Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 74%

02:36

08:33

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

Sun - Rise: 05:30, Set: 20:15, Transit: 12:53. Moon - Rise: 02:36, Set: 08:33. Civil Dark: 20:53 - 04:53. Nautical Dark: 21:41 - 04:05. Astro Dark: 22:39 - 03:03

Total Clouds (% Sky Obscured)

49
47
41
32
37
28
40
46
59
18
44
25
30
4
42
7
18
0
0
3
7
40
40
50

Low Clouds (% Sky Obscured)

38
31
32
37
40
30
42
49
63
17
24
0
0
0
27
6
21
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
25
3
0
0
0
0
0
0
18
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
5
69
70
70
3
1
0
0
0
0
4
9
70
70
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
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
6
4
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
9
11
14
15
15
16
16
17
17
16
14
11
8
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

6
6
6
8
10
12
13
13
14
14
14
14
14
14
14
13
11
10
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
93
87
77
72
69
69
69
69
66
68
70
75
80
88
88
88
87
90
93
95
95

Pressure (mb)

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

Ozone (du)

442
442
446
448
449
448
441
437
436
438
436
439
439
440
444
441
437
435
435
430
424
423
425
426

Tuesday 30

Waning Gibbous 64%

03:08

09:49

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:29, Set: 20:17, Transit: 12:53. Moon - Rise: 03:08, Set: 09:49. Civil Dark: 20:54 - 04:51. Nautical Dark: 21:43 - 04:02. Astro Dark: 22:42 - 02:59

Total Clouds (% Sky Obscured)

45
45
45
70
93
100
98
96
96
100
99
98
100
100
100
100
100
98
88
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
6
14
15
15
15
42
35
74
77
71
58
41
33
46
45
45
46
11
3
21
31
28

Medium Clouds (% Sky Obscured)

40
3
45
54
80
99
99
92
90
66
99
92
68
84
81
100
89
48
35
62
100
64
100
74

High Clouds (% Sky Obscured)

75
75
75
81
22
75
96
37
60
55
0
3
43
44
100
100
100
86
83
98
88
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
6
9
9
9
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
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
16
17
28
21
32
43
42
46
50
56
40
27
16
21
4
0
0
0
4
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
8
10
11
12
13
13
11
11
11
12
10
9
7
6
6
4
4
3
3
3

Chance of Frost

Temperature (°C)

8
8
8
10
12
14
15
15
15
15
15
14
14
14
14
14
13
13
13
12
12
11
10
10

Feels Like (°C)

6
6
6
7
9
11
12
12
12
12
13
12
11
11
11
11
11
12
12
12
11
10
10
9

Dew Point (°C)

8
8
7
8
10
12
13
14
15
14
14
13
14
13
13
13
13
13
12
12
11
11
10
10

Relative Humidity (%)

95
96
95
91
86
90
92
92
95
93
93
93
95
95
95
96
96
98
96
98
96
98
96
96

Pressure (mb)

1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

428
427
423
420
418
420
420
421
420
421
422
419
421
420
417
414
413
413
415
416
417
416
415
414

Wednesday 1

Third Quarter 53%

03:31

11:14

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:27, Set: 20:18, Transit: 12:52. Moon - Rise: 03:31, Set: 11:14. Civil Dark: 20:56 - 04:49. Nautical Dark: 21:45 - 03:57. Astro Dark: 22:46 - 02:56

Total Clouds (% Sky Obscured)

84
91
100
84
86
86
83
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
29
41
50
65
53
67
48
39
53
60
60
59
51
61
77
71
75
76
80
96
96
95
93

Medium Clouds (% Sky Obscured)

71
81
70
71
70
75
59
76
100
96
97
66
57
72
60
100
100
100
100
100
98
100
89
98

High Clouds (% Sky Obscured)

74
62
100
69
60
3
70
100
46
100
100
93
70
80
93
100
100
100
100
100
93
95
62
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
1
1
9

Fog (%)

0
41
41
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
4
12
14
11
13
14
39
31
61
89
95
93
77
64
70
62
82
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1
0.6
0.4
0.3
0.4
0.2
0.3
0.4

Wind Speed/Direction (mph)

2
2
2
2
1
2
3
5
6
7
8
8
8
8
8
6
3
5
5
6
6
6
7
7

Chance of Frost

Temperature (°C)

10
10
9
10
13
15
16
16
15
16
16
16
16
15
14
13
13
12
12
12
12
11
11
11

Feels Like (°C)

9
9
8
9
13
14
15
16
15
15
14
15
14
14
12
12
11
11
10
9
9
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
93
90
86
83
77
78
77
78
81
83
85
89
93
96
98
98
96
98
96
98
96

Pressure (mb)

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

Ozone (du)

412
411
410
407
407
409
411
410
410
410
409
407
405
404
403
400
399
397
395
394
392
390
389
388

Thursday 2

Waning Crescent 41%

03:48

12:42

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:25, Set: 20:20, Transit: 12:52. Moon - Rise: 03:48, Set: 12:42. Civil Dark: 20:58 - 04:47. Nautical Dark: 21:47 - 03:55. Astro Dark: 22:49 - 02:52

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

93
92
92
94
97
100
100
100
100
100
100
100
91
83
74
79
85
90
91
92
93
88
84
80

Medium Clouds (% Sky Obscured)

100
100
100
100
99
99
92
83
77
80
84
86
85
85
84
87
83
63
49
46
46
50
53
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
92
83
75
76
71
7
25
62
66
70
30
56
31
54
70
53
88
100

ISS Passover

Visibility (miles)

9
6
2
1
2
1
1
2
1
2
2
4
5
4
5
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
76
39
40
45
52
61
60
54
56
54
39
41
45
46
56
53
41

Precipitation Amount (mm)

0.8
1.3
1.6
1.7
1.5
1.4
0.8
0.4
0
0
0
0.2
0.4
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
7
7
8
9
10
10
11
12
13
13
14
15
14
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
9
10
11
11
12
12
12
12
11
11
11
10
9
9
8
7
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
98
100
98
98
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

385
383
383
383
384
384
384
384
385
385
384
384
381
379
377
377
378
377
377
378
379
378
379
377

Friday 3

Waning Crescent 30%

04:02

14:09

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
00 Bad
01 Bad
02 Bad
03 OK

Sun - Rise: 05:23, Set: 20:21, Transit: 12:52. Moon - Rise: 04:02, Set: 14:09. Civil Dark: 21:00 - 04:45. Nautical Dark: 21:50 - 03:53. Astro Dark: 22:52 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
97
97
97
98
99
100
95
96
97
96
95
94
76
58
41

Low Clouds (% Sky Obscured)

80
77
75
68
61
54
57
60
63
62
59
55
46
40
35
76
59
43
55
67
76
72
66
60

Medium Clouds (% Sky Obscured)

99
100
100
99
97
96
95
93
93
94
95
96
94
92
89
35
45
45
39
28
17
11
6
3

High Clouds (% Sky Obscured)

100
100
100
100
100
100
92
82
79
75
66
50
67
82
100
74
78
88
71
55
44
36
16
0

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

Precipitation Probability (%)

48
50
43
52
49
45
56
63
69
61
61
53
49
35
10
11
12
11
10
8
3
13
11
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
14
14
15
15
15
16
16
15
14
15
16
15
14
12
9
7
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

11
11
10
10
11
11
12
13
14
15
15
15
15
14
13
13
13
13
12
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
95
95
95
95
93
93
92
92
92
87
86
83
84
83
84
87
90
95
95
95

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011

Ozone (du)

377
378
377
378
377
376
376
377
378
381
380
377
375
375
377
379
381
384
386
388
389
390
390
390

Saturday 4

Waning Crescent 19%

04:02

15:37

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:21, Set: 20:23, Transit: 12:52. Moon - Rise: 04:02, Set: 15:37. Civil Dark: 21:02 - 04:43. Nautical Dark: 21:52 - 03:50. Astro Dark: 22:56 - 02:45

Total Clouds (% Sky Obscured)

61
74
83
86
90
93
83
74
65
71
79
89
83
75
77
80
84
83
77
76
72
65
57
50

Low Clouds (% Sky Obscured)

57
56
52
56
59
56
45
38
31
46
63
77
64
52
48
57
65
71
69
65
64
54
45
30

Medium Clouds (% Sky Obscured)

23
43
63
68
70
78
58
41
24
38
52
61
63
67
65
65
65
65
65
65
65
65
65
60

High Clouds (% Sky Obscured)

7
14
23
22
19
19
25
31
37
43
58
80
85
90
90
95
95
95
95
95
90
88
80
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4

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

Precipitation Probability (%)

1
1
0
8
5
4
36
51
60
79
94
95
95
95
95
95
91
89
95
95
95
95
92
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.9
1
1.1
1.1
0.8
0.7
0.6
0.9
1.1
1.2
0.9
0.7
0.7

Wind Speed/Direction (mph)

6
5
5
5
5
6
7
8
10
12
11
11
11
10
11
11
11
10
10
10
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
88
81
75
74
75
75
80
87
95
95
96
96
96
96
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

390
392
394
396
397
399
400
399
397
396
398
399
401
402
403
404
404
405
405
405
404
404
406
409

Sunday 5

Waning Crescent 10%

04:16

17:04

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 OK
22 OK
23 OK
00 Good

Sun - Rise: 05:20, Set: 20:25, Transit: 12:52. Moon - Rise: 04:16, Set: 17:04. Civil Dark: 21:03 - 04:41. Nautical Dark: 21:54 - 03:48. Astro Dark: 22:59 - 02:42

Total Clouds (% Sky Obscured)

60
65
70
80
85
80
75
60
45
37
29
27
37
49
59
47
32
17
16
14
11

Low Clouds (% Sky Obscured)

35
35
40
45
45
50
55
55
55
54
48
43
25
7
2
2
2
2
2
2
3

Medium Clouds (% Sky Obscured)

55
40
25
15
15
25
38
48
53
65
65
63
55
57
59
42
25
7
7
6
5

High Clouds (% Sky Obscured)

75
67
59
58
59
52
49
41
39
41
42
47
31
15
1
2
3
3
3
3
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

76
63
65
53
48
50
45
44
43
44
45
45
38
34
33
30
24
17
13
9
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
11
11
12
13
14
14
13
12
10
9
9
9
10
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
7
7
8
8
8
7
9
9
10
10
10
10
12
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
96
96
96
96
96
93
90
87
87
89
89
90
91
93
95
95

Pressure (mb)

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

Ozone (du)

412
410
408
407
406
405
404
404
404
404
405
406
407
404
400
396
393
390
386
384
381

Forecast for St Mary's Bay, Kent, United Kingdom (51.00,1.00)

Generated: 29/04/24 04:13:30. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00