Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 14

Waning Crescent 9%

04:09

18:33

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

Sun - Rise: 05:16, Set: 21:21, Transit: 13:20. Moon - Rise: 04:09, Set: 18:33. Civil Dark: 22:08 - 04:29. Nautical Dark: 23:16 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
91
69
68
29
34
34
37
29
26
17
22
23
15
16
45
47
94
91
100
99
90
66
90

Low Clouds (% Sky Obscured)

63
48
43
23
23
30
32
32
27
26
17
22
21
15
12
22
21
26
25
28
28
37
62
83

Medium Clouds (% Sky Obscured)

88
1
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
34
39
93
81
100
98
77
16
9

ISS Passover

Visibility (miles)

6
7
6
8
9
9
8
8
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

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 (%)

71
51
35
25
11
14
14
11
2
0
0
0
0
0
0
0
0
0
0
1
4
15
18
17

Precipitation Amount (mm)

0.5
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)

12
13
15
16
18
18
17
16
15
14
13
11
11
10
9
8
8
7
6
5
7
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
4
6
4
3
5
6
5
5
4
4
4
3
3
3
3
4
3
3
2
3
3
3

Relative Humidity (%)

70
70
64
67
57
55
63
71
72
74
77
79
84
82
81
82
86
90
89
89
78
73
67
60

Pressure (mb)

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

Ozone (du)

432
423
422
422
422
424
425
424
420
417
415
413
413
415
412
411
409
407
405
398
398
396
394
393

Friday 15

Waning Crescent 3%

04:25

20:11

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
10 Bad

Sun - Rise: 05:15, Set: 21:23, Transit: 13:20. Moon - Rise: 04:25, Set: 20:11. Civil Dark: 22:10 - 04:27. Nautical Dark: 23:19 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
76
78
73
79
86
72
74
57
70
72
72
96
96
92
93
100
96
100
100
100
99
99
97

Low Clouds (% Sky Obscured)

79
61
50
58
48
59
52
51
34
22
28
35
46
52
55
64
80
83
100
100
100
91
91
87

Medium Clouds (% Sky Obscured)

29
23
23
13
24
27
24
25
24
40
50
53
92
94
86
90
96
94
93
77
79
90
97
97

High Clouds (% Sky Obscured)

3
4
3
1
0
0
0
0
2
3
3
0
0
0
0
0
0
0
0
0
64
36
76
30

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 (%)

4
13
2
3
8
6
12
5
2
3
3
6
13
21
25
25
27
25
26
24
34
45
43
38

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)

12
12
12
12
12
11
11
10
9
7
4
2
2
1
2
2
2
2
2
2
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
55
57
60
64
66
63
65
72
82
88
91
90
93
93
93
93
91
85
81
79
77
73

Pressure (mb)

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

Ozone (du)

392
391
391
392
392
392
392
391
391
392
391
391
392
392
391
390
390
392
392
391
390
390
391
390

Saturday 16

New Moon 0%

04:50

21:52

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
10 Bad

Sun - Rise: 05:13, Set: 21:25, Transit: 13:20. Moon - Rise: 04:50, Set: 21:52. Civil Dark: 22:12 - 04:25. Nautical Dark: 23:23 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
100
99
99
63
94
57
89
82
93
83
72
68
95
91
47
52
67
100
99
95
96
97

Low Clouds (% Sky Obscured)

90
91
100
92
55
48
58
35
30
34
45
52
49
51
42
37
37
45
56
46
49
52
57
53

Medium Clouds (% Sky Obscured)

98
100
100
99
99
63
17
8
20
20
42
83
26
7
23
50
45
40
40
100
94
84
81
86

High Clouds (% Sky Obscured)

27
24
62
51
45
40
55
0
1
26
35
35
35
29
65
67
35
6
39
62
90
48
60
48

ISS Passover

Visibility (miles)

9
9
9
5
5
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
Light Rain
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 (%)

40
54
90
95
74
43
29
23
16
10
5
3
2
0
0
0
0
0
0
0
0
0
4
22

Precipitation Amount (mm)

0
0
0.7
1.2
0.3
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
6
7
9
8
9
9
9
7
5
5
6
6
6
6
6
6
6
6
6
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
84
86
93
96
98
95
93
88
90
91
93
95
93
94
96
96
96
96
96
93
90
82
78

Pressure (mb)

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

Ozone (du)

390
391
390
389
389
395
401
407
409
407
406
410
413
419
427
431
430
430
431
433
431
433
434
436

Sunday 17

Waxing Crescent 1%

05:31

23:27

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
10 Bad

Sun - Rise: 05:11, Set: 21:26, Transit: 13:20. Moon - Rise: 05:31, Set: 23:27. Civil Dark: 22:14 - 04:23. Nautical Dark: 23:26 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
100
100
100
98
95
93
93
91
87
87
83
75
93
91
90
93
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
41
48
48
52
49
42
51
49
46
23
15
8
3
6
20
42
39
32
29
45
58
75
84

Medium Clouds (% Sky Obscured)

92
100
82
88
100
95
91
86
84
74
79
70
59
41
68
71
81
31
29
25
25
20
15
15

High Clouds (% Sky Obscured)

63
76
53
28
29
28
31
30
30
2
2
17
30
37
37
33
27
29
48
65
59
41
23
33

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
35
29
39
44
45
46
66
62
54
33
18
11
6
11
28
40
25
10
5
11
23
40
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
92
93
95
90
86
88
81
93
95
95
94
96
98
96
98
98
100
98
96
94
90
87
81

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007

Ozone (du)

437
437
438
437
433
432
432
433
434
437
437
438
438
437
439
440
439
434
426
421
419
420
412
407

Monday 18

Waxing Crescent 5%

06:36

00:43

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
10 Bad

Sun - Rise: 05:10, Set: 21:28, Transit: 13:20. Moon - Rise: 06:36, Set: 00:43. Civil Dark: 22:16 - 04:21. Nautical Dark: 23:29 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
99
89
96
74
89
89
91
89
88
86
88
90
92
89
84
79
77
76
78
80
83
88
80

Medium Clouds (% Sky Obscured)

20
25
24
31
94
94
93
94
94
95
95
95
96
86
70
52
27
26
28
31
54
64
73
79

High Clouds (% Sky Obscured)

45
100
100
100
100
100
100
88
100
100
100
100
100
100
100
100
100
96
92
89
93
94
95
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
2
1
2
0
0
0
3
6
9
9
9
9
9
8
8

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

Precipitation Probability (%)

77
95
92
93
94
77
60
50
65
72
68
90
93
65
80
73
68
86
89
83
68
48
29
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
60
64
63
66
69
75
84
93
98
96
98
98
98
98
98
96
95
96
96
95
93
93
90

Pressure (mb)

1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1005
1006

Ozone (du)

404
401
398
398
393
394
395
392
389
390
391
392
390
392
393
393
393
393
394
396
397
396
394
393

Tuesday 19

Waxing Crescent 12%

08:02

01:33

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

Sun - Rise: 05:08, Set: 21:30, Transit: 13:20. Moon - Rise: 08:02, Set: 01:33. Civil Dark: 22:18 - 04:19. Nautical Dark: 23:32 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
88
85
76
73
65
72
74
79
69
56
40
53
64
69
73
76
79
80

Low Clouds (% Sky Obscured)

72
64
62
62
62
58
56
51
44
35
29
37
47
56
58
56
40
53
64
61
63
65
68
70

Medium Clouds (% Sky Obscured)

83
93
90
88
86
84
82
79
65
49
33
28
22
17
18
19
19
31
28
19
19
19
19
15

High Clouds (% Sky Obscured)

96
97
98
99
100
77
50
10
0
0
8
6
3
2
1
1
0
4
5
3
1
1
1
4

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

54
70
66
67
73
72
71
73
60
45
23
19
16
14
13
10
1
6
7
6
8
9
7
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
11
11
10
10
10
8
8
7
5
4
5
5
5
4
5
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
93
92
89
90
90
90
92
93
93
91
93
91
93
95
95
95
91
90
89
90
89

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019

Ozone (du)

395
397
399
401
404
406
408
409
411
411
411
412
408
405
402
398
393
389
381
374
366
360
353
347

Wednesday 20

Waxing Crescent 21%

09:36

02:03

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

Sun - Rise: 05:07, Set: 21:31, Transit: 13:20. Moon - Rise: 09:36, Set: 02:03. Civil Dark: 22:20 - 04:18. Nautical Dark: 23:36 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
83
89
93
97
97
97
97
83
69
51
62
74
87
83
83
84
89
94
98

Low Clouds (% Sky Obscured)

73
74
67
60
51
41
31
20
24
28
32
35
40
45
52
57
60
61
63
63

Medium Clouds (% Sky Obscured)

10
4
18
32
50
54
56
54
47
35
21
17
14
10
16
22
28
42
58
75

High Clouds (% Sky Obscured)

10
33
54
74
88
88
91
94
73
51
34
44
54
64
53
41
31
42
53
68

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
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

Precipitation Type

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

Precipitation Probability (%)

10
9
15
24
32
29
26
22
16
10
0
11
13
5
26
31
28
42
49
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
85
86
86
86
86
86
86
87
92
93
95
93
93
95
95
95
95
93

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025

Ozone (du)

345
343
340
338
336
334
336
337
338
339
339
340
340
339
339
341
342
344
345
346

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

Generated: 14/05/26 11:19:07. Forecast: 14/05/26 to 20/05/26. Timezone: UTC+1.00