Blaenau Ffestiniog (Gwynedd) weather

Forecast days

Yellow weather warning.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

7 day forecast for Blaenau Ffestiniog

Today (20 July 2025)
Time
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Light shower day Light shower day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
80%
60%
40%
30%
20%
20%
Temperature
17°
17°
16°
16°
15°
14°
Feels like temperature (°C)
17°
17°
16°
16°
15°
15°
Wind direction and speed
WSW
5
WSW
5
WSW
5
W
4
W
3
W
3
Wind gust (mph)
13
13
11
8
6
6
Visibility
VG
VG
VG
VG
VG
VG
Humidity
88%
90%
90%
92%
93%
93%
UV 1 1 1 1 - -
Monday (21 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light rain Light rain Light rain Light rain Light rain Heavy rain Light rain Heavy rain Heavy rain
Chance of precipitation
20%
20%
30%
30%
30%
40%
40%
50%
50%
50%
70%
70%
70%
70%
80%
70%
70%
80%
70%
70%
80%
80%
90%
90%
Temperature (°C)
14°
14°
14°
14°
13°
13°
13°
14°
15°
15°
16°
16°
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
15°
Feels like temperature (°C)
14°
14°
14°
14°
13°
13°
13°
14°
14°
15°
16°
16°
16°
16°
16°
16°
16°
17°
16°
16°
16°
16°
15°
15°
Wind direction and speed (mph)
WSW
3
WSW
3
WSW
3
WSW
3
WSW
3
WSW
3
SW
4
SW
4
SW
5
SW
6
SW
6
SW
7
SW
7
SW
7
SW
8
WSW
8
WSW
7
WSW
6
W
6
W
6
W
6
W
6
W
6
W
6
Wind gust (mph)
5
5
5
6
7
8
9
12
13
14
15
15
18
19
20
20
18
17
17
17
16
14
14
16
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
E
E
E
VG
VG
VG
VG
VG
M
M
M
M
Humidity
93%
93%
93%
94%
93%
94%
94%
94%
94%
93%
93%
92%
91%
90%
88%
92%
93%
93%
95%
97%
98%
99%
99%
99%
UV - - - - - 1 1 1 1 2 3 4 6 4 5 4 2 2 1 1 1 1 - -
Tuesday (22 July 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Heavy rain Light rain Light rain Light rain Overcast Overcast Cloudy Cloudy Cloudy
Chance of precipitation
90%
≥95%
90%
70%
50%
50%
40%
30%
30%
Temperature (°C)
15°
15°
14°
13°
15°
16°
17°
16°
15°
Feels like temperature (°C)
14°
14°
13°
12°
14°
15°
16°
16°
15°
Wind direction and speed (mph)
WNW
6
WNW
7
WNW
8
WNW
8
W
8
W
8
W
7
WSW
6
WSW
4
Wind gust (mph)
17
22
23
22
23
22
21
17
10
Visibility (description)
M
M
P
M
VG
VG
E
VG
VG
Humidity
99%
99%
99%
99%
93%
83%
80%
84%
92%
UV - - - 1 2 6 3 1 -
Wednesday (23 July 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Overcast
Chance of precipitation
30%
30%
30%
40%
30%
30%
30%
30%
Temperature (°C)
14°
13°
14°
16°
17°
17°
17°
15°
Feels like temperature (°C)
14°
13°
14°
15°
16°
16°
16°
15°
Wind direction and speed (mph)
W
3
W
4
NW
4
NW
6
WNW
8
WNW
8
WNW
6
WNW
4
Wind gust (mph)
7
8
16
23
24
23
17
9
Visibility (description)
VG
VG
VG
VG
E
E
VG
VG
Humidity
94%
96%
92%
83%
74%
74%
81%
93%
UV - - 1 4 6 4 1 -
Thursday (24 July 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Overcast Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
Chance of precipitation
30%
20%
20%
20%
20%
10%
<5%
10%
Temperature (°C)
14°
13°
14°
16°
18°
18°
17°
14°
Feels like temperature (°C)
14°
13°
14°
16°
17°
17°
17°
14°
Wind direction and speed (mph)
WNW
4
WNW
4
WNW
4
WNW
6
WNW
7
W
7
W
6
WSW
4
Wind gust (mph)
9
9
16
18
20
18
14
7
Visibility (description)
VG
VG
VG
VG
VG
E
VG
VG
Humidity
95%
95%
94%
85%
78%
75%
77%
92%
UV - - 1 4 5 3 1 -
Friday (25 July 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Cloudy Cloudy Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
Chance of precipitation
20%
20%
20%
20%
20%
10%
10%
10%
Temperature (°C)
14°
13°
14°
17°
18°
18°
18°
15°
Feels like temperature (°C)
13°
13°
15°
17°
18°
18°
18°
15°
Wind direction and speed (mph)
SW
4
WSW
3
WSW
3
WSW
4
WSW
6
W
5
W
4
WSW
3
Wind gust (mph)
6
6
9
13
15
12
10
5
Visibility (description)
G
M
M
G
G
G
G
G
Humidity
96%
97%
96%
89%
82%
77%
78%
92%
UV - - 1 2 5 4 1 -
Saturday (26 July 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
Chance of precipitation
10%
10%
20%
20%
20%
10%
10%
20%
Temperature (°C)
13°
13°
14°
16°
17°
18°
17°
15°
Feels like temperature (°C)
14°
13°
14°
16°
17°
17°
17°
15°
Wind direction and speed (mph)
WSW
3
WSW
3
WSW
4
W
5
WSW
7
W
6
W
5
WSW
4
Wind gust (mph)
4
5
11
15
15
14
12
6
Visibility (description)
G
G
G
G
G
G
VG
G
Humidity
96%
95%
92%
81%
72%
70%
75%
92%
UV - - 1 4 7 4 1 -

UK video forecast

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Wales weather forecast

Headline:

Rain and heavy showers on Monday.

This Evening and Tonight:

Late sunny spells to end Sunday as daytime showers ease. Staying mostly dry overnight with clear spells, and perhaps a few mist patches. Mild, but fresher than last night. Minimum temperature 10 °C.

Monday:

Bright and dry to begin but showers and longer rain spells forming as the day progresses, though fewer than Sunday. Feeling pleasant in any sunshine but with a strengthening breeze. Maximum temperature 21 °C.

Outlook for Tuesday to Thursday:

Staying changeable with drier and brighter periods interspersed by showers and longer spells of rain. More widely dry on Thursday. Warm in any sunshine that does develop, though often breezy.

Updated:

UK long range weather forecast

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