Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 83%

01:14

07:47

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:48, Set: 20:30, Transit: 13:10. Moon - Rise: 01:14, Set: 07:47. Civil Dark: 21:08 - 05:10. Nautical Dark: 21:56 - 04:22. Astro Dark: 22:54 - 03:23

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

95
100
100
99
89
67
92
73
81
83
79
78
89
92
86
79
91
96
96
96
94
82
91
92

Medium Clouds (% Sky Obscured)

83
81
70
61
96
100
95
93
94
100
99
99
99
100
100
100
100
100
100
100
100
100
97
96

High Clouds (% Sky Obscured)

63
87
92
91
100
77
93
66
91
44
56
94
95
76
100
100
100
100
100
100
100
100
58
12

ISS Passover

Visibility (miles)

9
9
9
8
7
9
9
9
9
9
9
2
3
3
2
2
1
2
3
5
4
6
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
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

52
22
20
33
28
10
5
9
24
48
95
95
95
95
95
95
95
95
95
95
95
87
71
67

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0.8
1.1
1
1.4
2
2.7
3
1.7
1
0.8
0.7
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
1
2
3
4
5
5
5
4
5
5
3
2
1
2
2
1
1
1
1
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
93
94
91
90
90
88
88
88
96
95
93
93
93
94
96
96
94
94
96
94
91

Pressure (mb)

1004
1003
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1000
1000
1001
1001
1001
1002
1003

Ozone (du)

448
446
446
446
444
445
448
447
442
437
442
449
453
451
448
445
444
447
451
453
452
452
453
452

Sunday 28

Waning Gibbous 74%

02:13

08:48

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

Sun - Rise: 05:46, Set: 20:32, Transit: 13:10. Moon - Rise: 02:13, Set: 08:48. Civil Dark: 21:09 - 05:08. Nautical Dark: 21:58 - 04:19. Astro Dark: 22:57 - 03:19

Total Clouds (% Sky Obscured)

98
96
100
100
99
86
74
46
0
5
37
51
29
51
82
100
79
77
65
61
91
99
97
95

Low Clouds (% Sky Obscured)

88
76
89
70
71
35
32
18
0
0
8
18
27
36
39
37
32
31
41
48
50
48
71
58

Medium Clouds (% Sky Obscured)

97
92
100
100
98
77
64
4
0
0
0
2
3
17
26
45
79
72
45
19
52
63
78
91

High Clouds (% Sky Obscured)

40
45
75
40
40
50
55
51
0
5
53
60
3
5
63
94
63
65
17
6
45
60
55
55

ISS Passover

Visibility (miles)

7
8
9
8
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

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
None

Precipitation Probability (%)

61
53
50
44
28
29
22
8
2
0
0
0
0
1
1
3
3
2
3
4
2
1
2
29

Precipitation Amount (mm)

0.3
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)

10
12
11
9
12
13
15
16
15
13
10
7
7
7
7
7
7
7
7
7
8
8
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
81
80
79
76
75
76
76
78
82
85
90
91
91
91
88
88
91
90
90
85
82

Pressure (mb)

1004
1005
1006
1006
1006
1007
1008
1008
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

451
450
448
444
444
445
447
448
450
448
443
441
442
443
435
435
442
441
441
444
443
440
438
437

Monday 29

Waning Gibbous 64%

02:57

10:04

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:44, Set: 20:33, Transit: 13:10. Moon - Rise: 02:57, Set: 10:04. Civil Dark: 21:11 - 05:06. Nautical Dark: 22:00 - 04:17. Astro Dark: 23:00 - 03:16

Total Clouds (% Sky Obscured)

99
98
89
100
84
94
98
98
98
98
100
99
99
96
94
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
65
68
73
73
72
67
80
67
74
87
89
98
88
88
77
86
94
90
93
89
91
92
95

Medium Clouds (% Sky Obscured)

72
56
72
94
68
85
96
92
95
94
100
97
95
88
70
95
96
100
100
95
100
99
98
98

High Clouds (% Sky Obscured)

95
88
35
47
45
33
65
65
70
0
39
68
54
8
3
3
5
6
13
98
100
100
100
100

ISS Passover

Visibility (miles)

9
8
4
7
5
8
8
9
9
9
8
4
4
2
3
8
9
3
7
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
None
None
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

50
60
68
70
63
55
55
55
61
67
66
79
95
92
45
24
49
82
95
42
39
66
63
79

Precipitation Amount (mm)

0.3
0.4
0.4
0.5
0.2
0
0
0
0
0
0.2
0.4
0.7
0.8
0
0
0
0.4
1.5
0
0
0.3
0
0.2

Wind Speed/Direction (mph)

14
16
18
19
20
20
20
18
18
19
19
15
13
13
15
13
12
10
13
15
16
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
83
86
84
86
86
84
84
88
91
96
96
98
96
95
93
96
96
95
95
95
95
93

Pressure (mb)

1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

434
432
434
435
437
437
436
436
437
436
435
429
425
423
423
424
422
421
423
423
422
424
426
428

Tuesday 30

Waning Gibbous 53%

03:27

10:04

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:43, Set: 20:35, Transit: 13:10. Moon - Rise: 03:27, Set: 10:04. Civil Dark: 21:13 - 05:04. Nautical Dark: 22:03 - 04:14. Astro Dark: 23:04 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
86
95
94
91
96
93
98

Low Clouds (% Sky Obscured)

97
98
100
100
100
100
92
84
78
77
76
74
79
83
88
89
82
72
68
66
61
66
54
66

Medium Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
93
100
86
54
54
80
82
67
85
81
93

High Clouds (% Sky Obscured)

93
87
83
79
74
65
60
60
65
75
85
95
97
78
29
34
38
43
29
22
12
12
5
23

ISS Passover

Visibility (miles)

6
5
1
3
2
7
4
4
7
4
4
9
9
8
8
9
8
9
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
91
65
57
44
28
29
21
17
19
11
7
6
5
3

Precipitation Amount (mm)

0.4
1.1
1.4
1.5
1.3
1.2
1.3
1
1
1
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
19
18
17
16
13
11
9
8
9
7
4
4
4
3
3
3
4
3
3
3
4
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
95
96
91
87
87
88
93
95
95
96
96
96
96
96
96
96
98
95
96
90
84

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

430
432
429
428
428
429
432
431
432
431
431
431
431
431
431
431
431
430
427
424
421
418
415
413

Wednesday 1

Third Quarter 41%

03:50

11:30

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:41, Set: 20:37, Transit: 13:10. Moon - Rise: 03:50, Set: 11:30. Civil Dark: 21:15 - 05:02. Nautical Dark: 22:05 - 04:12. Astro Dark: 23:07 - 03:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
92
95
97
100
87
75
62
63
64
65
68
71
72

Low Clouds (% Sky Obscured)

70
73
73
70
65
61
53
49
27
12
3
2
35
4
31
35
41
44
50
56
62
66
67
70

Medium Clouds (% Sky Obscured)

95
100
100
100
100
95
95
100
100
48
29
20
19
41
71
67
59
60
55
50
45
29
24
19

High Clouds (% Sky Obscured)

39
8
35
61
85
93
82
64
55
63
79
91
94
97
100
87
73
60
60
45
40
25
30
35

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
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

Precipitation Probability (%)

39
68
86
90
53
27
16
11
2
1
1
0
0
0
0
9
12
12
52
72
88
82
78
74

Precipitation Amount (mm)

0
0.3
0.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.5
0.4
0.3

Wind Speed/Direction (mph)

6
6
6
5
4
3
3
3
4
3
2
3
3
3
3
3
3
3
4
5
6
7
8
10

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
10
9
9
8
8
7
7
6
6
5
5
8
10

Feels Like (°C)

8
9
8
9
9
9
9
9
9
10
9
8
7
7
6
6
5
4
3
3
2
2
5
7

Dew Point (°C)

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

Relative Humidity (%)

83
77
84
88
91
91
91
87
88
86
88
88
88
87
88
88
88
90
90
91
94
96
96
95

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

412
409
408
407
406
405
405
406
405
405
404
404
402
401
399
398
396
393
390
388
386
384
382
379

Thursday 2

Waning Crescent 29%

04:06

12:58

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:39, Set: 20:38, Transit: 13:10. Moon - Rise: 04:06, Set: 12:58. Civil Dark: 21:17 - 05:00. Nautical Dark: 22:07 - 04:09. Astro Dark: 23:10 - 03:05

Total Clouds (% Sky Obscured)

71
70
69
57
53
48
57
71
76
87
94
100
92
77
60
55
56
54
46
45
40
48
55
55

Low Clouds (% Sky Obscured)

69
66
63
49
37
25
30
40
40
50
55
50
50
50
50
55
60
65
57
58
54
52
51
47

Medium Clouds (% Sky Obscured)

29
40
51
44
42
33
43
48
59
71
82
93
63
34
3
19
31
30
24
23
23
26
29
32

High Clouds (% Sky Obscured)

40
45
50
41
34
24
30
33
36
37
33
30
30
34
41
48
49
50
50
60
65
69
73
77

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

83
90
95
86
77
69
76
81
85
81
77
72
65
55
39
37
31
24
26
26
27
30
31
26

Precipitation Amount (mm)

0.4
0.6
0.7
0.5
0.4
0.3
0.5
0.6
0.7
0.6
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
9
8
7
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
96
96
95
95
96
98
98
98
98
98
98
98
98
98
98
98
98
98
98
96
96

Pressure (mb)

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

Ozone (du)

377
376
374
373
373
374
374
374
373
373
373
373
373
373
374
374
373
371
370
369
369
369
369
369

Friday 3

Waning Crescent 19%

04:20

14:27

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:37, Set: 20:40, Transit: 13:09. Moon - Rise: 04:20, Set: 14:27. Civil Dark: 21:19 - 04:58. Nautical Dark: 22:09 - 04:07. Astro Dark: 23:14 - 03:01

Total Clouds (% Sky Obscured)

61
72
81
75
71
69
68
71
77
63
58
45
45
36
37
52
73
93
92
90
89

Low Clouds (% Sky Obscured)

53
57
63
56
49
54
56
51
41
30
18
13
8
4
1
13
24
35
34
38
35

Medium Clouds (% Sky Obscured)

48
62
73
73
70
71
66
68
68
52
39
23
15
8
0
6
13
19
26
34
41

High Clouds (% Sky Obscured)

77
77
78
74
69
70
75
75
75
75
80
80
75
75
74
77
81
89
68
47
33

ISS Passover

Visibility (miles)

9
9
9
9
8
6
5
6
8
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 (%)

31
33
32
33
33
33
31
27
21
26
28
29
24
17
4
7
5
0
4
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
95
95
95
96
95
95
95
95
96
96
95
95
95
93
91
91
90
90

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

369
370
370
371
370
369
368
367
367
366
365
364
364
363
362
362
361
361
361
361
361

Forecast for Barry, Vale of Glamorgan, United Kingdom (51.40,-3.28)

Generated: 27/04/24 10:57:47. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+1.00