Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 0%

04:26

20:11

20 OK
21 OK
22 OK
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

Sun - Rise: 05:16, Set: 21:23, Transit: 13:20. Moon - Rise: 04:26, Set: 20:11. Civil Dark: 22:10 - 04:28. Nautical Dark: 23:19 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
45
48
52
48
53
48
70
92
93
97
100
97
100
100
100
100
100
100
100
100
100
95
84

Low Clouds (% Sky Obscured)

2
1
1
1
1
1
25
54
56
83
89
92
86
90
99
100
95
91
95
98
100
67
62
64

Medium Clouds (% Sky Obscured)

10
19
35
52
48
53
48
59
82
69
84
85
88
100
99
98
98
100
100
100
97
93
26
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
69
83
92
100
100
89
90
75
30
35
65
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
4
12
26
35
33
40
57
76
79
84
85
91
95
70
46
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.4
0.5
1.3
0.3
0
0.3

Wind Speed/Direction (mph)

10
7
5
3
2
2
2
2
2
1
2
2
2
2
3
4
4
5
5
4
6
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
3
2
2
2
2
1
1
1
1
3
5
6
8
8
9
9
10
10
9
9
8

Relative Humidity (%)

69
79
86
89
89
89
91
89
83
80
77
79
86
88
91
96
96
96
96
96
96
95
90
85

Pressure (mb)

1009
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004

Ozone (du)

393
392
392
392
393
394
395
393
393
392
391
390
389
388
388
389
390
395
398
406
406
408
409
410

Saturday 16

New Moon 1%

04:51

21:52

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:14, Set: 21:25, Transit: 13:20. Moon - Rise: 04:51, Set: 21:52. Civil Dark: 22:12 - 04:26. Nautical Dark: 23:22 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
51
56
51
70
75
100
91
97
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100

Low Clouds (% Sky Obscured)

58
51
40
51
59
50
46
38
39
45
46
58
59
70
83
83
70
64
82
90
86
81
82
74

Medium Clouds (% Sky Obscured)

35
0
3
0
6
57
86
80
85
100
100
93
98
81
82
100
99
100
100
97
99
62
99
95

High Clouds (% Sky Obscured)

3
0
20
0
18
72
35
82
96
100
82
70
19
34
70
62
100
100
100
100
99
96
25
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
2
9
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

22
4
2
0
0
0
0
0
0
0
0
0
2
25
41
40
56
58
85
95
95
90
79
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.1
0.9
0.7
0.5
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
93
96
94
94
96
96
98
96
93
87
77
72
76
70
78
73
77
93
91
88
95

Pressure (mb)

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

Ozone (du)

417
421
425
430
431
432
431
431
433
434
437
438
438
437
439
438
438
436
436
437
436
435
434
431

Sunday 17

Waxing Crescent 5%

05:33

23:27

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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

Sun - Rise: 05:12, Set: 21:27, Transit: 13:20. Moon - Rise: 05:33, Set: 23:27. Civil Dark: 22:14 - 04:24. Nautical Dark: 23:25 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
88
83
80
70
72
68
64
51
35
92
85
91
92
91
89
67
80
90
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
73
81
78
70
72
68
64
51
35
20
28
40
52
58
38
36
46
55
63
71
77
86
85

Medium Clouds (% Sky Obscured)

100
88
83
11
4
0
0
0
0
0
0
38
41
45
44
44
22
38
51
100
99
99
98
98

High Clouds (% Sky Obscured)

40
45
37
2
0
0
0
0
0
0
55
29
3
0
0
5
44
63
80
100
100
100
100
100

ISS Passover

Visibility (miles)

9
8
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
8
48
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

68
35
12
10
2
1
1
1
1
0
0
0
2
4
14
13
10
12
10
11
8
10
14
35

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)

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

Chance of Frost

Temperature (°C)

9
8
8
7
7
6
6
6
5
5
5
5
7
8
9
11
12
13
12
12
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
96
96
96
96
94
93
90
88
82
76
72
64
64
71
64
64
67
74

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1008
1007
1007
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

427
422
414
413
423
427
421
417
417
414
412
411
405
404
399
395
390
387
388
388
386
387
386
385

Monday 18

Waxing Crescent 12%

06:38

00:42

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:11, Set: 21:28, Transit: 13:20. Moon - Rise: 06:38, Set: 00:42. Civil Dark: 22:16 - 04:23. Nautical Dark: 23:28 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
98
99
99
100
92
91
98
100

Low Clouds (% Sky Obscured)

93
98
95
91
87
92
96
100
89
80
70
78
85
90
89
94
92
79
67
56
57
52
40
66

Medium Clouds (% Sky Obscured)

97
97
91
86
80
76
72
70
59
40
34
69
84
44
63
92
98
96
39
97
54
37
83
92

High Clouds (% Sky Obscured)

100
99
99
100
100
100
100
100
89
57
60
80
67
55
60
45
35
53
78
90
47
50
45
47

ISS Passover

Visibility (miles)

9
9
9
9
3
3
0
1
0
0
0
0
0
3
9
4
9
8
5
6
4
9
9
6

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

49
58
59
71
72
80
84
74
67
55
34
19
24
38
63
75
82
84
81
85
83
81
87
73

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
87
91
98
98
98
100
98
98
98
98
98
96
92
90
93
86
86
80
86
87
86
90

Pressure (mb)

1005
1004
1004
1003
1002
1002
1001
1000
1000
1000
999
999
999
1000
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003

Ozone (du)

384
383
383
384
386
390
394
396
402
403
398
396
392
388
386
388
389
391
391
393
393
393
394
393

Tuesday 19

Waxing Crescent 21%

08:03

01:32

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:09, Set: 21:30, Transit: 13:20. Moon - Rise: 08:03, Set: 01:32. Civil Dark: 22:18 - 04:21. Nautical Dark: 23:32 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
90
100
100
100
100
99
99
99
100
100
92
89
83
85
87
89
81
73
66
63
62
60
73

Low Clouds (% Sky Obscured)

56
43
73
75
77
85
87
95
96
97
98
89
85
78
78
76
73
70
67
63
61
60
57
49

Medium Clouds (% Sky Obscured)

69
37
45
60
62
61
62
97
98
99
99
80
71
64
62
55
45
32
20
8
5
3
0
2

High Clouds (% Sky Obscured)

45
55
69
100
100
79
55
33
32
35
43
15
49
48
41
33
25
18
10
4
3
3
2
27

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

54
45
31
26
27
43
59
72
67
61
38
44
51
56
54
46
31
25
22
23
30
34
37
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
9
9
9
9
9
9
8
8
9
10
10
10
10
10
10
12
12
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
95
93
95
95
95
95
96
95
96
95
95
92
89
87
85
81
78
82
86
89

Pressure (mb)

1003
1004
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1008
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015
1016

Ozone (du)

396
397
396
395
393
392
388
386
383
381
379
379
373
367
362
360
357
355
353
350
347
346
344
343

Wednesday 20

Waxing Crescent 31%

09:37

02:03

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:08, Set: 21:31, Transit: 13:20. Moon - Rise: 09:37, Set: 02:03. Civil Dark: 22:20 - 04:19. Nautical Dark: 23:35 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
98
99
99
100
100
99
99
96
95
92
95
98
99
100
100
100
100
99
99
99
99
99
91

Low Clouds (% Sky Obscured)

39
27
25
24
23
33
52
66
72
80
85
86
86
87
82
77
70
79
88
98
87
76
59
54

Medium Clouds (% Sky Obscured)

9
14
15
20
26
24
23
25
30
30
26
42
58
74
81
85
88
90
91
92
84
76
68
55

High Clouds (% Sky Obscured)

56
83
88
92
99
97
94
91
73
53
31
31
34
39
60
79
97
85
73
66
67
73
81
65

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

24
12
10
6
4
5
5
2
14
18
21
22
20
10
22
31
38
51
47
40
45
41
35
28

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
95
93
93
93
95
93
93
93
95
92
89
87
86
85
82
81
79
78
81
81
82

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

342
342
342
344
345
347
347
348
348
348
348
347
346
345
344
343
341
340
347
353
360
360
360
360

Thursday 21

Waxing Crescent 42%

11:10

02:22

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: 05:06, Set: 21:33, Transit: 13:21. Moon - Rise: 11:10, Set: 02:22. Civil Dark: 22:22 - 04:17. Nautical Dark: 23:38 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
72
81
90
99
93
85
78
83
87
93
96
98
100
98
96
94

Low Clouds (% Sky Obscured)

52
48
45
39
41
43
43
52
37
21
5
21
39
58
54
49
43

Medium Clouds (% Sky Obscured)

42
29
29
28
25
23
23
22
43
61
82
76
75
72
63
57
56

High Clouds (% Sky Obscured)

49
25
50
74
99
82
65
49
59
63
75
83
92
100
98
96
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
22
12
5
0
2
1
0
0
0
0
0
0
0
1
6
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
6
6
6
7
7
8
8
8
9
9
11
13
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
96
98
98
96
96
96
95
95
95
93
87
82
77
72
67

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

358
356
354
355
355
356
356
356
355
355
354
353
353
352
351
350
349

Forecast for Knockmore, Lisburn and Castlereagh, United Kingdom (54.51,-6.07)

Generated: 15/05/26 19:48:36. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+1.00