Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

04:03

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 Bad

Sun - Rise: 05:35, Set: 20:59, Transit: 13:18. Moon - Rise: 04:03, Set: 16:54. Civil Dark: 21:38 - 04:56. Nautical Dark: 22:30 - 04:03. Astro Dark: 23:40 - 02:52

Total Clouds (% Sky Obscured)

52
57
25
15
71
68
60
73
56
61
48
38
71
100
100
100
100
100
100
100
100
100
99
94

Low Clouds (% Sky Obscured)

19
0
0
11
40
40
44
55
56
61
44
38
55
49
51
51
71
68
71
69
63
61
63
56

Medium Clouds (% Sky Obscured)

29
0
25
0
36
34
27
30
0
0
0
2
15
82
100
100
100
99
100
100
100
100
99
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
48
4
70
100
100
100
100
100
100
100
100
65
75
26

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
1
37
42
41
44
41
45
37
31
33
18
26
29
28
40
52
61
64
62
67
72
63
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

26
25
26
28
28
27
27
27
28
28
29
28
28
28
27
26
26
26
25
25
24
23
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
6
6
5
4
3
4
3
2
3
3
2
3
1
2
2
1
2
2
2
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

74
75
76
76
77
78
80
81
81
78
76
74
72
71
72
73
73
78
78
76
76
76
77
78

Pressure (mb)

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

Ozone (du)

421
423
423
420
420
421
422
424
422
424
425
427
424
424
421
421
418
417
418
416
416
414
415
417

Thursday 14

Waning Crescent 3%

04:21

18:19

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 OK
14 OK
15 Bad

Sun - Rise: 05:34, Set: 21:00, Transit: 13:18. Moon - Rise: 04:21, Set: 18:19. Civil Dark: 21:40 - 04:54. Nautical Dark: 22:32 - 04:01. Astro Dark: 23:44 - 02:48

Total Clouds (% Sky Obscured)

95
81
46
76
57
56
43
35
34
50
64
72
84
73
56
61
98
99
99
96
46
43
40
69

Low Clouds (% Sky Obscured)

60
63
46
58
57
45
41
35
34
50
58
58
84
73
56
61
63
61
57
61
46
34
37
66

Medium Clouds (% Sky Obscured)

90
62
2
30
2
22
6
0
0
0
17
30
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
46
50
50
45
0
17
40
60

ISS Passover

Visibility (miles)

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

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 (%)

59
50
29
21
23
20
10
13
9
17
18
21
23
11
19
25
22
6
4
3
2
0
0
3

Precipitation Amount (mm)

0.4
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)

24
24
24
23
22
21
22
23
22
22
22
21
21
21
20
19
19
18
17
17
17
17
17
16

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

2
3
3
5
5
5
5
5
5
5
5
5
5
5
5
6
5
5
5
5
6
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

78
77
76
80
77
77
76
72
71
71
71
72
72
72
73
76
77
77
73
66
66
65
64
62

Pressure (mb)

1007
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

422
424
425
422
423
423
425
427
425
422
417
413
413
414
417
419
419
418
419
418
412
408
403
399

Friday 15

Waning Crescent 0%

04:44

19:49

16 OK
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: 05:33, Set: 21:02, Transit: 13:18. Moon - Rise: 04:44, Set: 19:49. Civil Dark: 21:41 - 04:53. Nautical Dark: 22:34 - 03:59. Astro Dark: 23:47 - 02:44

Total Clouds (% Sky Obscured)

41
76
79
83
78
75
95
100
96
99
99
92
99
97
96
99
90
97
100
100
100
97
94
92

Low Clouds (% Sky Obscured)

20
70
59
49
53
30
67
59
63
60
96
48
89
94
90
69
67
89
78
76
61
69
76
84

Medium Clouds (% Sky Obscured)

0
3
20
78
74
75
90
100
91
98
83
90
97
93
89
83
49
83
98
100
99
92
84
79

High Clouds (% Sky Obscured)

19
57
63
73
75
75
8
10
10
8
0
0
0
0
0
37
50
57
73
100
100
82
49
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
2
0
0
1
8
11
27
34
45
35
20
24
36
37
44
32
15
22
33
33
33
40
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
64
62
66
68
69
68
68
73
76
76
73
72
72
76
80
80
77
75
72
73
80
84
87

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

393
390
388
387
385
385
384
382
381
381
382
383
383
382
382
383
384
385
386
386
386
387
392
393

Saturday 16

New Moon 1%

05:17

21:22

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: 05:31, Set: 21:03, Transit: 13:18. Moon - Rise: 05:17, Set: 21:22. Civil Dark: 21:43 - 04:51. Nautical Dark: 22:36 - 03:57. Astro Dark: 23:51 - 02:41

Total Clouds (% Sky Obscured)

83
77
69
73
76
80
87
93
100
100
100
87
98
96
94
97
98
100
100
98
91
99
97
87

Low Clouds (% Sky Obscured)

71
58
44
47
50
53
51
49
47
46
47
44
39
33
30
53
58
63
59
54
56
50
51
49

Medium Clouds (% Sky Obscured)

67
54
29
28
27
26
70
88
100
100
100
38
95
96
94
97
98
100
100
92
84
98
96
73

High Clouds (% Sky Obscured)

0
0
0
24
12
52
65
82
100
100
100
69
78
67
45
45
55
55
55
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Light Rain
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

Precipitation Probability (%)

67
37
38
46
33
13
24
23
30
33
32
32
29
24
25
42
30
34
32
38
48
54
55
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
11
11
11
10
10
10
10
10
10
11
11
10
10
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
92
87
89
90
86
84
85
84
83
81
81
81
78
77
78
74
76
72
68
66
71
75
73

Pressure (mb)

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

Ozone (du)

393
400
404
398
396
396
397
397
398
400
403
411
414
416
418
419
422
427
432
433
432
429
429
430

Sunday 17

Waxing Crescent 5%

06:05

22:50

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: 05:30, Set: 21:04, Transit: 13:18. Moon - Rise: 06:05, Set: 22:50. Civil Dark: 21:44 - 04:50. Nautical Dark: 22:38 - 03:55. Astro Dark: 23:55 - 02:37

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
97
100
95
100
100
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

61
60
47
64
64
67
69
72
76
72
62
58
65
58
58
62
70
78
78
80
80
78
74
68

Medium Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
100
100
98
76
99
89
100
77
77
77
81
87
93
93
92
92

High Clouds (% Sky Obscured)

0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
52
79
92
91
90
93
96
98
100

ISS Passover

Visibility (miles)

9
6
8
9
8
7
8
9
7
5
8
6
7
3
4
4
5
5
6
6
6
7
7
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
Very Light Rain
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
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

50
48
51
59
70
86
85
90
95
92
91
95
86
76
63
44
43
45
45
45
46
46
50
54

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.5
0.5
0.5
0.8
0.6
0.7
0.8
0.6
0.5
0.4
0
0
0.2
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

16
17
17
18
19
18
18
19
19
20
19
18
18
18
17
16
12
14
15
16
16
17
17
17

Chance of Frost

Temperature (°C)

11
11
11
11
11
10
10
11
11
11
11
10
10
10
10
10
11
11
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
84
84
84
88
88
85
85
85
83
83
83
84
84
84
84
83
84
84
86
87
89
90

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

429
430
431
431
433
434
436
435
435
434
435
421
413
420
413
406
400
394
389
387
384
382
383
385

Monday 18

Waxing Crescent 4%

07:11

00:04

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: 05:29, Set: 21:06, Transit: 13:18. Moon - Rise: 07:11, Set: 00:04. Civil Dark: 21:46 - 04:48. Nautical Dark: 22:41 - 03:53. Astro Dark: 23:59 - 02:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
93
89
85
88
88
88
86
83
81
81
80
80
84
88
92

Low Clouds (% Sky Obscured)

63
63
60
58
59
64
66
65
67
64
64
64
70
79
88
86
83
81
69
58
53
48
41
35

Medium Clouds (% Sky Obscured)

95
94
93
77
62
57
60
57
50
56
63
60
54
41
35
28
21
16
17
18
25
18
14
6

High Clouds (% Sky Obscured)

96
92
88
90
91
95
96
92
89
65
42
18
12
6
10
16
21
25
20
15
9
12
15
15

ISS Passover

Visibility (miles)

6
7
7
7
6
5
4
6
8
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

55
55
54
60
60
58
56
50
42
35
27
32
52
70
88
81
61
23
23
22
24
21
19
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
12
12
12
12
12
12
11
11
11
11
11
11
11
11
12
12
12
12
12

Relative Humidity (%)

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

Pressure (mb)

1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014

Ozone (du)

387
388
389
390
390
390
390
391
391
391
392
393
395
391
388
385
386
388
389
387
385
382
379
375

Tuesday 19

Waxing Crescent 12%

08:31

00:58

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: 05:27, Set: 21:07, Transit: 13:18. Moon - Rise: 08:31, Set: 00:58. Civil Dark: 21:48 - 04:47. Nautical Dark: 22:43 - 03:51. Astro Dark: 00:03 - 02:29

Total Clouds (% Sky Obscured)

88
88
88
89
92
97
96
97
96
97
98
99
96
96
94
96
96
97
93
88
84

Low Clouds (% Sky Obscured)

38
41
43
48
59
65
71
77
84
76
70
64
55
51
44
47
51
55
54
50
41

Medium Clouds (% Sky Obscured)

11
16
21
25
26
30
29
37
33
24
22
16
11
6
1
1
1
1
5
8
13

High Clouds (% Sky Obscured)

15
20
30
30
40
45
44
44
39
35
42
50
38
39
43
73
75
76
78
80
81

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

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 (%)

15
11
5
6
4
3
6
7
3
11
11
5
5
9
9
12
11
2
6
4
1

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)

20
19
18
17
16
15
14
14
14
14
13
12
11
11
12
12
13
14
15
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

86
87
89
92
93
95
95
95
95
95
95
95
95
93
93
93
90
87
84
83
82

Pressure (mb)

1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

372
370
368
367
363
360
356
353
351
349
347
346
345
344
343
342
341
341
340
340
341

Forecast for Marazion, Cornwall, United Kingdom (50.13,-5.46)

Generated: 13/05/26 15:48:28. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00