Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Crescent 40%

12:11

00:24

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

Sun - Rise: 04:55, Set: 21:49, Transit: 13:22. Moon - Rise: 12:11, Set: 00:24. Civil Dark: 22:40 - 04:04. Nautical Dark: 00:10 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
82
78
99
99
100
99
100
100
100
99
99
100
100
100
100
100
89
74
75
50
0
11
6

Low Clouds (% Sky Obscured)

48
51
64
69
87
93
91
87
89
85
82
89
83
82
80
80
69
55
39
14
15
0
3
2

Medium Clouds (% Sky Obscured)

26
45
62
44
64
95
96
61
68
99
96
97
90
99
94
100
100
41
0
0
4
0
0
0

High Clouds (% Sky Obscured)

4
7
45
45
50
40
43
75
100
100
73
78
100
88
100
100
100
84
48
41
14
0
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
9
9
9
9
9
9
9
9
9

Fog (%)

2
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
9
6
6
12
35
38
39
39
54
49
64
71
57
25
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
95
95
92
90
87
83
83
86
87
89
92
93
93
90
89
86
86
89
89

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

296
297
298
298
299
301
304
307
309
310
309
308
306
307
308
311
316
319
325
330
334
336
335
335

Tuesday 1

Waxing Crescent 50%

13:25

00:32

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

Sun - Rise: 04:56, Set: 21:48, Transit: 13:22. Moon - Rise: 13:25, Set: 00:32. Civil Dark: 22:40 - 04:05. Nautical Dark: 00:08 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
64
37
15
22
46
62
64
69
65
67
64
24
12
5
0
0
0
0
0
28
37
45
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
19
60
61
54
24
12
3
0
0
0
0
0
18
37
45
53

Medium Clouds (% Sky Obscured)

0
10
12
12
16
32
38
47
45
37
45
31
0
2
2
0
0
0
0
0
0
7
9
31

High Clouds (% Sky Obscured)

0
15
5
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)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
9
33
49
30
3
1
0
0
0
0
0
0
2
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
9
9
9
9
9
9
10
10
11
10
10
9
9
10
10
10
11
11
11

Relative Humidity (%)

87
87
84
84
86
86
85
84
81
74
70
71
73
74
70
69
65
64
65
68
72
76
82
84

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026

Ozone (du)

333
331
333
333
334
335
338
342
349
354
358
361
365
366
367
365
365
359
356
357
358
359
360
358

Wednesday 2

First Quarter 59%

14:38

00:40

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

Sun - Rise: 04:57, Set: 21:48, Transit: 13:23. Moon - Rise: 14:38, Set: 00:40. Civil Dark: 22:39 - 04:06. Nautical Dark: 00:07 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
45
69
100
100
100
97
81
76
76
73
8
43
7
2
3
0
0
0
0
10
17
23
88

Low Clouds (% Sky Obscured)

49
45
46
49
46
34
42
14
8
0
0
0
0
0
0
0
0
0
0
0
10
17
23
34

Medium Clouds (% Sky Obscured)

28
12
38
49
61
100
89
48
43
43
36
3
3
2
2
3
0
0
0
0
0
1
1
11

High Clouds (% Sky Obscured)

65
7
68
100
100
54
55
55
54
55
25
5
33
2
0
0
0
0
0
0
0
1
1
37

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 (%)

1
0
0
0
0
2
0
1
0
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)

4
4
3
3
3
3
3
4
5
5
5
6
6
7
9
9
8
7
8
10
10
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
11
11
11
11
11
11
11
11
11
10
10
10
10
11
10
10
10
11
11
11

Relative Humidity (%)

84
86
86
84
86
89
89
89
87
82
78
75
74
70
69
68
67
68
67
67
69
78
80
82

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

358
357
356
357
358
360
361
360
359
357
356
354
355
356
360
367
366
366
366
367
368
360
354
349

Thursday 3

Waxing Gibbous 69%

15:52

00:49

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

Sun - Rise: 04:58, Set: 21:47, Transit: 13:23. Moon - Rise: 15:52, Set: 00:49. Civil Dark: 22:38 - 04:07. Nautical Dark: 00:05 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
57
44
83
94
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

38
42
42
39
37
25
12
0
3
5
8
9
12
15
29
41
59
58
65
91
94
97
100
96

Medium Clouds (% Sky Obscured)

21
32
33
39
47
51
67
85
89
91
96
95
84
95
95
96
97
78
97
100
100
73
76
95

High Clouds (% Sky Obscured)

56
57
44
29
6
44
72
100
100
100
100
100
100
100
91
82
74
66
63
61
5
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
6
5

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

Precipitation Probability (%)

0
0
0
2
0
2
4
3
6
8
13
24
23
23
30
40
50
61
70
71
80
85
84
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.6
0.7
0.7
0.4

Wind Speed/Direction (mph)

10
10
11
10
9
8
10
11
13
15
18
21
23
25
26
26
25
25
25
25
24
24
24
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
84
86
89
87
86
86
86
83
79
78
77
77
77
78
78
80
82
84
89
90
90
89

Pressure (mb)

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

Ozone (du)

346
342
339
337
335
334
332
332
330
328
326
326
324
324
324
324
323
322
323
325
326
326
326
329

Friday 4

Waxing Gibbous 77%

17:07

00:59

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

Sun - Rise: 04:59, Set: 21:47, Transit: 13:23. Moon - Rise: 17:07, Set: 00:59. Civil Dark: 22:37 - 04:08. Nautical Dark: 00:03 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
97
98
99
100
100
100
99
100
100
100
99
97
96
95
94
93
96
99
100
94
89
83
88

Low Clouds (% Sky Obscured)

93
89
93
96
100
99
99
98
97
96
95
92
88
82
76
72
65
73
83
91
90
89
83
86

Medium Clouds (% Sky Obscured)

36
28
28
31
34
45
47
57
73
91
100
90
84
77
74
70
65
58
54
39
42
44
47
46

High Clouds (% Sky Obscured)

0
0
0
0
1
21
34
31
25
22
25
29
20
0
0
0
0
10
20
45
33
18
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

47
25
24
22
41
28
26
30
27
27
35
32
31
48
62
45
26
58
83
95
95
95
95
78

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0.5
0.9
1
0.9
0.7
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
98
98
98
98
96
96
95
95
96
93
95
95
93
92
90
87
89
90
93

Pressure (mb)

1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005
1004
1003
1003
1002
1002
1001

Ozone (du)

331
335
338
338
335
332
330
330
329
329
329
336
337
336
337
343
349
355
356
358
360
361
361
362

Saturday 5

Waxing Gibbous 85%

18:24

01:13

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

Sun - Rise: 05:00, Set: 21:46, Transit: 13:23. Moon - Rise: 18:24, Set: 01:13. Civil Dark: 22:36 - 04:10. Nautical Dark: 00:02 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
99
99
98
98
98
97
97
96
96
96
94
92
92
90
85
35
47
69
98
99
100
100
100

Low Clouds (% Sky Obscured)

85
84
81
79
77
74
71
67
68
72
75
73
69
66
62
65
35
47
65
61
69
71
72
76

Medium Clouds (% Sky Obscured)

43
38
36
36
36
37
38
45
48
53
65
71
77
80
75
71
35
47
55
56
65
79
93
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
8
17
25
42
70
95
76

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

Precipitation Probability (%)

58
30
37
43
48
40
32
20
21
21
16
22
25
24
24
27
20
31
37
50
55
63
73
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.2
0.3
0.3

Wind Speed/Direction (mph)

14
13
13
15
17
19
19
18
18
17
17
17
16
16
16
15
15
15
14
14
13
12
11
11

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
14
14
14
14
15
15
15
15
15
15
15
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
92
95
95
93
93
92
92
92
90
87
84
82
79
77
75
74
74
71
73
74
75

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

362
363
363
361
360
358
361
364
367
367
366
366
367
368
369
368
367
366
366
366
366
370
373
377

Sunday 6

Waxing Gibbous 91%

19:39

01:33

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:01, Set: 21:45, Transit: 13:23. Moon - Rise: 19:39, Set: 01:33. Civil Dark: 22:36 - 04:11. Nautical Dark: 00:00 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
98
97
97
98
99
100
99
99
99
85
75
74
76
71
75
74
73
72

Low Clouds (% Sky Obscured)

74
72
73
72
69
72
79
87
88
90
92
82
75
69
71
71
75
73
71
70

Medium Clouds (% Sky Obscured)

90
89
82
75
69
67
69
73
76
79
82
76
69
67
70
71
74
66
62
54

High Clouds (% Sky Obscured)

57
52
38
25
11
15
18
22
22
18
18
10
6
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

62
44
46
46
45
65
80
92
85
77
68
57
47
34
27
19
7
7
5
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
10
10
11
11
11
11
10
9
10
9
9
9
10

Relative Humidity (%)

78
80
83
81
81
80
81
84
84
86
87
87
82
74
68
69
68
67
69
73

Pressure (mb)

1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1007

Ozone (du)

377
377
377
380
383
387
387
388
388
388
387
387
384
381
377
376
375
374
371
369

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

Generated: 30/06/25 23:13:01. Forecast: 30/06/25 to 06/07/25. Timezone: UTC+1.00