Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 6

Waxing Gibbous 83%

16:43

02:41

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 04:55, Set: 21:29, Transit: 13:12. Moon - Rise: 16:43, Set: 02:41. Civil Dark: 22:16 - 04:07. Nautical Dark: 23:29 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
85
83
98
100
100
100
100
99
100
100
100
98
100
100
100
96
91
86
90
96
98
100
93

Low Clouds (% Sky Obscured)

63
73
80
68
52
51
46
40
45
35
22
25
38
65
72
73
63
69
54
59
91
93
100
84

Medium Clouds (% Sky Obscured)

0
0
67
98
92
100
100
97
99
100
100
100
96
96
95
97
95
78
75
71
73
92
84
81

High Clouds (% Sky Obscured)

11
40
83
98
100
100
100
52
56
100
100
95
91
50
65
1
55
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
8
8
5
3
9
9
9
9
9
9
4

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

Precipitation Probability (%)

2
1
0
24
25
20
12
11
5
7
9
13
40
65
76
80
68
33
11
15
44
85
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.4
0
0
0
0
0.4
0.9
0.8

Wind Speed/Direction (mph)

12
14
15
17
18
17
17
15
14
12
10
8
6
6
5
5
4
5
5
5
6
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
62
64
75
70
71
71
73
76
79
81
84
88
88
95
96
98
95
93
93
93
88
91
90

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

391
389
385
381
378
379
380
379
379
379
379
380
380
381
382
383
383
389
389
390
390
389
390
392

Saturday 7

Waxing Gibbous 89%

17:56

02:54

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 Bad
10 Bad

Sun - Rise: 04:54, Set: 21:29, Transit: 13:12. Moon - Rise: 17:56, Set: 02:54. Civil Dark: 22:17 - 04:07. Nautical Dark: 23:31 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
85
88
86
89
73
59
75
70
90
57
55
54
62
65
73
55
57
55
44
34
56
44
68

Low Clouds (% Sky Obscured)

63
66
78
74
72
69
59
64
70
57
57
55
54
53
60
68
55
57
55
44
34
56
31
55

Medium Clouds (% Sky Obscured)

79
70
42
35
66
23
16
17
2
48
2
2
1
0
0
0
0
0
0
0
0
0
23
41

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
1

ISS Passover

Visibility (miles)

5
8
7
9
9
6
7
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

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

Precipitation Probability (%)

67
83
81
76
70
63
41
29
11
8
7
14
7
8
7
9
3
2
1
1
1
1
1
3

Precipitation Amount (mm)

0.2
0.5
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
13
13
13
13
13
13
12
11
10
9
9
8
8
8
8
8
7
8
9
10
11
11

Feels Like (°C)

9
10
10
10
10
9
8
8
8
7
6
5
5
5
4
4
4
4
5
6
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

95
89
87
95
92
84
83
81
83
83
88
96
93
96
88
88
87
85
93
93
87
80
74
66

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1016
1017
1017
1018
1019
1019

Ozone (du)

392
393
394
395
393
393
394
393
393
394
395
396
396
396
393
392
391
390
387
384
381
376
372
368

Sunday 8

Waxing Gibbous 95%

19:10

03:11

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
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 04:54, Set: 21:30, Transit: 13:12. Moon - Rise: 19:10, Set: 03:11. Civil Dark: 22:18 - 04:06. Nautical Dark: 23:33 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
90
65
82
97
48
77
88
63
42
63
65
44
51
36
38
69
96
94
99
97
96
93
92

Low Clouds (% Sky Obscured)

36
78
45
16
37
48
77
78
42
25
32
48
44
51
36
38
49
47
46
44
47
54
55
64

Medium Clouds (% Sky Obscured)

38
56
38
45
58
43
39
40
23
0
0
0
0
0
0
0
8
2
63
97
79
72
39
20

High Clouds (% Sky Obscured)

1
1
1
2
3
3
0
1
4
7
49
33
7
4
2
8
69
96
81
96
84
73
59
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
8
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
9
2
12
8
20
22
24
19
19
20
17
7
6
3
2
1
0
0
0
1
2
1
3

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)

15
15
15
15
14
15
15
14
14
12
10
8
8
7
6
5
4
4
3
3
3
4
6
8

Chance of Frost

Temperature (°C)

12
13
14
14
14
14
14
14
13
13
12
11
10
10
10
9
9
8
8
8
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

5
5
6
7
10
10
10
10
11
11
11
10
10
9
9
8
8
8
7
8
9
9
9
9

Relative Humidity (%)

61
59
59
63
76
76
74
78
83
87
93
96
96
95
93
93
93
95
95
96
91
87
80
74

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025

Ozone (du)

365
364
363
361
360
359
357
350
347
344
343
341
341
340
339
337
335
335
335
335
336
337
338
342

Monday 9

Waxing Gibbous 98%

20:25

03:36

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

Sun - Rise: 04:54, Set: 21:31, Transit: 13:12. Moon - Rise: 20:25, Set: 03:36. Civil Dark: 22:19 - 04:06. Nautical Dark: 23:34 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
91
64
61
59
67
53
40
34
99
100
100
100
100
100
100
95
100
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
82
64
61
59
64
53
40
34
59
55
57
60
62
74
85
95
94
88
82
88
94
100
100

Medium Clouds (% Sky Obscured)

25
24
19
17
8
12
15
17
13
8
2
19
39
86
90
87
61
81
58
55
30
13
0
1

High Clouds (% Sky Obscured)

45
37
28
15
2
3
4
5
34
76
100
100
100
100
100
100
93
100
84
67
100
100
100
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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 (%)

12
0
1
2
1
2
2
1
2
2
0
0
0
0
0
0
0
2
2
1
4
6
3
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
64
62
64
66
68
70
78
84
88
93
95
96
98
96
98
98
98
95
93
90
87
86

Pressure (mb)

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

Ozone (du)

345
349
355
355
352
351
349
347
345
345
345
346
345
345
346
345
344
343
342
341
341
340
339
337

Tuesday 10

Waxing Gibbous 100%

21:35

04:10

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
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad

Sun - Rise: 04:53, Set: 21:32, Transit: 13:13. Moon - Rise: 21:35, Set: 04:10. Civil Dark: 22:20 - 04:05. Nautical Dark: 23:35 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
98
96
90
77
64
62
63
71
73
73
68
63
36
18
9
23
40
53
63

Low Clouds (% Sky Obscured)

99
99
99
98
98
92
87
82
71
59
50
57
68
73
73
68
63
36
18
9
23
40
53
63

Medium Clouds (% Sky Obscured)

1
3
14
25
35
27
17
5
11
17
23
22
22
20
12
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

73
36
49
60
76
61
40
20
26
32
35
32
29
23
14
6
0
1
2
3
12
11
9
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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 (%)

6
7
6
8
12
12
18
13
13
2
1
5
5
0
0
1
0
0
0
0
0
0
0
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
10
11
11
11
11
10
8
7
5
4
3
3
2
2
2
2
2
2
2
2
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
15
15
15
16
16
16
17
16
15
15
14
14
14
13
14
13
12
12
15
16
17

Dew Point (°C)

13
13
14
14
14
15
15
15
15
15
14
13
13
12
12
11
11
11
11
11
11
12
13
14

Relative Humidity (%)

86
85
82
83
85
85
88
89
90
90
95
95
96
95
96
96
96
96
95
92
92
87
82
78

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

337
336
335
334
333
334
334
334
335
336
336
337
337
334
334
333
332
331
332
332
332
331
330
329

Wednesday 11

Full Moon 99%

22:37

04:59

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 04:53, Set: 21:33, Transit: 13:13. Moon - Rise: 22:37, Set: 04:59. Civil Dark: 22:21 - 04:05. Nautical Dark: 23:37 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
82
85
89
93
96
98
100
86
70
56
70
85
100
98
95
94
98
99
100
100
100
100
97

Low Clouds (% Sky Obscured)

72
80
81
81
81
62
43
24
16
8
0
16
31
44
46
48
52
59
66
72
80
88
96
93

Medium Clouds (% Sky Obscured)

0
0
9
19
26
42
59
70
51
43
35
35
41
47
52
54
59
71
85
100
100
100
100
87

High Clouds (% Sky Obscured)

22
31
26
21
16
44
72
100
71
43
15
43
72
100
98
95
94
98
99
100
97
93
90
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
2
1
0

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
4
6
7
6
7
8
9
7
6
10
14
18
21
26
33
48
75
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.5
2
1.9
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
20
21
22
22
22
21
21
20
19
18
17
16
15
15
14
14
14
14
14
15
15
16

Feels Like (°C)

17
18
18
21
20
20
21
21
21
19
19
20
19
18
18
13
12
12
12
12
12
13
13
14

Dew Point (°C)

15
15
15
15
15
16
16
17
18
17
17
17
16
14
14
14
13
13
13
13
14
15
15
15

Relative Humidity (%)

76
72
70
68
67
66
70
76
81
85
89
93
93
92
92
93
92
92
93
95
96
98
96
98

Pressure (mb)

1020
1020
1020
1019
1018
1017
1017
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1010
1010

Ozone (du)

330
331
332
331
331
330
331
332
333
332
330
328
327
326
324
324
323
323
323
324
325
324
323
322

Thursday 12

Waning Gibbous 97%

23:25

06:03

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:53, Set: 21:33, Transit: 13:13. Moon - Rise: 23:25, Set: 06:03. Civil Dark: 22:21 - 04:04. Nautical Dark: 23:38 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
87
81
70
78
88
100
89
77
66
69
76
82
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

89
86
79
72
68
71
78
77
57
44
43
53
61
59
73
86
100
93
85
78

Medium Clouds (% Sky Obscured)

74
61
43
31
23
27
30
29
14
7
0
21
41
61
59
58
57
68
77
85

High Clouds (% Sky Obscured)

39
5
0
0
1
32
61
86
54
27
0
3
6
6
36
65
95
96
98
99

ISS Passover

Visibility (miles)

3
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

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

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
57
39
26
21
25
27
28
26
22
12
15
15
15
17
17
17
26
32
35

Precipitation Amount (mm)

0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
19
20
19
19
18
17
16
15
15
14
14
14
14
13
14
14

Feels Like (°C)

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

Dew Point (°C)

15
16
17
16
16
16
16
16
15
15
14
14
14
13
13
13
13
13
13
13

Relative Humidity (%)

96
95
93
89
84
78
81
81
82
85
89
93
93
93
93
93
93
95
93
93

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

324
325
327
331
334
338
345
351
357
350
343
335
334
333
332
332
333
334
333
332

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

Generated: 06/06/25 11:33:03. Forecast: 06/06/25 to 12/06/25. Timezone: UTC+1.00