Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 96%

No Rise

06:22

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

Sun - Rise: 05:53, Set: 20:49, Transit: 13:21. Moon - Rise: No Rise, Set: 06:22. Civil Dark: 21:30 - 05:12. Nautical Dark: 22:25 - 04:17. Astro Dark: 23:37 - 03:05

Total Clouds (% Sky Obscured)

25
34
68
64
70
52
26
22
44
47
37
54
69
72
72
62
32
13
5
6
8
7
8
7

Low Clouds (% Sky Obscured)

47
61
70
71
72
46
22
3
32
29
22
38
56
62
29
20
5
4
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
7
11
0
0
0
0
21
20
27
9
0
16
9
17
12
2
2
1
3
4
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
2
25
33
45
60
67
39
9
3
3
3
3
5
5

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
3
2
1
0
0
0
0
1
6
9
17
7
3
3
1
0
0
0
0
0
1
2

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

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
1
1
3
6
7
8
9
10
10
10
10
10
9
8
7
6
4
4

Feels Like (°C)

2
1
0
-1
-1
-1
-1
1
3
5
5
6
6
6
6
6
6
7
7
7
6
5
4
3

Dew Point (°C)

2
1
1
0
-0
-1
-0
-1
0
2
1
1
2
2
1
1
1
1
1
3
4
3
3
2

Relative Humidity (%)

86
88
89
88
86
86
89
88
80
71
64
60
59
58
55
54
54
55
57
67
77
83
88
88

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

446
444
442
442
442
441
441
441
444
446
447
448
449
450
450
451
449
448
447
447
448
448
447
446

Saturday 27

Waning Gibbous 90%

No Rise

06:47

00 OK
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
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 OK
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:51, Set: 20:51, Transit: 13:21. Moon - Rise: No Rise, Set: 06:47. Civil Dark: 21:32 - 05:09. Nautical Dark: 22:27 - 04:14. Astro Dark: 23:41 - 03:00

Total Clouds (% Sky Obscured)

7
1
2
10
17
17
34
60
64
68
88
89
95
94
90
73
65
60
57
44
16
3
6
2

Low Clouds (% Sky Obscured)

1
1
0
7
11
11
38
59
46
33
56
61
70
59
43
40
33
26
25
21
10
1
0
1

Medium Clouds (% Sky Obscured)

2
0
0
0
0
4
2
3
12
34
62
79
87
90
87
75
62
55
46
32
6
2
5
2

High Clouds (% Sky Obscured)

4
0
1
0
0
0
0
2
3
3
2
5
19
11
21
5
2
3
3
3
0
1
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
3
3
4
4
5
6
9
11
32
50
54
51
46
36
29
23
12
8
4
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
2
2
1
1
1
1
1
3
7
8
9
9
10
10
10
10
11
11
10
9
8
6
5

Feels Like (°C)

3
2
1
1
0
1
0
-0
1
6
7
7
6
7
7
7
8
9
9
10
9
7
6
4

Dew Point (°C)

1
1
0
-1
-1
-1
-1
-1
0
3
4
5
6
6
4
3
2
2
3
5
6
5
3
2

Relative Humidity (%)

88
88
88
88
88
89
88
86
80
76
74
76
78
77
67
61
57
56
57
68
77
82
83
83

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

445
445
446
446
445
443
444
444
444
442
440
439
437
437
438
440
441
441
440
442
442
444
446
447

Sunday 28

Waning Gibbous 83%

01:54

07:29

00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
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

Sun - Rise: 05:48, Set: 20:53, Transit: 13:21. Moon - Rise: 01:54, Set: 07:29. Civil Dark: 21:34 - 05:07. Nautical Dark: 22:30 - 04:11. Astro Dark: 23:46 - 02:55

Total Clouds (% Sky Obscured)

0
0
7
17
22
20
2
5
3
13
67
66
72
62
74
55
93
46
81
82
78
75
86
93

Low Clouds (% Sky Obscured)

0
0
3
8
16
14
3
3
5
17
58
41
42
69
61
53
69
20
45
25
63
59
79
82

Medium Clouds (% Sky Obscured)

0
0
5
8
6
4
0
3
0
0
0
40
39
0
33
18
60
31
60
65
55
40
55
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
2
5
4
30
29
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
7
6
9
9
4
9

Fog (%)

0
0
0
0
32
50
64
71
67
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
None
None
None
None
Very Light Rain
Light Rain
None

Precipitation Probability (%)

1
1
0
1
2
2
2
1
1
1
5
18
26
23
27
33
45
43
46
43
30
51
71
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0.2
0.7
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
3
3
2
2
2
2
3
6
8
9
10
11
11
12
12
12
12
11
10
9
8
7

Feels Like (°C)

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

Dew Point (°C)

2
1
1
1
1
1
1
1
1
3
4
4
4
3
4
5
7
6
8
9
8
8
7
7

Relative Humidity (%)

83
85
88
89
93
91
93
91
86
81
75
68
63
60
59
62
71
66
77
84
88
93
96
94

Pressure (mb)

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

Ozone (du)

449
450
451
452
452
454
454
453
455
456
458
459
459
461
461
459
455
451
448
445
443
441
442
445

Monday 29

Waning Gibbous 74%

02:53

08:31

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
23 Bad

Sun - Rise: 05:46, Set: 20:55, Transit: 13:20. Moon - Rise: 02:53, Set: 08:31. Civil Dark: 21:37 - 05:04. Nautical Dark: 22:33 - 04:08. Astro Dark: 23:51 - 02:50

Total Clouds (% Sky Obscured)

100
100
100
98
99
97
61
56
68
100
100
100
100
100
100
100
100
99
99
82
65
57
67
68

Low Clouds (% Sky Obscured)

86
78
62
69
75
73
31
31
42
52
68
90
97
100
100
100
37
66
81
76
64
44
56
60

Medium Clouds (% Sky Obscured)

82
89
95
93
58
50
52
54
68
100
100
100
100
100
97
99
99
98
97
79
57
43
43
39

High Clouds (% Sky Obscured)

43
30
15
0
0
0
0
0
0
15
40
40
40
63
74
100
82
63
45
45
45
45
46
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
6
6
5
7
9
9
7
7
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

13
11
10
12
5
6
4
9
19
36
63
83
95
95
95
95
95
95
95
91
63
30
38
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
1
1.2
1.1
0.9
0.8
0.7
0.5
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
6
6
5
5
4
6
8
11
11
10
10
10
9
7
7
7
8
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
96
94
93
93
94
91
87
83
80
80
81
85
90
88
81
85
91
95
96
96
94

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1006
1006

Ozone (du)

447
448
450
450
450
449
448
448
446
441
438
439
441
440
437
437
438
439
441
446
447
446
444
440

Tuesday 30

Waning Gibbous 64%

03:32

09:52

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
23 Bad

Sun - Rise: 05:44, Set: 20:57, Transit: 13:20. Moon - Rise: 03:32, Set: 09:52. Civil Dark: 21:39 - 05:02. Nautical Dark: 22:36 - 04:05. Astro Dark: 23:56 - 02:44

Total Clouds (% Sky Obscured)

69
75
85
95
96
98
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

60
60
65
66
69
75
83
86
71
81
98
98
97
96
96
95
92
90
88
73
57
41
49
57

Medium Clouds (% Sky Obscured)

39
48
57
65
77
88
100
99
100
100
100
100
100
98
96
93
94
96
98
97
95
95
92
90

High Clouds (% Sky Obscured)

52
58
73
83
81
77
73
84
93
58
74
100
100
95
88
82
87
91
95
75
59
43
37
32

ISS Passover

Visibility (miles)

9
8
5
5
0
4
9
9
9
9
9
6
2
9
8
8
7
8
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

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

Precipitation Probability (%)

62
76
72
95
95
73
36
48
57
67
81
95
87
95
95
70
65
56
43
37
31
25
29
30

Precipitation Amount (mm)

0.2
0.5
0.2
0.6
1.4
0.2
0
0
0.2
0.3
0.4
0.6
0.5
0.8
0.6
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
100
98
94
94
96
93
88
82
87
96
96
96
96
95
95
95
95
96
96
96
96

Pressure (mb)

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

Ozone (du)

436
435
433
433
434
436
436
435
434
432
432
432
433
431
430
429
428
429
430
431
431
431
431
431

Wednesday 1

Third Quarter 52%

03:57

11:23

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
23 Bad

Sun - Rise: 05:42, Set: 20:58, Transit: 13:20. Moon - Rise: 03:57, Set: 11:23. Civil Dark: 21:41 - 04:59. Nautical Dark: 22:39 - 04:02. Astro Dark: N/A - 02:38

Total Clouds (% Sky Obscured)

99
96
94
89
85
82
82
80
79
78
83
85
88
88
88
87
75
66
56
61
66
71
63
56

Low Clouds (% Sky Obscured)

67
73
77
82
79
79
79
77
72
71
71
73
75
78
82
86
77
70
59
50
38
27
30
31

Medium Clouds (% Sky Obscured)

88
90
89
90
80
67
57
41
28
14
26
38
50
40
32
25
26
25
25
18
10
4
6
9

High Clouds (% Sky Obscured)

29
37
41
46
34
21
8
7
7
6
4
2
1
1
2
3
17
30
43
39
39
38
32
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

29
30
30
28
32
31
26
26
24
12
17
18
17
17
19
21
17
12
4
7
6
0
2
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
95
96
96
95
93
91
89
84
82
78
76
75
74
76
78
82
86
89
93
93

Pressure (mb)

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

Ozone (du)

431
430
430
429
428
427
427
426
426
426
426
424
423
421
421
421
422
420
419
418
417
416
415
414

Thursday 2

Waning Crescent 41%

04:14

12:57

Sun - Rise: 05:40, Set: 21:00, Transit: 13:20. Moon - Rise: 04:14, Set: 12:57. Civil Dark: 21:43 - 04:57. Nautical Dark: 22:41 - 03:59. Astro Dark: 00:02 - 02:32

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Cathedral's Quarter, Belfast, United Kingdom (54.60,-5.93)

Generated: 25/04/24 23:26:13. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00