News
Heatwave to give way to fresher, more changeable conditions
The widespread heatwave will gradually reduce in intensity in the coming days, with a transition to more unsettled and cooler weather by the weekend for many.
Read moreFan Brycheiniog (Powys) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
Heavy rain.
Sunrise:
Sunset:
7 day forecast for Fan Brycheiniog
Today (1 June 2026)
| Time |
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 |
≥95%
|
≥95%
|
70%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
| Temperature |
9°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
6°
|
6°
|
7°
|
7°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
| Wind direction and speed |
SSW
21
|
S
21
|
SSW
21
|
SSW
21
|
SSW
20
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
18
|
SSW
18
|
SW
17
|
SSW
16
|
SW
15
|
SW
15
|
| Wind gust (mph) |
21
|
22
|
22
|
23
|
23
|
23
|
23
|
23
|
22
|
22
|
21
|
20
|
19
|
18
|
17
|
17
|
| Visibility |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
| UV | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
Tuesday (2 June 2026)
| 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 |
80%
|
90%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
90%
|
80%
|
90%
|
90%
|
90%
|
90%
|
90%
|
80%
|
60%
|
50%
|
60%
|
60%
|
50%
|
50%
|
50%
|
50%
|
30%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
| Wind direction and speed (mph) |
SW
16
|
WSW
15
|
WSW
15
|
WSW
15
|
WSW
15
|
WSW
14
|
WSW
14
|
WSW
14
|
WSW
14
|
W
14
|
W
14
|
W
15
|
W
16
|
W
16
|
W
17
|
W
18
|
W
18
|
W
18
|
W
18
|
WNW
18
|
W
18
|
W
17
|
W
17
|
W
17
|
| Wind gust (mph) |
17
|
17
|
17
|
15
|
15
|
15
|
17
|
18
|
18
|
19
|
21
|
23
|
23
|
24
|
25
|
25
|
25
|
25
|
24
|
22
|
20
|
18
|
18
|
18
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
P
|
P
|
VP
|
VP
|
VP
|
| Humidity |
99%
|
99%
|
99%
|
99%
|
98%
|
98%
|
98%
|
97%
|
96%
|
94%
|
93%
|
92%
|
91%
|
88%
|
90%
|
88%
|
83%
|
83%
|
86%
|
90%
|
92%
|
94%
|
96%
|
96%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 4 | 5 | 6 | 5 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Wednesday (3 June 2026)
| 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%
|
<5%
|
<5%
|
10%
|
30%
|
50%
|
50%
|
70%
|
80%
|
80%
|
≥95%
|
90%
|
80%
|
70%
|
60%
|
60%
|
50%
|
60%
|
70%
|
80%
|
80%
|
80%
|
90%
|
90%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
4°
|
| Wind direction and speed (mph) |
W
16
|
W
16
|
W
16
|
WSW
16
|
WSW
17
|
WSW
17
|
SW
19
|
SW
20
|
SSW
22
|
SSW
24
|
SSW
25
|
SSW
26
|
SSW
26
|
SW
28
|
SW
28
|
SW
28
|
SW
28
|
SW
27
|
SW
26
|
SW
27
|
SW
28
|
SW
28
|
SW
28
|
SW
28
|
| Wind gust (mph) |
18
|
16
|
16
|
16
|
18
|
19
|
21
|
24
|
25
|
27
|
29
|
31
|
34
|
35
|
36
|
36
|
35
|
34
|
33
|
33
|
32
|
31
|
32
|
31
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
96%
|
96%
|
96%
|
96%
|
96%
|
97%
|
96%
|
96%
|
96%
|
98%
|
99%
|
99%
|
99%
|
98%
|
94%
|
92%
|
92%
|
93%
|
94%
|
94%
|
96%
|
96%
|
97%
|
97%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | - | - |
Thursday (4 June 2026)
| 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 |
90%
|
≥95%
|
90%
|
≥95%
|
≥95%
|
90%
|
80%
|
80%
|
70%
|
80%
|
80%
|
80%
|
80%
|
70%
|
70%
|
70%
|
60%
|
70%
|
70%
|
70%
|
70%
|
60%
|
70%
|
70%
|
| Temperature (°C) |
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
| Feels like temperature (°C) |
4°
|
4°
|
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
3°
|
3°
|
| Wind direction and speed (mph) |
SW
28
|
SW
28
|
SW
28
|
WSW
28
|
WSW
27
|
WSW
27
|
WSW
26
|
WSW
25
|
WSW
25
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
WSW
24
|
W
23
|
W
23
|
W
22
|
W
21
|
W
21
|
W
20
|
| Wind gust (mph) |
31
|
32
|
32
|
31
|
31
|
30
|
30
|
31
|
31
|
31
|
31
|
31
|
32
|
32
|
32
|
32
|
32
|
31
|
31
|
29
|
27
|
25
|
24
|
22
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
96%
|
95%
|
95%
|
93%
|
94%
|
92%
|
90%
|
87%
|
85%
|
87%
|
86%
|
86%
|
88%
|
90%
|
92%
|
93%
|
93%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 4 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Friday (5 June 2026)
| 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%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
6°
|
6°
|
| Feels like temperature (°C) |
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
3°
|
3°
|
4°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
2°
|
| Wind direction and speed (mph) |
W
20
|
W
19
|
W
19
|
W
19
|
W
18
|
W
17
|
W
17
|
W
17
|
WSW
17
|
WSW
17
|
WSW
17
|
WSW
17
|
WSW
17
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
17
|
WSW
18
|
SW
16
|
SW
14
|
SW
12
|
SW
12
|
| Wind gust (mph) |
23
|
21
|
21
|
20
|
19
|
18
|
19
|
21
|
23
|
24
|
24
|
25
|
27
|
27
|
27
|
27
|
26
|
25
|
24
|
22
|
18
|
16
|
15
|
13
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
P
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
M
|
M
|
M
|
P
|
| Humidity |
93%
|
92%
|
93%
|
93%
|
93%
|
93%
|
93%
|
90%
|
89%
|
83%
|
77%
|
73%
|
73%
|
72%
|
67%
|
66%
|
68%
|
70%
|
72%
|
74%
|
78%
|
83%
|
88%
|
91%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 3 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Saturday (6 June 2026)
| 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%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
6°
|
5°
|
5°
|
6°
|
9°
|
11°
|
11°
|
10°
|
7°
|
| Feels like temperature (°C) |
2°
|
2°
|
1°
|
3°
|
6°
|
7°
|
7°
|
6°
|
3°
|
| Wind direction and speed (mph) |
SW
11
|
SW
12
|
SW
10
|
SW
11
|
SSW
15
|
SW
18
|
SW
21
|
SW
19
|
SW
15
|
| Wind gust (mph) |
13
|
14
|
14
|
22
|
26
|
29
|
27
|
24
|
19
|
| Visibility (description) |
P
|
VP
|
VP
|
VP
|
VP
|
M
|
M
|
P
|
VP
|
| Humidity |
92%
|
93%
|
95%
|
92%
|
77%
|
70%
|
68%
|
77%
|
89%
|
| UV | - | - | 1 | 1 | 4 | 4 | 3 | 1 | - |
Sunday (7 June 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
| Temperature (°C) |
6°
|
6°
|
7°
|
10°
|
12°
|
12°
|
11°
|
8°
|
| Feels like temperature (°C) |
2°
|
3°
|
4°
|
7°
|
8°
|
9°
|
8°
|
5°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
10
|
SSW
11
|
SW
16
|
SW
18
|
WSW
20
|
WSW
16
|
SW
11
|
| Wind gust (mph) |
16
|
16
|
23
|
27
|
27
|
25
|
20
|
14
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
P
|
M
|
P
|
VP
|
| Humidity |
93%
|
95%
|
92%
|
82%
|
67%
|
64%
|
73%
|
91%
|
| UV | - | 1 | 1 | 3 | 5 | 4 | 1 | - |
Tooltip header
Fan Brycheiniog weather map
View the weather with our interactive map
Loading map...
Wales weather forecast
Headline:
Turning more unsettled this week.
Today:
Heavy rain will quickly spread across the region through the morning, persisting through much of the day. Rain will be heavy at times with a chance of thundery downpours in the afternoon. Windy at the coast. Maximum temperature 17 °C.
Tonight:
Rain will continue through the evening and first part of the nigh with heavy downpours at times. Rain will gradually ease and eventually clear towards the end of the night. Minimum temperature 10 °C.
Tuesday:
A drier start for many on Tuesday with some bright spells. However, heavy scattered showers will quickly move in during the morning, with a chance of thunder at times. Maximum temperature 18 °C.
Outlook for Wednesday to Friday:
A spell of rain moves through on Wednesday, followed by heavy blustery showers on Thursday. Drier on Friday with some bright spells and a few showers at times.
Updated:
UK long range weather forecast
Nearest forecasts
- Llyn Y Fan Fawr 0.3 miles
- Dan Yr Ogof Ski Centre 3.2 miles
- Llanddeusant Youth Hostel 3.6 miles
- Crai Reservoir 3.6 miles
- Fan Gyhirych 3.8 miles
- Craig Y Nos Country Park 4.0 miles
- Glasfynydd (Usk Reservoir) 4.3 miles
- Glasfynydd Family Mountain Bike Route 4.4 miles
- Abercraf 5.6 miles
- Garreg Lwyd 5.8 miles
More from the Met Office
-
CAUSES OF CLIMATE CHANGE
Causes of climate change
Explore -
WEATHER
Satellite image of the month - 2018
Explore -
NEWS AND MEDIA
Learn about the work of our Expert Weather Hub.
Explore -
WEATHER FORECASTING IN THE NEWS
Weather forecasting in online news
Explore -
WHO WE ARE
Our history
Explore -
WHO WE ARE
How accurate are our public forecasts?
Explore