Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 20%

05:10

15:08

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 OK
16 OK
17 Good
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 OK
01 OK
02 OK

Sun - Rise: 06:20, Set: 20:17, Transit: 13:18. Moon - Rise: 05:10, Set: 15:08. Civil Dark: 20:55 - 05:42. Nautical Dark: 21:42 - 04:54. Astro Dark: 22:37 - 04:00

Total Clouds (% Sky Obscured)

4
6
12
21
70
75
100
94
74
55
84
46
20
10
9
10
8
12
18
53
57
35
19
18

Low Clouds (% Sky Obscured)

0
0
0
2
4
29
80
28
19
15
19
19
20
10
7
10
8
11
17
22
18
21
18
7

Medium Clouds (% Sky Obscured)

4
6
5
9
35
39
99
78
47
42
51
15
0
0
1
1
1
1
3
27
31
15
11
18

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
9
9
9
9
9
8
8
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

12
9
7
21
30
41
41
48
56
48
40
29
14
5
3
4
9
18
8
19
9
3
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
3
3
3
3
4
11
10
13
14
14
15
15
14
14
13
11
10
9
9
9
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
1
1
1
3
4
4
4
4
4
5
5
6
6
6
6
6
6
5
4
5
5
5

Dew Point (°C)

2
2
2
1
1
3
3
3
3
2
1
1
1
1
1
2
3
4
5
5
6
6
5
5

Relative Humidity (%)

89
91
91
89
86
82
78
71
68
63
59
57
56
57
58
63
74
86
93
93
94
96
94
94

Pressure (mb)

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

Ozone (du)

505
501
498
496
493
489
482
475
472
473
475
473
463
452
440
430
421
414
411
409
405
398
389
385

Tuesday 14

Waning Crescent 12%

05:19

16:32

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

Sun - Rise: 06:17, Set: 20:19, Transit: 13:18. Moon - Rise: 05:19, Set: 16:32. Civil Dark: 20:57 - 05:39. Nautical Dark: 21:45 - 04:52. Astro Dark: 22:40 - 03:56

Total Clouds (% Sky Obscured)

22
28
27
34
37
33
46
94
100
100
100
100
100
99
95
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
7
6
26
28
26
41
83
100
100
100
100
100
93
79
77
81
50
61
90
87
92
86
100

Medium Clouds (% Sky Obscured)

22
28
27
34
34
33
45
40
48
65
54
33
37
58
74
78
86
96
92
99
100
99
99
81

High Clouds (% Sky Obscured)

0
0
0
0
4
31
46
73
98
49
16
6
18
83
68
100
100
100
89
72
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
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
None
None
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

Precipitation Probability (%)

2
0
1
2
8
18
25
31
33
24
28
27
18
34
40
31
7
3
18
70
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.1
1.3
1.1
0.7

Wind Speed/Direction (mph)

6
6
6
7
9
10
11
12
13
13
15
15
15
15
14
14
14
15
14
14
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
88
82
74
70
78
74
79
84
82
84
88
90
91
91
91
93
96
96
98

Pressure (mb)

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

Ozone (du)

383
378
378
378
376
372
370
367
366
365
365
363
362
360
357
355
354
352
352
352
351
351
350
349

Wednesday 15

Waning Crescent 6%

05:28

17:59

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:15, Set: 20:21, Transit: 13:18. Moon - Rise: 05:28, Set: 17:59. Civil Dark: 20:59 - 05:37. Nautical Dark: 21:47 - 04:49. Astro Dark: 22:44 - 03:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
99
100
100
100
100
100
100
74
63
43
34
61
98
100
35
27
45

Low Clouds (% Sky Obscured)

100
100
85
78
72
87
74
62
83
98
88
83
78
68
37
33
40
28
39
87
79
35
27
41

Medium Clouds (% Sky Obscured)

83
10
5
1
11
20
15
19
20
22
27
44
100
98
74
45
0
21
33
45
94
33
22
27

High Clouds (% Sky Obscured)

100
100
100
100
100
100
0
1
1
8
65
47
49
13
22
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
6
6
5
5
6
6
6
6
8
8
6
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

58
2
59
0
49
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

69
50
46
13
7
26
29
22
39
66
93
84
17
4
0
0
0
0
3
27
55
47
21
15

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0.3
0.7
0.7
0
0
0
0
0
0
0
0
0.2
0.2
0
0

Wind Speed/Direction (mph)

16
18
19
21
23
21
22
23
24
24
22
22
23
24
24
25
24
25
26
24
25
26
25
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

348
349
349
350
354
357
357
357
355
355
356
359
367
381
389
404
411
409
404
407
415
427
433
435

Thursday 16

Waning Crescent 2%

05:37

19:29

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

Sun - Rise: 06:13, Set: 20:23, Transit: 13:18. Moon - Rise: 05:37, Set: 19:29. Civil Dark: 21:01 - 05:34. Nautical Dark: 21:50 - 04:46. Astro Dark: 22:47 - 03:49

Total Clouds (% Sky Obscured)

25
30
23
52
86
87
86
83
76
31
15
16
65
63
66
70
72
74
76
75
70
76
82
86

Low Clouds (% Sky Obscured)

25
30
23
52
71
74
74
54
57
19
13
6
1
2
1
2
12
25
10
32
45
30
35
46

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
20
48
13
16
13
6
0
9
49
51
51
52
43
54
42
72
81
71

High Clouds (% Sky Obscured)

0
0
0
0
0
10
15
1
4
3
1
3
25
20
25
25
26
27
33
7
5
5
25
59

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 (%)

3
4
3
2
2
0
0
0
0
0
1
2
1
2
2
1
3
12
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
0
0

Wind Speed/Direction (mph)

22
21
20
20
20
20
21
21
21
21
20
20
19
19
17
15
13
11
9
7
7
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
82
80
72
66
63
63
63
66
72
74
77
82
88
90
93
91
94
91
91

Pressure (mb)

1010
1010
1011
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

437
434
427
416
410
405
400
398
396
394
390
387
383
377
374
372
371
371
371
370
368
367
367
366

Friday 17

New Moon 0%

05:47

21:04

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:10, Set: 20:25, Transit: 13:17. Moon - Rise: 05:47, Set: 21:04. Civil Dark: 21:03 - 05:32. Nautical Dark: 21:52 - 04:43. Astro Dark: 22:50 - 03:45

Total Clouds (% Sky Obscured)

91
90
80
100
98
97
90
96
97
98
98
99
100
100
100
100
96
97
98
99
99
99
100
100

Low Clouds (% Sky Obscured)

59
54
53
50
45
37
34
49
66
71
69
75
78
70
56
21
36
42
46
57
67
67
63
64

Medium Clouds (% Sky Obscured)

49
39
28
37
91
90
63
73
89
73
46
89
55
54
50
35
6
11
19
22
29
32
33
33

High Clouds (% Sky Obscured)

76
73
38
97
37
67
53
89
85
80
83
90
100
100
100
100
86
84
84
82
82
83
81
78

ISS Passover

Visibility (miles)

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

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
0
0
3
3
1
3
2
3
6
15
5
4
2
0
2
2
1
5
6
8
12
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
6
5
5
5
6
6
6
6
7
7
6
7
6
7
6
7
6
7
6
6
6

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
9
9
8

Relative Humidity (%)

91
91
93
93
91
88
85
84
80
78
81
76
73
81
80
82
85
88
91
95
95
96
96
96

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

366
367
367
369
370
370
370
372
373
375
376
378
379
379
377
376
379
381
383
385
387
389
390
391

Saturday 18

Waxing Crescent 2%

06:01

22:42

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:08, Set: 20:26, Transit: 13:17. Moon - Rise: 06:01, Set: 22:42. Civil Dark: 21:05 - 05:29. Nautical Dark: 21:55 - 04:40. Astro Dark: 22:54 - 03:41

Total Clouds (% Sky Obscured)

100
100
99
99
93
87
82
84
84
80
64
51
41
49
58
67
67
68
71
75
79
83
68
49

Low Clouds (% Sky Obscured)

59
71
83
94
85
76
67
66
67
66
64
51
41
36
22
12
24
38
53
64
75
83
68
49

Medium Clouds (% Sky Obscured)

29
25
10
10
10
11
26
36
46
52
46
34
35
49
58
67
67
68
71
63
58
59
39
20

High Clouds (% Sky Obscured)

76
67
59
55
44
30
16
29
42
54
62
51
41
49
45
35
25
15
15
16
11
7
7
6

ISS Passover

Visibility (miles)

6
6
7
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

None
None
Very 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
None
None
None
None

Precipitation Probability (%)

7
40
60
79
84
83
77
72
56
37
33
27
20
11
16
3
9
18
11
19
24
30
28
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
95
87
78
71
67
63
60
60
60
61
63
68
70
73
75
78
82
86
91
93

Pressure (mb)

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

Ozone (du)

392
393
392
391
390
389
388
388
388
388
389
389
389
389
389
390
391
393
396
398
401
405
408
407

Sunday 19

Waxing Crescent 7%

06:21

00:20

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

Sun - Rise: 06:06, Set: 20:28, Transit: 13:17. Moon - Rise: 06:21, Set: 00:20. Civil Dark: 21:07 - 05:27. Nautical Dark: 21:57 - 04:37. Astro Dark: 22:57 - 03:37

Total Clouds (% Sky Obscured)

32
28
26
26
27
28
30
34
41
45
55
66
77
59
41
25
32
40
45
49
52
53

Low Clouds (% Sky Obscured)

32
28
26
26
27
28
30
34
41
44
36
29
23
24
24
25
27
30
32
35
34
37

Medium Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
0
0
11
24
36
25
14
3
5
7
11
7
4
0

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
5
8
13
18
23
22
20
9
2
2
1
1
4
7
10

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 (%)

15
5
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
4

Relative Humidity (%)

94
96
94
94
94
84
77
69
66
61
58
58
59
59
64
68
73
78
84
91
88
88

Pressure (mb)

1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

406
406
403
401
399
398
397
396
396
396
396
396
396
396
397
399
400
398
396
394
394
394

Forecast for Foxdale, Isle of Man (54.18,-4.63)

Generated: 13/04/26 03:14:24. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00