Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 20%

05:17

14:58

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

Sun - Rise: 06:08, Set: 20:16, Transit: 13:13. Moon - Rise: 05:17, Set: 14:58. Civil Dark: 20:56 - 05:28. Nautical Dark: 21:46 - 04:37. Astro Dark: 22:47 - 03:36

Total Clouds (% Sky Obscured)

1
2
36
41
100
100
100
99
71
73
63
54
38
9
4
6
4
4
6
16
12
3
0
0

Low Clouds (% Sky Obscured)

0
2
36
24
58
61
64
51
36
26
23
16
6
2
0
3
0
0
6
16
12
3
0
0

Medium Clouds (% Sky Obscured)

1
2
20
27
100
70
90
98
71
73
60
54
38
5
3
4
4
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
6
7
7
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

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

Precipitation Probability (%)

0
0
0
38
68
78
70
68
61
48
21
22
11
4
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
6
10
10
11
11
11
11
10
8
6
3
3
3
3
3
3
2
2
2
1
1
1
1

Chance of Frost

Temperature (°C)

6
8
10
10
11
10
10
10
10
10
9
9
8
7
6
6
5
5
4
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
61
55
50
50
48
46
49
50
55
62
68
70
72
74
74
76
79
80
83
85
85
85
77

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

505
505
505
503
501
494
482
472
470
469
463
459
453
449
447
443
433
424
416
407
401
392
389
385

Tuesday 14

Waning Crescent 12%

05:23

16:25

09 Good
10 Good
11 OK
12 OK
13 OK
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

Sun - Rise: 06:06, Set: 20:18, Transit: 13:13. Moon - Rise: 05:23, Set: 16:25. Civil Dark: 20:58 - 05:26. Nautical Dark: 21:49 - 04:34. Astro Dark: 22:50 - 03:32

Total Clouds (% Sky Obscured)

0
4
24
31
39
53
62
100
100
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
4
24
31
39
46
62
91
95
79
80
99
86
77
60
43
54
79
57
63
91
76
73
76

Medium Clouds (% Sky Obscured)

0
0
0
19
25
37
34
38
50
77
36
47
80
94
97
99
100
98
100
100
100
56
0
20

High Clouds (% Sky Obscured)

0
0
0
2
4
10
7
56
92
54
54
54
90
100
100
100
100
100
100
100
100
100
100
76

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
3
16
5
4
16
36
50
39
30
57
79
95
95
95
29
20
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.8
0.7
0
0
0

Wind Speed/Direction (mph)

2
4
5
6
7
8
8
7
6
5
4
5
5
5
4
4
4
5
6
5
4
4
8
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
1
1
0
-0
0
1
5
7
6
7
7
8
7
7
7
8
8
9
9
10
10
10

Relative Humidity (%)

71
64
56
50
43
40
40
43
58
70
72
75
76
83
83
84
84
88
93
95
95
93
90
87

Pressure (mb)

1015
1016
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009

Ozone (du)

382
380
377
377
374
367
365
366
365
365
364
361
360
357
356
353
354
354
355
356
355
355
358
361

Wednesday 15

Waning Crescent 6%

05:30

17:54

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

Sun - Rise: 06:03, Set: 20:20, Transit: 13:13. Moon - Rise: 05:30, Set: 17:54. Civil Dark: 21:00 - 05:23. Nautical Dark: 21:52 - 04:31. Astro Dark: 22:54 - 03:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
51
37
60
76
86
72
67
89
100
86
57
57
59
47

Low Clouds (% Sky Obscured)

49
89
89
84
76
67
42
52
48
56
29
37
60
68
77
72
59
47
56
56
48
57
59
47

Medium Clouds (% Sky Obscured)

0
0
0
39
51
55
57
92
100
60
30
0
0
0
40
67
67
72
72
70
0
0
0
0

High Clouds (% Sky Obscured)

93
97
96
100
100
100
100
53
59
55
0
0
0
46
0
0
45
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
2
9
9
9
9
5
6
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

9
6
7
14
22
52
61
73
92
87
11
1
3
32
46
62
43
19
8
8
7
7
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
12
11
10
10
10
9
8
8
7
7
7
5
5
6
6
5
3
4
3
4
5

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
89
79
76
70
70
79
87
87
84
85
83
82
84
84
87
82
82
81
79
77
77

Pressure (mb)

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

Ozone (du)

360
359
359
360
358
359
362
368
376
386
395
402
402
408
418
426
430
433
436
442
442
429
421
417

Thursday 16

Waning Crescent 2%

05:37

19:27

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:01, Set: 20:22, Transit: 13:13. Moon - Rise: 05:37, Set: 19:27. Civil Dark: 21:02 - 05:20. Nautical Dark: 21:54 - 04:28. Astro Dark: 22:58 - 03:23

Total Clouds (% Sky Obscured)

52
68
69
69
63
57
55
62
69
80
88
94
100
100
100
100
100
100
100
95
91
86
91
95

Low Clouds (% Sky Obscured)

52
62
60
56
44
35
20
26
32
40
40
46
52
55
48
52
57
65
74
69
63
55
57
61

Medium Clouds (% Sky Obscured)

2
0
0
2
0
0
1
7
32
43
57
64
65
77
88
100
100
100
100
89
73
57
65
64

High Clouds (% Sky Obscured)

2
8
49
6
37
10
35
40
40
40
60
82
100
100
100
100
100
100
100
82
24
5
19
65

ISS Passover

Visibility (miles)

9
9
9
9
9
7
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 (%)

5
20
31
29
36
35
24
21
18
4
2
3
3
8
11
29
21
6
9
12
26
15
34
29

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)

17
19
19
18
19
17
17
17
16
14
12
10
9
8
8
7
8
7
7
7
7
6
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
67
66
67
62
66
66
58
63
70
76
80
80
76
76
76
74
73
77
76
77
80
82
85

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

415
412
406
401
393
389
384
380
377
374
373
371
372
373
372
369
370
370
371
375
385
390
388
391

Friday 17

New Moon 0%

05:48

21:05

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:58, Set: 20:24, Transit: 13:12. Moon - Rise: 05:48, Set: 21:05. Civil Dark: 21:05 - 05:18. Nautical Dark: 21:57 - 04:25. Astro Dark: 23:02 - 03:19

Total Clouds (% Sky Obscured)

99
99
95
73
72
77
70
63
86
70
50
50
65
100
99
98
95
90
88
91
96
100
100
100

Low Clouds (% Sky Obscured)

65
66
64
67
61
57
50
46
59
50
47
50
65
87
89
88
75
64
51
52
53
54
54
51

Medium Clouds (% Sky Obscured)

66
65
64
63
51
53
49
50
50
45
45
45
40
38
27
16
34
54
85
91
96
98
95
97

High Clouds (% Sky Obscured)

80
59
86
68
68
74
70
43
20
0
0
0
0
9
62
81
74
60
53
67
83
100
100
100

ISS Passover

Visibility (miles)

9
7
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

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 (%)

49
43
43
32
28
37
29
35
32
31
42
51
47
61
52
38
45
29
3
8
5
0
2
3

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
76
69
66
64
62
62
65
69
72
76
83
87
80
83
85
88
90
91
91
91
91
87

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

394
398
401
404
412
413
412
410
410
411
413
413
411
405
403
404
402
400
397
394
394
393
392
391

Saturday 18

Waxing Crescent 2%

06:04

22:48

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

Sun - Rise: 05:56, Set: 20:26, Transit: 13:12. Moon - Rise: 06:04, Set: 22:48. Civil Dark: 21:07 - 05:15. Nautical Dark: 22:00 - 04:21. Astro Dark: 23:06 - 03:14

Total Clouds (% Sky Obscured)

100
100
100
100
93
87
80
60
38
15
30
47
62
46
27
10
22
32
46
54
61
69
61
52

Low Clouds (% Sky Obscured)

51
46
42
38
37
36
34
27
19
12
8
4
0
0
2
2
15
28
39
48
58
69
60
51

Medium Clouds (% Sky Obscured)

100
100
100
100
77
54
30
18
10
0
10
19
28
20
11
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
89
77
64
42
21
0
5
9
14
10
1
0
1
2
3
4
4
4
4
3

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 (%)

1
6
9
7
9
11
10
12
11
11
13
10
0
0
1
2
8
8
3
6
5
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)

10
11
11
11
12
12
12
12
11
10
9
8
6
5
5
6
6
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
77
71
65
58
58
58
58
61
64
68
73
78
84
84
85
85
85
82
82
83
83
85
76

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024

Ozone (du)

391
390
394
398
402
405
408
410
410
409
408
406
405
403
401
400
398
395
392
390
387
384
381
379

Sunday 19

Waxing Crescent 7%

06:32

00:30

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

Sun - Rise: 05:53, Set: 20:28, Transit: 13:12. Moon - Rise: 06:32, Set: 00:30. Civil Dark: 21:09 - 05:12. Nautical Dark: 22:03 - 04:18. Astro Dark: 23:10 - 03:09

Total Clouds (% Sky Obscured)

43
46
48
46
44
42
39
26
14
3
17
32
47
41
33
26
32
39
45
51
61
66

Low Clouds (% Sky Obscured)

42
45
48
46
43
38
36
25
13
2
11
18
28
21
13
5
4
2
0
16
33
50

Medium Clouds (% Sky Obscured)

0
0
1
2
1
1
0
0
1
1
1
1
1
8
14
22
17
12
8
9
11
13

High Clouds (% Sky Obscured)

3
6
1
0
0
0
0
0
0
0
4
9
13
12
10
9
12
18
26
31
30
32

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
3
3
3
4
4
4
4
4
3
3
3
3
3
2
1
1
1

Relative Humidity (%)

67
61
57
55
52
53
53
54
56
59
61
66
70
74
76
79
81
80
80
79
79
78

Pressure (mb)

1024
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

377
375
374
372
371
370
370
369
369
370
370
369
369
369
369
369
369
368
368
368
368
369

Forecast for Ratho, Edinburgh, United Kingdom (55.92,-3.38)

Generated: 13/04/26 09:29:39. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00