
11
|
12
|
17
|
19
|
19
|
16
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
57%
|
63%
|
61%
|
42%
|
38%
|
38%
|
41%
|
53%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Monday (19 May 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%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
11°
|
12°
|
17°
|
19°
|
20°
|
18°
|
13°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
15°
|
17°
|
17°
|
16°
|
12°
|
| Wind direction and speed (mph) |
NE
8
|
NE
6
|
NE
5
|
NE
7
|
NE
9
|
NE
10
|
ENE
9
|
ENE
6
|
| Wind gust (mph) |
13
|
11
|
13
|
19
|
21
|
19
|
13
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
64%
|
63%
|
47%
|
41%
|
40%
|
44%
|
75%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tuesday (20 May 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
8°
|
12°
|
16°
|
19°
|
20°
|
18°
|
12°
|
| Feels like temperature (°C) |
9°
|
7°
|
11°
|
15°
|
17°
|
17°
|
16°
|
11°
|
| Wind direction and speed (mph) |
ENE
6
|
NE
4
|
NE
4
|
ENE
7
|
ENE
8
|
NNE
8
|
NNE
8
|
NNE
4
|
| Wind gust (mph) |
7
|
6
|
10
|
15
|
15
|
13
|
10
|
5
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
91%
|
74%
|
54%
|
42%
|
41%
|
44%
|
87%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Wednesday (21 May 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
8°
|
12°
|
17°
|
19°
|
20°
|
18°
|
11°
|
| Feels like temperature (°C) |
9°
|
7°
|
12°
|
16°
|
17°
|
17°
|
16°
|
11°
|
| Wind direction and speed (mph) |
NE
3
|
NE
3
|
NE
3
|
NW
5
|
WNW
8
|
WNW
10
|
NW
8
|
WNW
4
|
| Wind gust (mph) |
4
|
4
|
8
|
15
|
18
|
19
|
12
|
3
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
91%
|
93%
|
75%
|
51%
|
42%
|
41%
|
44%
|
91%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Thursday (22 May 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%
|
10%
|
20%
|
30%
|
| Temperature (°C) |
9°
|
8°
|
12°
|
16°
|
18°
|
18°
|
16°
|
12°
|
| Feels like temperature (°C) |
9°
|
8°
|
12°
|
15°
|
16°
|
16°
|
15°
|
11°
|
| Wind direction and speed (mph) |
N
3
|
E
3
|
E
4
|
WSW
7
|
W
9
|
W
10
|
W
9
|
SW
7
|
| Wind gust (mph) |
3
|
3
|
9
|
16
|
18
|
18
|
13
|
6
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
93%
|
95%
|
78%
|
65%
|
55%
|
55%
|
61%
|
89%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
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Wales weather forecast
Headline:
Remaining settled with plenty of warm sunshine.
Today:
Widely settled with largely unbroken sunshine after any early morning mist and low cloud has lifted and cleared. Feeling warm, especially in sheltered spots with gentle east to northeasterly winds, and remaining dry for all. Maximum temperature 21 °C.
Tonight:
A fine evening with plenty of late sunshine. Remaining settled overnight though some mist and low cloud developing in places. Dry with some patchy frost in the north. Minimum temperature 5 °C.
Friday:
Early cloud lifting and clearing to leave another widely dry and fine day. Plenty of warm sunshine across the country, with light winds. Maximum temperature 22 °C.
Outlook for Saturday to Monday:
Settled this weekend and into next week. Dry with plenty of sunshine by day once any early low cloud clears. Temperatures staying above average, but with cooler nights.
Updated:
UK long range weather forecast
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