Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 12

Waning Crescent 16%

03:48

16:54

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

Sun - Rise: 05:36, Set: 20:59, Transit: 13:18. Moon - Rise: 03:48, Set: 16:54. Civil Dark: 21:37 - 04:57. Nautical Dark: 22:29 - 04:05. Astro Dark: 23:38 - 02:54

Total Clouds (% Sky Obscured)

5
3
3
49
52
89
98
100
100
100
85
82
82
74
63
68
58
44
68
53
5
5
41
68

Low Clouds (% Sky Obscured)

0
0
3
49
52
61
63
67
81
66
39
68
64
53
50
57
44
44
51
14
0
0
0
33

Medium Clouds (% Sky Obscured)

0
0
0
0
4
72
96
100
100
100
68
37
29
26
18
16
17
0
24
22
0
0
23
33

High Clouds (% Sky Obscured)

0
0
3
0
2
16
93
100
99
40
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
8
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
4
17
34
36
46
44
31
25
24
16
18
15
26
34
30
29
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
17
19
21
23
25
26
27
27
28
27
28
28
28
28
28
27
26
26
25
25
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
7
5
3
3
3
3
3
4
3
2
3
3
3
4
5
5
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

84
83
80
79
83
78
74
74
77
80
78
78
77
73
66
65
65
65
67
72
70
72
73
77

Pressure (mb)

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

Ozone (du)

408
403
398
397
399
397
396
394
396
398
398
400
405
414
418
415
417
419
421
426
428
426
424
423

Wednesday 13

Waning Crescent 9%

04:03

18:19

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:35, Set: N/A, Transit: 13:18. Moon - Rise: 04:03, Set: 18:19. Civil Dark: 21:38 - 04:55. Nautical Dark: 22:31 - 04:03. Astro Dark: 23:42 - 02:50

Total Clouds (% Sky Obscured)

66
55
75
66
100
100
100
99
98
100
99
100
100
100
100
100
98
100
99
97
67
56
51
63

Low Clouds (% Sky Obscured)

34
43
48
59
65
64
53
67
70
67
72
51
56
62
64
58
61
87
59
67
48
53
36
61

Medium Clouds (% Sky Obscured)

32
24
35
1
100
100
100
89
88
78
96
98
98
97
98
95
96
100
99
90
53
13
39
1

High Clouds (% Sky Obscured)

0
0
0
66
78
84
100
95
71
81
90
100
100
100
100
100
50
50
48
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

35
40
41
34
23
30
31
37
35
30
38
44
43
46
57
56
57
67
58
49
43
34
25
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

27
27
26
26
28
28
27
28
28
28
27
27
26
25
25
24
24
22
23
22
21
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
3
3
2
2
1
2
2
2
2
2
3
3
3
3
3
3
3
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

77
80
77
74
74
73
72
72
67
68
71
69
72
73
74
76
77
78
80
85
81
78
78
76

Pressure (mb)

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

Ozone (du)

422
422
421
419
419
419
421
420
420
420
418
418
416
413
412
410
411
414
417
424
428
432
432
430

Thursday 14

Waning Crescent 3%

04:21

19:49

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
16 OK
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:34, Set: 21:01, Transit: 13:18. Moon - Rise: 04:21, Set: 19:49. Civil Dark: 21:40 - 04:54. Nautical Dark: 22:33 - 04:00. Astro Dark: 23:45 - 02:47

Total Clouds (% Sky Obscured)

64
58
76
71
52
67
79
78
86
77
77
55
60
70
100
97
97
59
58
33
47
48
45
43

Low Clouds (% Sky Obscured)

46
54
56
55
52
63
64
66
69
77
77
55
58
66
45
57
54
59
47
26
30
31
33
35

Medium Clouds (% Sky Obscured)

21
35
26
23
0
0
18
19
52
2
0
0
0
0
0
0
16
0
0
0
0
2
10
23

High Clouds (% Sky Obscured)

3
58
0
0
0
67
66
78
5
18
5
3
0
3
45
74
79
25
52
4
39
48
20
6

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 (%)

28
29
24
21
8
23
12
18
25
26
33
34
12
21
4
2
5
6
4
12
1
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
69
67
71
71
71
71
72
77
78
78
78
74
74
66
63
62
62
65
66
62
65
67

Pressure (mb)

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

Ozone (du)

429
432
432
429
421
418
414
411
408
407
407
407
410
411
414
410
410
407
403
398
395
393
391
388

Friday 15

Waning Crescent 0%

04:44

No Set

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:32, Set: 21:02, Transit: 13:18. Moon - Rise: 04:44, Set: No Set. Civil Dark: 21:42 - 04:52. Nautical Dark: 22:35 - 03:58. Astro Dark: 23:49 - 02:43

Total Clouds (% Sky Obscured)

50
54
57
55
73
73
71
60
82
94
95
96
97
98
99
85
69
79
77
94
91
97
95
99

Low Clouds (% Sky Obscured)

38
38
38
38
36
35
33
40
46
50
53
59
63
70
69
76
66
60
55
71
67
72
76
84

Medium Clouds (% Sky Obscured)

36
40
44
46
43
37
33
39
73
87
91
93
95
97
98
60
33
36
31
53
70
84
70
93

High Clouds (% Sky Obscured)

2
0
3
3
2
2
3
2
2
1
0
0
0
5
7
11
26
36
48
33
21
47
45
51

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 (%)

7
10
16
30
37
36
36
31
25
29
21
14
13
9
6
5
17
26
28
28
24
20
19
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
71
73
78
76
74
76
74
73
73
71
68
72
70
69
69
69
69
72
73
75
77
83

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

387
386
384
383
383
382
381
380
379
378
379
380
380
380
380
379
379
380
379
377
376
376
380
384

Saturday 16

New Moon 1%

05:17

21:22

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
16 Bad
17 Bad
18 Bad
19 Bad
20 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: 22:37 - 03:56. Astro Dark: 23:53 - 02:39

Total Clouds (% Sky Obscured)

99
94
91
73
91
95
97
54
78
64
72
71
70
49
47
72
66
60
57
60
64
73
78
78

Low Clouds (% Sky Obscured)

82
78
74
62
69
67
67
51
49
45
44
48
45
42
43
41
42
41
40
42
44
45
43
42

Medium Clouds (% Sky Obscured)

74
71
27
15
26
37
49
34
16
6
62
64
58
8
10
10
9
8
8
8
6
5
12
19

High Clouds (% Sky Obscured)

35
25
22
1
28
60
90
54
39
11
15
15
2
1
4
45
51
55
54
60
60
45
30
25

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
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

Precipitation Probability (%)

19
30
42
56
50
30
23
21
21
13
19
19
8
13
12
11
23
18
12
13
12
12
13
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
10
10
11
13
14
14
13
13
14
14
13
14
14
15
15
15
16
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
9
9
9
8
8
8
8
8
8
8
8
9
9
8
8
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

84
84
86
88
90
91
87
83
84
84
84
81
79
76
72
68
70
70
71
70
73
76
81
83

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

387
390
390
392
396
401
401
401
401
400
402
405
410
409
409
408
405
404
403
402
401
401
400
399

Sunday 17

Waxing Crescent 5%

06:04

22:51

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:30, Set: 21:05, Transit: 13:18. Moon - Rise: 06:04, Set: 22:51. Civil Dark: 21:45 - 04:49. Nautical Dark: 22:39 - 03:54. Astro Dark: 23:57 - 02:35

Total Clouds (% Sky Obscured)

81
76
72
74
76
82
88
92
93
96
96
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
39
35
25
24
28
32
30
26
23
30
42
51
56
62
64
66
72
75
67
59
51
62
73

Medium Clouds (% Sky Obscured)

24
28
38
47
56
64
71
75
81
87
79
71
68
77
85
92
93
95
96
91
84
79
86
93

High Clouds (% Sky Obscured)

10
38
65
74
58
39
23
33
53
75
83
90
100
100
100
100
99
96
94
71
59
41
53
70

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
Very Light Rain
None
None

Precipitation Probability (%)

14
12
9
4
11
11
6
8
7
4
10
7
3
10
14
16
20
23
33
40
47
52
50
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
13
13
14
14
14
14
13
13
15
16
18
18
19
20
20
20
21
21
21
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
8
9
9
9
9
9
9
9
10
10
9
9
9
9
9
9
10
10
10

Relative Humidity (%)

81
83
84
84
85
84
84
84
83
84
83
81
80
80
79
76
75
76
76
77
79
81
83
84

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

398
397
394
391
387
386
385
384
383
383
382
380
377
375
375
375
374
372
370
368
367
367
366
366

Monday 18

Waxing Crescent 12%

07:10

00:05

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:28, Set: 21:06, Transit: 13:18. Moon - Rise: 07:10, Set: 00:05. Civil Dark: 21:47 - 04:48. Nautical Dark: 22:41 - 03:52. Astro Dark: 00:01 - 02:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
92
87
83

Low Clouds (% Sky Obscured)

84
89
94
100
96
94
89
90
91
92
93
97
99
100
100
100
96
91
87
90
87
83

Medium Clouds (% Sky Obscured)

100
97
94
91
94
96
99
99
99
99
99
99
100
100
100
100
95
87
73
50
30
10

High Clouds (% Sky Obscured)

92
61
30
0
0
0
5
40
70
100
100
100
100
100
100
100
89
78
52
32
16
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

47
52
59
69
65
64
66
68
69
65
78
95
95
95
87
57
55
59
72
62
56
66

Precipitation Amount (mm)

0
0
0.2
0.3
0.3
0.2
0.3
0.3
0.3
0.3
0.4
0.7
1.2
0.8
0.5
0
0
0
0.3
0.2
0
0.3

Wind Speed/Direction (mph)

23
24
24
24
24
24
24
24
24
24
24
24
25
25
24
23
23
22
21
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
87
87
89
92
92
92
93
92
93
93
95
95
96
95
96
93
92
90
90
89

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

366
366
365
365
364
364
363
362
362
362
362
362
362
361
369
377
386
387
389
390
384
377

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 12/05/26 21:03:37. Forecast: 12/05/26 to 18/05/26. Timezone: UTC+1.00