Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 7

Waxing Gibbous 89%

17:56

02:54

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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 OK
08 OK
09 Bad
10 Bad
11 Bad
12 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)

96
95
91
68
51
47
38
54
68
62
77
72
57
56
62
59
56
53
30
30
96
93
79
97

Low Clouds (% Sky Obscured)

69
85
69
67
51
47
38
54
68
62
72
66
57
56
62
59
56
53
30
30
96
90
49
79

Medium Clouds (% Sky Obscured)

51
32
0
1
1
1
0
0
0
0
3
3
0
0
0
0
0
0
0
0
0
28
35
45

High Clouds (% Sky Obscured)

2
0
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)

4
9
8
9
8
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

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

Precipitation Probability (%)

70
69
18
43
30
14
5
2
3
1
1
1
1
3
2
2
0
0
0
0
4
22
40
30

Precipitation Amount (mm)

0.3
0.5
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)

8
8
7
12
14
15
14
13
11
9
8
8
7
6
6
6
5
6
8
11
12
14
13
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
79
79
78
74
79
84
91
95
96
95
95
95
95
94
96
96
88
82
72
73
87
83

Pressure (mb)

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

Ozone (du)

399
403
400
399
398
396
395
395
391
387
387
388
389
390
389
384
378
372
369
369
367
364
361
357

Sunday 8

Waxing Gibbous 95%

19:10

03:11

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

78
96
100
93
95
68
63
46
27
41
51
47
49
53
45
47
99
100
99
97
99
100
100
95

Low Clouds (% Sky Obscured)

48
67
57
77
89
57
54
42
27
38
45
47
46
46
45
39
40
49
51
58
63
73
71
83

Medium Clouds (% Sky Obscured)

27
42
55
44
51
30
9
4
0
0
0
0
2
2
5
17
2
67
72
78
95
98
100
86

High Clouds (% Sky Obscured)

0
27
2
0
1
0
0
2
2
0
2
9
4
15
3
19
96
100
93
66
82
100
100
67

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
10
44
72
89
100
30
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 (%)

10
14
15
18
24
17
17
18
15
9
6
7
4
4
1
2
2
1
1
0
0
2
11
8

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)

17
16
16
15
15
14
13
12
10
8
7
6
5
4
4
3
3
2
2
3
5
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
74
75
76
80
82
83
86
81
81
85
91
90
88
90
90
91
88
81
75
71
70
70

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

355
354
355
356
356
356
352
350
349
347
346
345
344
342
341
340
338
337
336
336
337
339
342
350

Monday 9

Waxing Gibbous 98%

20:25

03:36

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
11 Bad
12 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)

97
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
96

Low Clouds (% Sky Obscured)

69
70
73
65
62
78
100
98
100
97
98
99
100
100
100
100
100
100
97
94
92
91
90
88

Medium Clouds (% Sky Obscured)

86
79
75
73
76
80
89
88
86
82
90
71
55
47
36
44
46
46
48
46
40
34
41
43

High Clouds (% Sky Obscured)

22
49
100
100
100
100
100
100
100
100
81
86
55
17
67
100
100
100
100
100
100
82
51
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
1
7
8

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

Precipitation Probability (%)

8
15
5
7
7
3
6
6
7
10
15
10
19
28
39
9
18
28
15
18
29
38
39
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
74
70
73
78
82
87
89
93
93
93
93
96
96
96
95
96
96
95
96
95
90
90

Pressure (mb)

1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

353
351
349
348
347
346
344
343
343
343
342
344
348
350
349
349
348
345
342
339
339
337
336
333

Tuesday 10

Waxing Gibbous 100%

21:35

04:10

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

96
97
94
87
51
47
77
76
63
44
18
31
44
43
38
36
30
20
32
50
62
72
67
77

Low Clouds (% Sky Obscured)

87
85
84
77
51
47
65
68
63
44
18
31
44
43
38
36
30
20
32
50
62
68
57
45

Medium Clouds (% Sky Obscured)

45
43
45
33
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
25
15
17
7
4
13
19
23
16
2
2
0
0
0
0
0
0
1
9
4
19
23
39

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 (%)

25
25
21
17
7
7
10
6
2
3
1
0
1
1
0
0
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)

12
13
13
13
12
11
10
8
5
3
3
3
3
3
3
3
2
2
2
4
6
8
8
10

Chance of Frost

Temperature (°C)

16
17
17
17
17
17
16
16
14
13
13
12
12
12
12
12
12
12
13
14
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
83
81
78
77
76
79
87
92
93
93
93
95
95
95
95
93
95
90
87
83
78
75
72

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017

Ozone (du)

333
332
331
330
330
329
329
328
327
327
329
329
330
333
336
337
335
332
325
323
321
321
321
321

Wednesday 11

Full Moon 99%

22:37

04:59

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
11 Bad
12 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)

79
78
81
89
94
98
83
73
73
100
100
100
100
100
100
100
100
100
100
100
100
96
92
88

Low Clouds (% Sky Obscured)

41
36
35
21
12
4
12
24
36
50
54
59
54
49
44
51
59
66
73
80
87
79
70
62

Medium Clouds (% Sky Obscured)

6
15
57
62
51
43
23
34
43
86
92
99
96
93
91
88
85
87
81
74
65
68
74
81

High Clouds (% Sky Obscured)

35
35
31
51
69
90
83
73
73
98
100
100
100
100
100
100
100
100
91
90
92
65
36
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
1
1
1
1
0
3
6

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

Precipitation Probability (%)

0
0
9
1
3
7
8
7
5
36
46
42
95
95
95
95
95
95
95
78
33
31
27
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.6
1.4
1.6
1.7
1.2
0.6
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
21
21
21
20
20
19
18
18
18
17
17
16
16
16
17
17
17
17
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
77
74
80
82
82
88
93
78
82
85
87
90
95
96
96
96
96
96
95
93
90

Pressure (mb)

1016
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1011
1010
1009
1008
1008
1008
1007
1007
1008
1008
1008
1009
1009

Ozone (du)

322
324
326
328
330
329
327
325
325
325
322
320
321
320
318
316
320
323
327
332
338
344
342
341

Thursday 12

Waning Gibbous 97%

23:25

06:03

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
11 Bad
12 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)

89
90
92
93
92
92
88
84
81
81
82
84
88
92
96
98
98
98
90
82
74
68
66
65

Low Clouds (% Sky Obscured)

69
75
82
83
85
86
77
68
59
49
40
29
52
75
96
98
98
96
87
79
70
62
55
48

Medium Clouds (% Sky Obscured)

52
26
1
0
0
0
8
15
26
31
43
52
56
56
60
50
36
27
40
52
60
50
41
31

High Clouds (% Sky Obscured)

4
2
0
1
2
3
2
5
7
3
3
3
3
3
3
6
9
16
23
27
30
16
6
2

ISS Passover

Visibility (miles)

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

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 (%)

21
20
16
18
19
21
23
20
16
16
15
3
11
23
43
50
47
34
28
27
25
20
26
41

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)

14
14
14
14
13
12
11
10
9
9
8
7
5
4
3
3
4
5
6
7
9
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
90
89
88
86
87
92
93
95
96
98
98
96
96
96
96
96
90
85
79
79
79

Pressure (mb)

1009
1010
1010
1010
1011
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

339
337
336
334
334
334
334
335
335
336
337
338
339
341
342
344
344
344
344
346
348
349
350
350

Friday 13

Waning Gibbous 92%

00:00

07:19

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:53, Set: 21:34, Transit: 13:13. Moon - Rise: 00:00, Set: 07:19. Civil Dark: 22:22 - 04:04. Nautical Dark: 23:39 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
69
66
59
52
43
45
47
49
35
19
0
20
39
59
73
86
100

Low Clouds (% Sky Obscured)

52
56
62
59
52
43
45
47
49
35
19
0
20
39
59
57
54
52

Medium Clouds (% Sky Obscured)

26
23
22
19
17
14
13
8
2
2
2
0
4
7
10
10
7
2

High Clouds (% Sky Obscured)

0
0
3
7
8
12
11
7
2
4
7
0
6
5
6
32
53
65

ISS Passover

Visibility (miles)

6
6
6
6
5
5
4
6
8
9
9
9
9
9
9
9
8
6

Fog (%)

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

Precipitation Probability (%)

52
67
80
75
67
64
57
48
40
31
21
1
0
0
0
1
1
0

Precipitation Amount (mm)

0.2
0.4
0.6
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
12
11
10
8
6
4
4
3
3
3
4
4
3
3

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
16
15
14
13
12
11
9
9
8
7
8
9

Feels Like (°C)

16
18
18
17
17
17
17
15
15
15
14
13
11
8
7
7
7
7

Dew Point (°C)

15
15
15
16
16
15
15
14
13
12
11
10
9
9
7
7
7
8

Relative Humidity (%)

78
81
83
86
88
89
90
92
93
95
95
96
96
98
96
96
95
95

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

351
350
350
350
351
353
354
355
357
358
357
356
355
359
363
367
369
372

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

Generated: 07/06/25 13:24:52. Forecast: 07/06/25 to 13/06/25. Timezone: UTC+1.00