Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

Waning Crescent 6%

05:25

16:32

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
11 Bad
12 Bad

Sun - Rise: 06:17, Set: 20:13, Transit: 13:16. Moon - Rise: 05:25, Set: 16:32. Civil Dark: 20:49 - 05:40. Nautical Dark: 21:34 - 04:55. Astro Dark: 22:25 - 04:03

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
98
100
100
100

Low Clouds (% Sky Obscured)

94
75
86
83
46
53
100
100
66
78
89
91
98
100
97
93
100
78
67
61
94
87
87
62

Medium Clouds (% Sky Obscured)

93
86
60
41
80
94
97
94
89
89
91
31
23
18
14
7
18
0
16
36
32
83
100
100

High Clouds (% Sky Obscured)

52
77
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
39
0
0
1
53

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
7
7
7
7
7
9
9
9
9
9
6
9
9
9
9
3
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

62
37
26
22
21
21
25
21
25
41
49
59
32
24
34
24
44
22
6
30
55
95
95
95

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0.2
0
0.2
0
0
0
0
0
0
0
0
0.3
0.9
1.1
3.5

Wind Speed/Direction (mph)

18
19
20
13
11
10
10
10
11
13
12
12
13
14
14
14
15
17
15
18
19
18
18
20

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
12
11
11
11
11
12
12
12
12
12
12
12
12
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

9
10
9
10
11
11
11
10
10
10
11
11
11
11
10
11
11
11
11
11
10
10
11
11

Relative Humidity (%)

87
91
90
87
90
93
95
93
93
93
95
95
92
90
90
92
90
93
92
87
84
86
90
90

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

358
358
358
355
354
353
353
353
354
354
354
353
353
352
350
350
350
348
350
356
355
355
355
360

Wednesday 15

Waning Crescent 2%

05:37

17:56

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
11 Bad
12 Bad

Sun - Rise: 06:14, Set: 20:15, Transit: 13:16. Moon - Rise: 05:37, Set: 17:56. Civil Dark: 20:51 - 05:38. Nautical Dark: 21:37 - 04:52. Astro Dark: 22:28 - 04:00

Total Clouds (% Sky Obscured)

100
86
55
25
37
48
29
92
87
93
77
88
99
92
90
82
62
93
88
86
73
79
63
38

Low Clouds (% Sky Obscured)

78
51
55
25
37
48
29
69
64
78
57
49
62
59
62
64
48
40
60
63
50
55
29
20

Medium Clouds (% Sky Obscured)

100
40
0
0
3
2
0
44
31
41
18
50
50
55
67
69
54
66
37
23
30
30
23
0

High Clouds (% Sky Obscured)

100
80
0
0
0
0
0
0
0
0
12
51
87
46
45
6
0
0
2
13
0
1
6
19

ISS Passover

Visibility (miles)

5
6
4
5
6
5
7
9
9
6
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

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

Precipitation Probability (%)

95
95
69
64
44
34
15
31
59
68
49
35
40
27
19
23
24
20
31
34
36
41
36
23

Precipitation Amount (mm)

0.8
0.8
0.4
0.5
0
0
0
0
0.2
0.4
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
18
19
20
20
21
21
19
21
22
23
21
20
22
21
19
18
17
16
16
17
17
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
8
8
8
9
8
8
8
8
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

90
88
81
81
81
84
85
88
88
88
90
88
91
90
90
90
93
91
93
91
84
84
85
84

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1017

Ozone (du)

372
389
409
419
419
432
433
424
417
418
417
413
405
401
399
404
406
405
403
402
395
390
385
380

Thursday 16

Waning Crescent 1%

05:50

19:23

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
11 Bad
12 Bad

Sun - Rise: 06:12, Set: 20:17, Transit: 13:16. Moon - Rise: 05:50, Set: 19:23. Civil Dark: 20:53 - 05:36. Nautical Dark: 21:39 - 04:50. Astro Dark: 22:31 - 03:57

Total Clouds (% Sky Obscured)

71
100
100
100
100
100
100
100
100
100
99
100
100
84
100
100
100
100
100
100
100
99
98
95

Low Clouds (% Sky Obscured)

23
29
44
66
74
52
70
71
75
63
84
85
63
77
100
78
80
84
90
91
97
85
75
65

Medium Clouds (% Sky Obscured)

67
72
82
88
84
100
100
100
99
95
92
91
98
40
77
36
36
38
89
90
86
81
78
74

High Clouds (% Sky Obscured)

56
100
100
100
100
100
100
61
58
73
63
100
45
14
36
77
100
100
76
49
18
17
10
8

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
3
4
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

10
15
7
28
37
32
39
43
43
32
29
22
11
5
12
26
16
23
29
41
52
49
39
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
79
77
79
81
83
85
87
85
84
82
85
88
88
85
90
91
88
85
80
77
76
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

377
374
371
366
363
362
365
365
365
369
372
376
384
387
380
378
378
377
374
373
374
375
373
374

Friday 17

New Moon 0%

06:06

20:55

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
11 Bad
12 Bad

Sun - Rise: 06:10, Set: 20:18, Transit: 13:15. Moon - Rise: 06:06, Set: 20:55. Civil Dark: 20:55 - 05:33. Nautical Dark: 21:41 - 04:47. Astro Dark: 22:34 - 03:53

Total Clouds (% Sky Obscured)

92
89
87
91
97
100
99
98
93
70
46
98
32
93
94
86
80
62
100
99
99
97
94
94

Low Clouds (% Sky Obscured)

58
51
48
46
50
56
59
64
65
61
46
59
32
80
79
76
74
62
83
89
94
83
71
65

Medium Clouds (% Sky Obscured)

71
63
54
66
77
96
87
75
54
34
31
28
32
32
32
40
50
55
52
45
33
24
16
11

High Clouds (% Sky Obscured)

7
11
20
31
58
94
80
68
45
27
9
59
8
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

21
16
19
27
35
36
48
45
22
16
16
24
18
21
45
33
21
14
50
60
55
46
41
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
17
17
17
17
16
16
15
15
15
15
15
16
17
18
18
18
19
19
19
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
76
79
80
87
88
93
96
95
95
93
95
95
93
90
87
91
91
90
91
95
91
90

Pressure (mb)

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

Ozone (du)

376
378
378
378
377
375
376
377
382
384
387
391
395
400
398
397
399
399
399
401
401
401
401
402

Saturday 18

Waxing Crescent 2%

06:29

22:30

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
11 Bad
12 Bad

Sun - Rise: 06:08, Set: 20:20, Transit: 13:15. Moon - Rise: 06:29, Set: 22:30. Civil Dark: 20:57 - 05:31. Nautical Dark: 21:43 - 04:44. Astro Dark: 22:37 - 03:50

Total Clouds (% Sky Obscured)

96
97
93
95
93
91
94
80
60
55
67
78
79
79
80
85
90
95
95
96
97
94
92
90

Low Clouds (% Sky Obscured)

63
58
51
40
25
15
28
47
60
50
42
34
38
41
45
52
57
66
74
78
83
73
58
48

Medium Clouds (% Sky Obscured)

11
10
11
16
21
20
25
27
28
21
10
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

25
25
39
24
28
33
26
17
20
18
14
11
15
13
12
10
9
8
7
7
9
11
11
8

Precipitation Amount (mm)

0
0
0.3
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)

19
18
17
16
15
13
11
10
9
9
10
10
10
10
10
9
9
9
10
10
11
12
13
13

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
9
9
9
8
8
8
8
8
8
8
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
88
91
95
93
88
90
90
91
91
90
88
88
87
85
84
82
84
84
82
82
81

Pressure (mb)

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

Ozone (du)

399
400
400
399
399
397
395
394
394
397
399
399
400
398
396
395
395
395
395
396
397
398
398
397

Sunday 19

Waxing Crescent 7%

07:04

00:04

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

Sun - Rise: 06:06, Set: 20:22, Transit: 13:15. Moon - Rise: 07:04, Set: 00:04. Civil Dark: 20:59 - 05:29. Nautical Dark: 21:45 - 04:42. Astro Dark: 22:40 - 03:46

Total Clouds (% Sky Obscured)

82
84
89
71
48
24
16
9
8
11
9
6
13
19
25
16
8
4
6
7
7
27
47
67

Low Clouds (% Sky Obscured)

32
16
0
0
0
1
8
9
8
11
9
6
13
19
25
16
8
3
4
4
4
19
36
49

Medium 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

High Clouds (% Sky Obscured)

1
4
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

7
5
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
8
11
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
76
75
76
78
80
81
85
87
88
87
88
88
88
90
90
90
90
82
76
70
69
68

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

396
397
399
401
402
402
403
403
402
402
402
402
402
402
402
402
403
405
406
406
406
406
406
406

Monday 20

Waxing Crescent 14%

07:56

01:27

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

Sun - Rise: 06:04, Set: 20:23, Transit: 13:15. Moon - Rise: 07:56, Set: 01:27. Civil Dark: 21:01 - 05:26. Nautical Dark: 21:48 - 04:39. Astro Dark: 22:43 - 03:43

Total Clouds (% Sky Obscured)

73
79
84
78
60
49
32
20
10
22
34
38
28
17
5
7
10
12

Low Clouds (% Sky Obscured)

57
68
81
78
60
49
32
20
10
22
34
38
23
12
0
3
6
9

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
2
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
9
9
9
9
9
8
7
8
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

17
20
21
20
18
16
14
12
3
7
7
3
5
5
2
7
7
1

Precipitation Amount (mm)

0
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
7
8
9
8
9
9
9
10
9
9
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
10
11
11
12
13
11
10
9
8
7
7
7
7
7
6
6

Relative Humidity (%)

66
69
70
73
74
78
82
82
82
81
83
83
82
84
84
85
84
81

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

406
407
407
407
406
405
404
404
403
403
404
404
405
405
405
405
406
406

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 14/04/26 13:39:47. Forecast: 14/04/26 to 20/04/26. Timezone: UTC+1.00