Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 7

Waxing Gibbous 89%

17:56

02:41

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:55, Set: 21:29, Transit: 13:12. Moon - Rise: 17:56, Set: 02:41. Civil Dark: 22:17 - 04:07. Nautical Dark: 23:31 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
97
99
80
79
83
98
100
98
100
100
91
87
85
50
50
45
47
48
49
54
69
62

Low Clouds (% Sky Obscured)

67
69
70
74
65
63
72
94
97
97
100
100
76
78
74
50
47
45
47
47
49
54
69
62

Medium Clouds (% Sky Obscured)

91
93
86
60
45
46
44
82
90
70
82
94
39
30
41
5
5
3
1
2
0
0
0
0

High Clouds (% Sky Obscured)

43
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
6
4
3
5
9
9
9
8
9
6
7
8
6
5
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

80
86
80
54
35
26
32
44
65
74
51
45
53
70
71
42
15
14
6
3
2
1
1
1

Precipitation Amount (mm)

0.3
0.4
0.4
0.2
0
0
0
0
0.3
0.3
0
0
0
0.4
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
6
6
7
8
10
10
10
11
9
10
12
14
14
14
13
12
11
9
8
7

Chance of Frost

Temperature (°C)

10
9
9
9
9
9
9
10
11
11
11
12
12
13
13
13
13
13
12
11
10
9
8
8

Feels Like (°C)

7
7
7
7
7
7
7
7
8
7
7
8
9
9
8
9
9
9
8
8
7
6
6
7

Dew Point (°C)

9
9
9
9
8
8
8
8
8
8
7
9
9
9
10
9
8
8
8
8
8
8
8
8

Relative Humidity (%)

93
96
96
98
96
95
93
88
85
80
76
80
83
77
81
75
72
72
76
80
87
95
96
95

Pressure (mb)

1007
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1009
1010
1011
1012
1013

Ozone (du)

381
382
387
390
392
391
392
393
394
395
396
397
396
396
397
397
396
396
396
393
388
388
389
389

Sunday 8

Waxing Gibbous 95%

19:10

02:54

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:54, Set: 21:30, Transit: 13:12. Moon - Rise: 19:10, Set: 02:54. Civil Dark: 22:18 - 04:07. Nautical Dark: 23:33 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
61
64
58
38
13
11
72
100
86
92
74
76
72
88
93
88
74
69
43
13
44
42
59

Low Clouds (% Sky Obscured)

60
61
64
58
38
13
11
72
100
64
83
54
52
50
60
76
51
46
53
43
13
44
38
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
15
42
33
17
21
23
28
50
49
42
33
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
8
1
1
1
1
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
9
9
9
9
6
8
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
1
2
1
0
0
0
3
21
32
41
37
20
17
16
24
30
18
16
6
11
12
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
5
6
9
12
12
13
15
16
16
15
14
15
13
12
12
9
6
5
5

Chance of Frost

Temperature (°C)

8
8
7
7
7
8
9
10
11
12
12
13
14
14
15
15
14
14
13
13
12
11
11
10

Feels Like (°C)

7
7
7
7
6
7
8
8
8
8
7
9
9
10
10
10
10
11
10
10
10
9
9
9

Dew Point (°C)

7
7
7
7
6
7
7
7
6
7
8
11
11
11
9
10
9
10
10
11
10
10
10
9

Relative Humidity (%)

96
96
94
96
94
96
88
81
73
71
75
83
84
78
66
71
70
76
82
86
90
93
93
93

Pressure (mb)

1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023
1023

Ozone (du)

388
387
389
389
385
380
377
376
373
370
367
366
364
363
362
362
361
360
362
360
359
358
356
353

Monday 9

Waxing Gibbous 98%

20:25

03:11

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:54, Set: 21:31, Transit: 13:12. Moon - Rise: 20:25, Set: 03:11. Civil Dark: 22:19 - 04:06. Nautical Dark: 23:34 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
92
73
100
100
97
98
96
71
81
80
45
66
43
36
56
58
94
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
37
31
6
7
0
19
49
46
75
69
45
66
43
36
56
54
52
55
61
62
69
73
77

Medium Clouds (% Sky Obscured)

0
0
2
84
96
89
91
65
52
40
24
3
25
5
17
34
32
42
48
49
48
43
99
100

High Clouds (% Sky Obscured)

87
83
54
100
100
88
71
91
51
64
6
6
4
2
1
4
58
93
98
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
59
58
76
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
1
0
0
0
0
0
2
3
13
0
0
1
0
1
1
0
0
1
1
0
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
3
2
2
3
5
7
9
10
11
12
13
14
14
13
12
12
11
11
11
11

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
10
12
13
14
15
16
16
16
16
16
15
14
13
12
11
10
10
11

Feels Like (°C)

8
8
8
8
7
8
9
10
11
13
13
13
14
14
13
13
12
11
9
8
7
6
6
6

Dew Point (°C)

9
9
8
8
8
8
9
10
10
9
9
9
9
9
9
10
9
9
10
10
10
9
10
10

Relative Humidity (%)

93
93
95
95
96
96
91
88
83
74
68
65
63
63
64
67
69
73
79
86
91
95
95
93

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

350
349
346
346
344
343
342
342
344
344
346
347
347
344
344
344
343
341
341
340
341
342
343
349

Tuesday 10

Waxing Gibbous 100%

21:35

03:36

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:54, Set: 21:32, Transit: 13:13. Moon - Rise: 21:35, Set: 03:36. Civil Dark: 22:20 - 04:06. Nautical Dark: 23:35 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
96
91
78
53
37
65
73
72
73

Low Clouds (% Sky Obscured)

84
89
96
99
100
100
100
100
100
99
100
100
96
93
89
87
86
78
53
37
64
56
49
39

Medium Clouds (% Sky Obscured)

98
80
47
37
19
2
0
0
2
8
17
26
39
54
61
46
25
11
6
3
0
0
0
0

High Clouds (% Sky Obscured)

86
73
62
60
61
57
70
87
100
83
62
46
27
49
49
28
15
17
12
6
22
29
30
35

ISS Passover

Visibility (miles)

9
9
9
2
0
0
1
0
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
1
4
3
2
3
3
14
21
24
19
19
17
15
15
13
5
3
1
0
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
10
9
9
9
10
10
11
11
11
11
11
11
10
9
8
6
4
2
1
1

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
13
13
14
15
16
16
17
17
18
17
17
17
17
16
14
13
12
12

Feels Like (°C)

6
6
6
8
8
9
10
10
10
11
13
13
14
14
15
15
15
15
15
16
16
14
12
11

Dew Point (°C)

10
9
10
11
11
11
12
12
13
13
13
14
14
14
14
14
13
13
13
14
13
12
11
11

Relative Humidity (%)

91
90
95
98
96
96
95
95
95
90
82
83
82
81
78
79
78
79
79
86
92
93
93
93

Pressure (mb)

1022
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

350
349
346
344
343
340
338
336
334
333
332
332
332
331
331
332
331
330
330
330
329
330
330
330

Wednesday 11

Full Moon 100%

22:37

04:10

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:53, Set: 21:33, Transit: 13:13. Moon - Rise: 22:37, Set: 04:10. Civil Dark: 22:21 - 04:05. Nautical Dark: 23:37 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
49
62
50
62
80
93
91
90
93
96
100
100
100
100
98
95
91
85
79
75
72
69
66

Low Clouds (% Sky Obscured)

61
49
62
50
62
80
85
81
77
71
67
67
46
26
6
8
10
12
8
4
0
23
46
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
17
22
30
41
50
52
54
58
45
31
16

High Clouds (% Sky Obscured)

30
3
0
0
0
1
21
38
51
68
84
100
100
100
100
86
72
61
51
37
10
8
5
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
11
19
21
23
29
34
40
38
39
39
33
28
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
4
5
7
10
11
12
12
12
12
11
10
9
10
10
11
10
10

Chance of Frost

Temperature (°C)

11
11
10
10
10
11
12
13
15
17
17
18
18
20
20
21
20
20
19
18
17
16
15
14

Feels Like (°C)

11
10
11
10
11
12
12
12
14
15
15
16
16
17
18
18
18
18
18
17
18
17
17
18

Dew Point (°C)

10
10
10
10
9
10
10
11
12
13
13
14
15
16
17
17
17
17
17
15
13
12
11
10

Relative Humidity (%)

93
95
95
96
93
91
87
84
82
77
76
76
78
78
79
80
81
82
84
80
78
75
75
76

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018
1017
1016
1015
1015
1015
1014
1014
1014
1013
1013

Ozone (du)

330
332
332
334
332
330
324
321
320
321
323
323
324
325
327
328
328
328
328
327
326
326
325
324

Thursday 12

Waning Gibbous 99%

23:25

04:59

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:53, Set: 21:33, Transit: 13:13. Moon - Rise: 23:25, Set: 04:59. Civil Dark: 22:21 - 04:05. Nautical Dark: 23:38 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
88
99
99
99
99
99
100
100
100
100
100
100
100
100
98
96
95
96
98
100
96
94
92

Low Clouds (% Sky Obscured)

77
88
99
99
98
97
98
99
100
95
90
85
76
66
55
60
66
71
81
90
100
87
74
61

Medium Clouds (% Sky Obscured)

21
27
30
45
60
70
60
60
55
59
56
59
68
79
88
82
74
64
53
43
37
34
31
28

High Clouds (% Sky Obscured)

6
8
10
10
10
10
37
70
100
99
97
96
97
99
100
68
37
9
10
10
10
9
6
3

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
7
6
5
3
2
0
3
5
8
8
9
9
9
9
9
6
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

25
21
17
27
34
34
59
70
71
53
41
39
71
93
95
88
69
48
49
46
52
48
41
41

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.3
0
0
0
0.4
0.7
0.8
0.5
0.3
0
0.2
0
0.3
0.2
0
0

Wind Speed/Direction (mph)

9
8
8
9
9
9
10
10
11
12
12
13
13
12
12
12
11
11
11
10
9
8
9
11

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
15
16
17
17
17
17
17
17
17
16
16
15
14
14

Feels Like (°C)

19
11
12
12
12
11
10
10
10
10
10
9
10
15
15
15
14
13
13
16
17
16
16
15

Dew Point (°C)

10
10
10
10
11
12
12
13
13
14
15
15
16
16
17
17
17
16
16
15
16
15
14
13

Relative Humidity (%)

78
78
78
76
83
87
92
92
93
96
96
95
96
96
96
96
95
93
92
93
96
96
98
96

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1011

Ozone (du)

323
323
323
323
322
321
320
322
323
325
328
331
334
338
341
345
343
342
341
343
344
346
349
352

Friday 13

Waning Gibbous 97%

00:00

06:03

Sun - Rise: 04:53, Set: 21:34, Transit: 13:13. Moon - Rise: 00:00, Set: 06:03. Civil Dark: 22:22 - 04:04. Nautical Dark: 23:39 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Brecon, Powys, United Kingdom (51.95,-3.39)

Generated: 07/06/25 01:49:22. Forecast: 07/06/25 to 13/06/25. Timezone: UTC+1.00