Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 99%

22:14

03:36

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

Sun - Rise: 04:54, Set: 21:50, Transit: 13:22. Moon - Rise: 22:14, Set: 03:36. Civil Dark: 22:41 - 04:02. Nautical Dark: 00:12 - 02:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
65
99
80
23
38
18
57
86
87
100
100
100
74
67
27
78
100
100
100
94
94
100
98

Low Clouds (% Sky Obscured)

3
23
59
56
23
37
17
0
0
0
3
0
0
0
0
0
0
0
2
1
25
25
15
40

Medium Clouds (% Sky Obscured)

2
5
57
8
3
3
1
0
0
0
23
100
93
74
67
21
48
78
100
100
94
91
83
92

High Clouds (% Sky Obscured)

7
65
45
7
2
2
3
40
74
87
100
100
93
51
0
5
73
100
100
100
76
85
100
58

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
0
0
0
0
0
0
0
0
5
23
21
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
83
83
83
86
87
89
84
83
80
79
78
77
75
74
74
74
78
79
83
86
87
89
89

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1024
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

348
348
346
345
343
341
341
341
344
345
346
348
350
351
348
347
345
344
344
343
348
349
352
353

Tuesday 30

Full Moon 100%

22:47

04:37

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
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 04:55, Set: 21:49, Transit: 13:22. Moon - Rise: 22:47, Set: 04:37. Civil Dark: 22:41 - 04:03. Nautical Dark: 00:11 - 02:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
99
89
92
62
98
96
97
97
95
92
86
94
71
49
43
49
59
79
29
30
56
41
48

Low Clouds (% Sky Obscured)

37
37
46
46
31
61
71
86
83
73
59
82
74
51
45
28
29
28
34
27
29
49
41
48

Medium Clouds (% Sky Obscured)

85
74
80
53
32
57
92
81
93
58
61
61
51
27
16
21
18
24
20
8
6
30
2
3

High Clouds (% Sky Obscured)

27
64
48
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
50
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
9
5
9
9
9
9
9
9
9
9
9
9
7
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
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
20
20
13
22
22
25
61
77
63
95
76
57
38
18
9
3
9
8
2
5
20
13
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.4
0
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
10
12
12
13
16
18
17
17
18
18
18
17
17
16
15
14
12
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
87
90
89
87
87
86
86
89
87
90
90
90
86
83
85
88
89
90
93
95
95

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1020
1020

Ozone (du)

357
355
355
357
360
363
364
363
362
364
365
364
364
364
366
366
367
368
367
368
367
366
367
365

Wednesday 1

Waning Gibbous 99%

23:09

05:48

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 04:55, Set: 21:49, Transit: 13:22. Moon - Rise: 23:09, Set: 05:48. Civil Dark: 22:40 - 04:04. Nautical Dark: 00:10 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

41
47
58
55
58
77
98
100
97
99
96
99
100
84
97
69
87
95
98
61
63
69
78
75

Low Clouds (% Sky Obscured)

41
47
58
55
52
61
61
70
80
82
65
43
43
44
39
9
17
13
11
27
56
69
74
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
28
16
20
31
13
22
67
36
41
46
51
71
97
41
25
10
17
28

High Clouds (% Sky Obscured)

0
0
45
50
52
47
76
100
81
60
83
96
100
80
73
47
65
67
16
4
1
1
2
3

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 (%)

12
4
1
6
3
4
6
4
1
1
0
0
0
0
0
0
0
1
2
11
14
14
16
16

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)

5
5
6
7
7
8
9
9
9
9
9
9
8
9
9
9
11
12
14
15
17
18
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
15
14
14
13
13
13
14
14
15
15
15
16
16
16
15
14
13
13
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
96
95
93
92
87
83
78
78
79
79
79
77
78
78
78
81
85
87
87
89

Pressure (mb)

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

Ozone (du)

367
371
368
366
357
348
344
339
335
333
331
328
327
325
324
322
321
319
318
317
316
318
317
315

Thursday 2

Waning Gibbous 96%

23:26

07:04

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
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 04:56, Set: 21:48, Transit: 13:22. Moon - Rise: 23:26, Set: 07:04. Civil Dark: 22:40 - 04:05. Nautical Dark: 00:09 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
92
93
95
95
95
94
92
88
45
44
57
67
72
76
74
70
58
49
46
13
0
1
5

Low Clouds (% Sky Obscured)

60
68
73
80
85
89
93
89
85
45
44
57
60
68
76
74
69
58
49
45
13
0
0
0

Medium Clouds (% Sky Obscured)

33
65
33
35
23
12
0
0
0
0
0
0
0
13
24
33
25
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
2
0
5
13
21
15
9
4
33
52
67
51
31
1
0
0
0
0
0
0
1
5

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 (%)

9
23
30
37
28
27
25
23
25
13
9
9
4
6
7
5
7
7
14
14
1
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)

22
23
23
24
24
21
21
20
19
18
18
16
15
13
12
11
12
12
10
10
11
10
10
9

Chance of Frost

Temperature (°C)

15
16
16
16
16
16
16
17
17
18
18
18
19
19
19
18
18
18
18
18
17
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
95
98
95
87
86
89
79
72
72
71
71
70
68
66
69
72
74
77
79
80
85

Pressure (mb)

1020
1020
1019
1018
1017
1018
1018
1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1027
1028

Ozone (du)

313
313
315
319
320
320
320
319
319
319
320
321
322
325
330
338
344
353
362
370
365
364
364
358

Friday 3

Waning Gibbous 91%

23:38

08:22

00 OK
01 Bad
02 Bad
03 Bad
04 OK
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 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 04:57, Set: 21:48, Transit: 13:22. Moon - Rise: 23:38, Set: 08:22. Civil Dark: 22:39 - 04:06. Nautical Dark: 00:07 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

32
62
68
83
35
80
82
81
81
81
82
89
95
91
88
89
67
40
14
12
10
11
9
7

Low Clouds (% Sky Obscured)

0
11
24
36
35
35
33
23
14
4
3
1
0
0
0
0
3
5
7
9
10
11
8
7

Medium Clouds (% Sky Obscured)

0
3
6
9
7
3
0
0
1
40
42
44
27
24
20
16
12
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
28
25
29
15
27
34
46
66
74
82
89
95
91
88
89
67
40
13
9
4
0
0
0

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
1
0
0
1
2
0
1
1
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
12
12
11
12
12
12
11
11
11
12
12
12
12
12
13
13
13
13
13
13
13
13

Relative Humidity (%)

87
89
90
90
89
90
93
90
84
80
78
78
77
75
75
74
74
77
79
81
83
83
86
86

Pressure (mb)

1028
1029
1029
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030
1029
1029

Ozone (du)

350
346
345
344
340
338
335
334
332
331
328
327
327
328
329
330
332
331
330
328
328
327
326
325

Saturday 4

Waning Gibbous 85%

23:48

09:40

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

Sun - Rise: 04:58, Set: 21:47, Transit: 13:23. Moon - Rise: 23:48, Set: 09:40. Civil Dark: 22:38 - 04:07. Nautical Dark: 00:05 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
18
30
42
34
25
17
40
61
68
57
47
39
43
49
57
57
46
43
44
41
42
40
38

Low Clouds (% Sky Obscured)

5
15
26
37
34
25
17
40
61
67
50
37
28
39
46
46
43
39
43
40
37
38
35
32

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7

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
6
6
4
17
23
28
23
18
5
4
6
0
0
0
0
0
0
0
0
1
0
3
4

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
16
16
17
17
18
18
19
19
18
18
18
18
18
17
17
16
16

Feels Like (°C)

12
11
11
11
11
12
12
12
13
14
15
15
15
16
18
18
18
18
18
18
18
18
19
18

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
87
89
89
89
90
87
85
82
78
75
71
71
70
70
69
69
70
72
73
75
79

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030

Ozone (du)

324
323
323
324
325
324
323
322
320
319
317
316
315
313
313
312
311
311
311
310
311
311
312
312

Sunday 5

Waning Gibbous 77%

23:58

10:57

Sun - Rise: 04:59, Set: 21:47, Transit: 13:23. Moon - Rise: 23:58, Set: 10:57. Civil Dark: 22:38 - 04:08. Nautical Dark: 00:04 - 02:44. 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 Holyhead, Anglesey, United Kingdom (53.30,-4.65)

Generated: 29/06/26 00:21:16. Forecast: 29/06/26 to 05/07/26. Timezone: UTC+1.00