Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:54

16:54

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
13 Bad
14 Bad
15 OK

Sun - Rise: 05:19, Set: 21:08, Transit: 13:14. Moon - Rise: 03:54, Set: 16:54. Civil Dark: 21:52 - 04:35. Nautical Dark: 22:54 - 03:32. Astro Dark: 00:55 - N/A

Total Clouds (% Sky Obscured)

56
75
66
72
26
26
21
24
33
24
22
29
32
33
47
64
74
88
99
100
83
71
31
14

Low Clouds (% Sky Obscured)

7
13
18
28
26
26
21
24
33
24
22
29
32
33
47
64
74
78
83
70
65
48
23
12

Medium Clouds (% Sky Obscured)

56
58
62
19
21
22
0
0
32
0
0
0
0
9
17
19
37
61
97
98
33
26
8
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
7
8
9
9
9
9
9
9
9
9
8
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
Very 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 (%)

21
21
48
49
45
34
36
30
23
32
30
32
32
20
28
43
51
54
50
50
47
39
33
16

Precipitation Amount (mm)

0.3
0.3
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
13
15
14
15
17
18
17
17
18
17
17
17
17
18
18
18
18
18
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
5
5
4
4
3
3
2
3
2
2
2
2
2
2
2
3
2
3
3
3
4
5

Dew Point (°C)

6
7
6
5
5
4
5
5
5
5
5
5
5
4
4
5
5
5
5
5
6
5
6
6

Relative Humidity (%)

66
71
72
71
72
72
74
77
80
81
81
81
78
78
77
79
78
78
75
74
77
74
73
73

Pressure (mb)

1004
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

427
428
430
428
424
422
421
423
424
421
420
418
418
421
423
424
427
429
433
436
438
437
436
434

Thursday 14

Waning Crescent 3%

04:08

18:24

16 OK
17 OK
18 OK
19 OK
20 OK
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 OK
10 Bad
11 OK
12 Bad
13 OK
14 Good
15 Good

Sun - Rise: 05:17, Set: 21:10, Transit: 13:14. Moon - Rise: 04:08, Set: 18:24. Civil Dark: 21:54 - 04:33. Nautical Dark: 22:57 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
6
5
9
7
26
33
43
46
49
54
49
40
45
47
25
26
19
57
36
34
19
8
10

Low Clouds (% Sky Obscured)

1
4
5
9
6
19
21
43
46
49
54
49
40
45
47
25
26
19
18
36
34
19
1
5

Medium Clouds (% Sky Obscured)

0
0
0
2
2
14
27
10
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
45
12
0
2
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
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

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 (%)

11
9
9
16
15
37
42
24
25
10
7
8
13
9
18
7
18
4
5
6
15
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
6
7
6
6
6
4
3
3
4
4
4
4
4
5
3
4
5
5
5
5
6
7

Dew Point (°C)

6
6
5
6
6
5
6
6
5
5
5
5
5
4
3
4
4
3
3
2
2
2
2
2

Relative Humidity (%)

72
71
68
73
76
77
81
81
80
78
81
82
81
81
77
77
71
67
62
60
58
55
55
54

Pressure (mb)

1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

434
433
433
428
423
419
417
416
416
416
417
418
418
419
420
422
423
425
427
428
426
417
410
407

Friday 15

Waning Crescent 0%

04:26

19:59

16 OK
17 OK
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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:16, Set: 21:12, Transit: 13:14. Moon - Rise: 04:26, Set: 19:59. Civil Dark: 21:56 - 04:31. Nautical Dark: 22:59 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
42
57
65
64
65
74
89
80
74
86
100
94
89
95
98
97
99
99
99
98
97
97
97

Low Clouds (% Sky Obscured)

22
38
55
44
52
43
37
44
30
56
76
81
90
88
63
55
63
61
89
89
79
87
86
83

Medium Clouds (% Sky Obscured)

26
29
40
42
43
45
36
38
41
36
31
40
34
40
90
96
94
98
97
99
93
83
91
89

High Clouds (% Sky Obscured)

2
0
2
2
0
0
0
1
0
0
0
0
0
0
1
1
1
0
2
7
2
2
21
12

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
14
17
21
24
20
17
15
27
26
17
20
21
34
30
35
44
38
32
25
28
30

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
11
9
8
6
6
5
5
3
3
3
3
3
2
3
4
7
9
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
4
4
3
3
3
3
3
3
3
3
3
3
4
4
3
4
4
4
5
5
5

Relative Humidity (%)

54
56
58
62
66
68
70
71
74
75
74
75
71
69
70
70
67
64
65
63
64
66
66
68

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

404
401
399
398
398
397
398
398
397
396
395
394
394
393
392
393
392
392
393
395
396
398
398
397

Saturday 16

New Moon 1%

04:54

21:37

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:14, Set: 21:13, Transit: 13:15. Moon - Rise: 04:54, Set: 21:37. Civil Dark: 21:58 - 04:29. Nautical Dark: 23:02 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
96
95
96
96
96
97
98
100
100
70
100
96
93
90
93
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
68
57
56
58
57
48
42
38
51
28
21
17
13
11
19
26
35
36
34
33
27
21
13

Medium Clouds (% Sky Obscured)

88
83
56
87
88
89
92
96
77
70
70
100
75
44
30
47
75
100
97
100
100
100
81
100

High Clouds (% Sky Obscured)

1
1
0
1
2
4
40
62
83
87
70
100
54
83
75
83
92
100
100
100
100
100
100
100

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 (%)

35
43
44
55
52
50
49
41
33
20
11
4
6
6
5
5
5
2
3
3
1
2
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
75
85
90
93
91
91
91
88
84
85
85
85
85
85
84
81
80
76
73
70
68
70
70

Pressure (mb)

1007
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1008
1007

Ozone (du)

397
398
400
405
411
410
409
409
411
414
417
422
427
426
426
426
428
431
433
435
438
440
442
444

Sunday 17

Waxing Crescent 5%

05:38

23:10

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 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:13, Set: 21:15, Transit: 13:15. Moon - Rise: 05:38, Set: 23:10. Civil Dark: 22:00 - 04:27. Nautical Dark: 23:05 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
53
73
99
99
100
100
100
100
100
99
97
70
55
20
38
34
30
33
39
46
62
81
99

Low Clouds (% Sky Obscured)

22
27
33
36
49
73
72
71
74
62
67
57
41
31
20
6
8
10
13
17
21
15
8
3

Medium Clouds (% Sky Obscured)

99
44
70
98
99
100
100
100
100
100
99
97
66
41
3
32
24
24
24
25
21
17
12
8

High Clouds (% Sky Obscured)

90
13
0
16
42
67
67
94
100
71
28
1
1
0
0
21
28
30
29
20
8
31
54
77

ISS Passover

Visibility (miles)

9
9
9
9
5
6
9
9
9
8
8
7
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
21
18
44
62
74
79
91
95
95
95
95
90
80
67
19
16
7
12
8
3
6
4
1

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0.4
0.6
1.1
0.9
0.7
0.7
0.6
0.5
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
16
17
15
14
13
11
11
11
9
7
6
7
7
8
9
9
10
11
13
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
7
7
7
7
6
6
6
6
5
5
6
6
6
6
6
6
6
5
6
6

Relative Humidity (%)

68
68
73
78
80
85
85
84
81
81
82
82
81
81
84
84
81
77
74
73
72
68
69
68

Pressure (mb)

1007
1007
1006
1006
1005
1005
1005
1005
1004
1004
1003
1003
1003
1004
1004
1004
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

443
443
444
443
441
441
440
441
443
445
445
446
446
442
428
423
421
419
417
413
409
405
404
402

Monday 18

Waxing Crescent 12%

06:43

00:25

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:11, Set: 21:16, Transit: 13:15. Moon - Rise: 06:43, Set: 00:25. Civil Dark: 22:02 - 04:26. Nautical Dark: 23:08 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
95
89
81
71

Low Clouds (% Sky Obscured)

6
11
15
18
23
27
44
60
75
76
74
73
79
84
88
92
96
100
94
88
82
76
69
62

Medium Clouds (% Sky Obscured)

29
50
71
78
82
82
82
86
94
96
98
100
100
100
100
85
69
54
56
51
48
58
64
63

High Clouds (% Sky Obscured)

73
69
69
79
90
100
89
81
71
69
62
65
64
76
82
60
34
10
10
9
10
8
5
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
3
7
9
11
19
26
34
51
64
76
74
65
49
44
41
37
43
46
40
32
23
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
13
13
13
13
13
13
13
13
12
12
13
13
13
14
12
12
13
15
18
20
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
72
73
77
81
83
84
87
88
85
82
80
80
80
81
83
86
88
86
86
86
86
87

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

400
400
399
399
399
400
400
400
400
399
398
397
396
398
400
403
402
402
401
401
402
402
400
397

Tuesday 19

Waxing Crescent 12%

08:07

01:17

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: 05:10, Set: 21:18, Transit: 13:15. Moon - Rise: 08:07, Set: 01:17. Civil Dark: 22:04 - 04:24. Nautical Dark: 23:10 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
77
83
75
68
61
71
83
96
86
80
76
84
91
100
99
98
97
83
68
53

Low Clouds (% Sky Obscured)

59
56
54
56
57
58
64
66
67
55
45
36
54
67
80
73
63
52
49
49
47

Medium Clouds (% Sky Obscured)

61
67
72
60
47
37
39
43
43
39
40
52
44
41
46
54
65
73
52
27
2

High Clouds (% Sky Obscured)

1
2
3
8
14
20
30
32
35
30
35
35
55
69
86
83
81
76
55
34
25

ISS Passover

Visibility (miles)

9
9
8
7
8
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

Precipitation Type

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

Precipitation Probability (%)

28
38
47
42
37
30
29
25
19
30
38
45
32
24
23
18
16
12
9
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
14

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

90
92
93
96
95
96
96
96
96
96
96
96
96
96
93
93
92
92
90
89
86

Pressure (mb)

1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1017
1017
1017
1018

Ozone (du)

395
393
390
387
385
383
380
381
381
381
378
375
371
366
361
356
353
351
349
350
350

Forecast for Holyhead, Anglesey, United Kingdom (53.30,-4.65)

Generated: 13/05/26 16:42:05. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00