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Pen-y-fan, Bannau Brycheiniog Sunrise Predictor
10-Day Forecast
21 Apr
Tuesday
32
Overcast
Sunrise 6:05am
Skip
Inversion:
Possible
0°C (feels -5°C)
Summit (886m): -10°C
Day: 0° / 7°
Freezing
840m / 2756ft
Wind
13 mph, gusts 28
Twilight
03:48
04:42
05:28
06:05
High clouds
0%
Mid clouds
0%
Low clouds
99%
Precipitation
None
Wind
13 mph
E
, gusts 28
Pressure
922 hPa
Visibility
26 km / 16 mi
Freezing Level
840m / 2756ft
UV Index
3.4 (Moderate)
Air Quality
Good
Icy conditions likely at summit
22 Apr
Wednesday
41
Overcast
Sunrise 6:03am
Poor
Inversion:
Possible
0°C (feels -5°C)
Summit (886m): -11°C
Day: -1° / 10°
Freezing
2200m / 7218ft
Wind
13 mph, gusts 30
Twilight
03:45
04:40
05:26
06:03
High clouds
0%
Mid clouds
0%
Low clouds
76%
Precipitation
None
Wind
13 mph
E
, gusts 30
Pressure
921 hPa
Visibility
18 km / 11 mi
Freezing Level
2200m / 7218ft
UV Index
4.1 (Moderate)
Air Quality
Good
23 Apr
Thursday
85
Overcast
Sunrise 6:01am
Excellent
Inversion:
Likely
-2°C (feels -5°C)
Summit (886m): -11°C
Day: -3° / 13°
Freezing
3023m / 9916ft
Wind
3 mph, gusts 12
Twilight
03:42
04:37
05:24
06:01
High clouds
43%
Mid clouds
0%
Low clouds
0%
Precipitation
None
Wind
3 mph
NE
, gusts 12
Pressure
922 hPa
Visibility
18 km / 11 mi
Freezing Level
3023m / 9916ft
UV Index
5.9 (Moderate)
Air Quality
Good
24 Apr
Friday
58
Overcast
Sunrise 5:59am
Fair
Inversion:
Likely
-3°C (feels -6°C)
Summit (886m): -11°C
Day: -3° / 14°
Freezing
3027m / 9930ft
Wind
2 mph, gusts 6
Twilight
03:38
04:34
05:22
05:59
High clouds
0%
Mid clouds
0%
Low clouds
0%
Precipitation
None
Wind
2 mph
E
, gusts 6
Pressure
919 hPa
Visibility
18 km / 11 mi
Freezing Level
3027m / 9930ft
UV Index
5.9 (Moderate)
Air Quality
Good
25 Apr
Saturday
60
Light Drizzle
Sunrise 5:57am
Fair
Inversion:
Likely
-2°C (feels -5°C)
Summit (886m): -11°C
Day: -3° / 11°
Freezing
2867m / 9405ft
Wind
3 mph, gusts 5
Twilight
03:35
04:32
05:19
05:57
High clouds
90%
Mid clouds
0%
Low clouds
0%
Precipitation
0.6mm (0%)
Wind
3 mph
E
Pressure
916 hPa
Visibility
18 km / 11 mi
Freezing Level
2867m / 9405ft
UV Index
5 (Moderate)
Air Quality
Moderate
26 Apr
Sunday
61
Overcast
Sunrise 5:55am
Fair
Inversion:
Possible
2°C (feels -1°C)
Summit (886m): -7°C
Day: 1° / 11°
Freezing
2870m / 9416ft
Wind
2 mph, gusts 3
Twilight
03:31
04:29
05:17
05:55
High clouds
78%
Mid clouds
19%
Low clouds
28%
Precipitation
4% chance
Wind
2 mph
S
Pressure
916 hPa
Visibility
22 km / 13 mi
Freezing Level
2870m / 9416ft
UV Index
5.4 (Moderate)
Air Quality
Good
27 Apr
Monday
42
Light Drizzle
Sunrise 5:53am
Poor
Inversion:
Possible
5°C (feels 2°C)
Summit (886m): -4°C
Day: 4° / 9°
Freezing
2670m / 8760ft
Wind
8 mph, gusts 19
Twilight
03:28
04:27
05:15
05:53
High clouds
0%
Mid clouds
48%
Low clouds
74%
Precipitation
0.5mm (2%)
Wind
8 mph
S
, gusts 19
Pressure
913 hPa
Visibility
10 km / 6.2 mi
Freezing Level
2670m / 8760ft
UV Index
5.2 (Moderate)
Air Quality
Good
28 Apr
Tuesday
69
Clear
Sunrise 5:51am
Good
Inversion:
Likely
0°C (feels -4°C)
Summit (886m): -9°C
Day: 0° / 10°
Freezing
2480m / 8136ft
Wind
4 mph, gusts 13
Twilight
03:24
04:24
05:13
05:51
High clouds
15%
Mid clouds
0%
Low clouds
0%
Precipitation
None
Wind
4 mph
NE
, gusts 13
Pressure
926 hPa
Visibility
30 km / 18 mi
Freezing Level
2480m / 8136ft
UV Index
5.7 (Moderate)
Air Quality
N/A
+5 post-storm clearing
29 Apr
Wednesday
56
Mainly Clear
Sunrise 5:49am
Fair
Inversion:
Likely
4°C (feels 0°C)
Summit (886m): -6°C
Day: 4° / 11°
Freezing
600m / 1969ft
Wind
7 mph, gusts 21
Twilight
03:21
04:21
05:11
05:49
High clouds
0%
Mid clouds
0%
Low clouds
0%
Precipitation
1% chance
Wind
7 mph
E
, gusts 21
Pressure
924 hPa
Visibility
35 km / 21 mi
Freezing Level
600m / 1969ft
UV Index
4.4 (Moderate)
Air Quality
N/A
Icy conditions likely at summit
30 Apr
Thursday
50
Partly Cloudy
Sunrise 5:47am
Fair
Inversion:
Likely
2°C (feels -1°C)
Summit (886m): -7°C
Day: 2° / 10°
Freezing
2147m / 7043ft
Wind
8 mph, gusts 19
Twilight
03:17
04:19
05:08
05:47
High clouds
0%
Mid clouds
0%
Low clouds
39%
Precipitation
2% chance
Wind
8 mph
E
, gusts 19
Pressure
924 hPa
Visibility
25 km / 15 mi
Freezing Level
2147m / 7043ft
UV Index
5.1 (Moderate)
Air Quality
N/A
Information
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