Harlech Castle (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 12° Celsius;
7 day forecast for Harlech Castle
Today (30 June 2025)
| Time |
23:00
|
|---|---|
| Weather symbols |  |
| Chance of precipitation |
<5%
|
| Temperature |
17°
|
| Feels like temperature (°C) |
17°
|
| Wind direction and speed |
SSW
5
|
| Wind gust (mph) |
12
|
| Visibility |
G
|
| Humidity |
90%
|
| UV | - |
Tuesday (1 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 |
<5%
|
10%
|
<5%
|
10%
|
20%
|
30%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
14°
|
13°
|
| Feels like temperature (°C) |
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
14°
|
13°
|
| Wind direction and speed (mph) |
SW
5
|
SW
5
|
SW
5
|
SSW
4
|
SSW
4
|
SSW
4
|
SSW
4
|
SW
4
|
WSW
4
|
WSW
4
|
SW
5
|
SW
5
|
WSW
6
|
WSW
7
|
W
7
|
WNW
7
|
NW
7
|
NNW
8
|
NNW
8
|
N
8
|
N
7
|
N
5
|
N
4
|
N
4
|
| Wind gust (mph) |
12
|
12
|
10
|
9
|
9
|
9
|
8
|
8
|
8
|
10
|
12
|
13
|
14
|
15
|
15
|
17
|
18
|
20
|
19
|
19
|
16
|
12
|
9
|
9
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
| Humidity |
92%
|
93%
|
94%
|
95%
|
96%
|
95%
|
94%
|
93%
|
92%
|
92%
|
90%
|
87%
|
86%
|
84%
|
80%
|
80%
|
78%
|
76%
|
75%
|
72%
|
73%
|
75%
|
81%
|
81%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 5 | 5 | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | - | - |
Wednesday (2 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 |
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
20%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
13°
|
16°
|
18°
|
19°
|
18°
|
13°
|
| Feels like temperature (°C) |
12°
|
11°
|
10°
|
13°
|
15°
|
16°
|
16°
|
16°
|
13°
|
| Wind direction and speed (mph) |
N
4
|
NNE
4
|
NNE
4
|
NNE
3
|
WNW
6
|
WNW
9
|
WNW
9
|
WNW
8
|
N
4
|
| Wind gust (mph) |
9
|
8
|
7
|
11
|
20
|
23
|
21
|
17
|
9
|
| Visibility (description) |
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
84%
|
85%
|
85%
|
74%
|
56%
|
53%
|
42%
|
50%
|
75%
|
| UV | - | - | 1 | 1 | 5 | 7 | 5 | 1 | - |
Thursday (3 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
12°
|
14°
|
17°
|
18°
|
18°
|
17°
|
14°
|
| Feels like temperature (°C) |
12°
|
11°
|
14°
|
16°
|
16°
|
16°
|
16°
|
14°
|
| Wind direction and speed (mph) |
ESE
4
|
E
4
|
NE
3
|
WSW
6
|
WSW
9
|
WSW
9
|
WSW
8
|
SSW
5
|
| Wind gust (mph) |
8
|
7
|
12
|
19
|
21
|
18
|
15
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
77%
|
80%
|
73%
|
63%
|
55%
|
53%
|
62%
|
78%
|
| UV | - | 1 | 1 | 5 | 7 | 5 | 1 | - |
Friday (4 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%
|
40%
|
| Temperature (°C) |
13°
|
12°
|
14°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
12°
|
12°
|
14°
|
15°
|
16°
|
15°
|
15°
|
14°
|
| Wind direction and speed (mph) |
SE
5
|
SSE
5
|
SSE
6
|
SW
10
|
SW
12
|
SW
13
|
SW
13
|
SSW
12
|
| Wind gust (mph) |
10
|
10
|
14
|
23
|
25
|
24
|
23
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
82%
|
84%
|
80%
|
70%
|
64%
|
66%
|
73%
|
86%
|
| UV | - | 1 | 1 | 5 | 7 | 4 | 1 | - |
Saturday (5 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
 |
 |
| Chance of precipitation |
50%
|
60%
|
70%
|
70%
|
60%
|
50%
|
50%
|
50%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
16°
|
17°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
13°
|
14°
|
15°
|
15°
|
16°
|
16°
|
15°
|
| Wind direction and speed (mph) |
SSW
12
|
SW
12
|
SW
12
|
SW
13
|
SW
14
|
SW
13
|
SW
11
|
WSW
9
|
| Wind gust (mph) |
22
|
24
|
25
|
23
|
21
|
20
|
15
|
10
|
| Visibility (description) |
VG
|
VG
|
G
|
M
|
M
|
M
|
M
|
P
|
| Humidity |
90%
|
94%
|
95%
|
94%
|
95%
|
96%
|
98%
|
99%
|
| UV | - | - | 1 | 2 | 3 | 3 | 1 | - |
Sunday (6 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
60%
|
50%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
16°
|
17°
|
18°
|
17°
|
15°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
14°
|
| Wind direction and speed (mph) |
WSW
7
|
W
7
|
W
7
|
W
9
|
W
10
|
W
11
|
W
10
|
WNW
8
|
| Wind gust (mph) |
8
|
9
|
11
|
15
|
19
|
18
|
14
|
9
|
| Visibility (description) |
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
| Humidity |
98%
|
97%
|
95%
|
93%
|
86%
|
79%
|
81%
|
91%
|
| UV | - | - | 1 | 3 | 5 | 4 | 1 | - |
Tooltip header
UK video forecast
Harlech Castle weather map
View the weather with our interactive map
Loading map...
Wales weather forecast
Headline:
Cloudy with hill fog tonight. Some warm sunshine tomorrow.
This Evening and Tonight:
It will be a very warm and sunny end to the day in the east. More cloud is likely further west, and although staying dry overnight most areas will turn fairly cloudy. Some fog patches developing. Staying warm, and humid. Minimum temperature 16 °C.
Tuesday:
The north and west of Wales will see a rather cloudy day with patches of hill fog and some drizzle. Elsewhere skies will brighten to reveal some warm sunshine. Maximum temperature 23 °C.
Outlook for Wednesday to Friday:
Sunny spells and perhaps the odd shower on Wednesday. Mostly fine thereafter, though feeling much fresher. Damp and breezy weather arriving from the west on Friday night.
Updated:
UK long range weather forecast
More from the Met Office
-
CAUSES OF CLIMATE CHANGE
Causes of climate change
Read -
WEATHER
What is the difference between rain and showers?
Read -
WEATHER
Satellite image of the month - 2017
Read -
WEATHER
Hurricane Sandy
Read -
WEATHER
Ottery St Mary Hailstorm October 2008
Read -
SEASONAL ADVICE
5 tips for staying safe in strong wind
Read