Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 83%

No Rise

07:38

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

Sun - Rise: 05:46, Set: 20:38, Transit: 13:12. Moon - Rise: No Rise, Set: 07:38. Civil Dark: 21:17 - 05:07. Nautical Dark: 22:08 - 04:16. Astro Dark: 23:12 - 03:12

Total Clouds (% Sky Obscured)

92
93
88
96
95
96
100
98
97
91
87
65
48
40
33
26
13
41
88
79
100
100
100
100

Low Clouds (% Sky Obscured)

51
59
57
60
63
62
64
94
93
66
69
63
53
43
37
27
13
4
44
33
76
87
88
90

Medium Clouds (% Sky Obscured)

61
41
46
54
56
55
19
29
46
82
36
0
0
0
0
0
0
0
52
62
72
97
100
100

High Clouds (% Sky Obscured)

69
76
100
85
76
83
100
83
61
65
64
4
0
0
0
0
0
22
41
0
64
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
9
7
9
5

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
Very Light Rain
None
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
4
3
17
3
5
17
2
1
0
0
2
4
5
31
56
52
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.6

Wind Speed/Direction (mph)

8
6
6
6
4
3
4
6
8
9
11
12
13
12
11
11
11
10
9
8
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
1
2
3
4
5
5
5
5
5
7
6
6
7
5
5
3
4
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
96
89
81
77
68
62
57
56
58
58
61
62
70
84
90
90
93
94
94

Pressure (mb)

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

Ozone (du)

454
451
448
445
447
449
444
439
441
445
449
453
457
463
471
469
464
458
456
459
459
458
459
458

Monday 29

Waning Gibbous 74%

02:26

08:40

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:44, Set: 20:40, Transit: 13:12. Moon - Rise: 02:26, Set: 08:40. Civil Dark: 21:19 - 05:05. Nautical Dark: 22:10 - 04:14. Astro Dark: 23:16 - 03:08

Total Clouds (% Sky Obscured)

95
93
94
92
99
100
100
100
100
100
100
100
100
100
100
99
100
97
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
92
90
84
98
95
86
91
87
86
64
60
64
86
99
92
100
96
95
100
98
95
99
98

Medium Clouds (% Sky Obscured)

77
71
59
43
51
68
73
79
95
100
100
100
100
100
100
98
52
75
88
98
70
96
89
100

High Clouds (% Sky Obscured)

51
2
0
10
50
50
86
100
100
100
100
96
92
55
1
0
2
12
59
83
62
64
41
55

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

68
56
46
28
24
17
11
26
41
56
59
65
85
95
95
95
61
72
83
78
89
95
73
95

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1
0.8
0
0.3
0.5
0.5
0.6
0.7
0.2
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
94
91
87
88
84
87
88
90
93
95
96
96
93
93
95
98
98
96
96

Pressure (mb)

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

Ozone (du)

456
456
453
451
448
444
441
437
432
431
431
431
432
437
446
449
448
438
431
431
430
428
426
423

Tuesday 30

Waning Gibbous 64%

03:08

09:58

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:42, Set: 20:41, Transit: 13:12. Moon - Rise: 03:08, Set: 09:58. Civil Dark: 21:21 - 05:03. Nautical Dark: 22:13 - 04:11. Astro Dark: 23:20 - 03:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
99
98
97
98
98
99
99

Low Clouds (% Sky Obscured)

100
100
100
91
94
100
100
95
100
100
98
73
65
67
91
91
96
90
82
75
73
74
74
73

Medium Clouds (% Sky Obscured)

100
100
99
100
100
96
91
96
91
93
100
97
100
100
95
98
100
96
91
91
92
94
97
98

High Clouds (% Sky Obscured)

61
52
92
100
100
100
100
44
43
58
98
100
100
100
100
39
100
73
43
20
37
52
70
69

ISS Passover

Visibility (miles)

5
7
9
9
9
3
1
2
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

86
79
86
65
63
59
37
39
34
48
67
78
91
95
84
65
71
51
53
55
40
27
18
18

Precipitation Amount (mm)

0.5
0.4
0.6
0.3
0
0
0
0
0
0
0.3
0.5
0.6
0.7
0.6
0.2
0.4
0.2
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
11
12
10
9
12
15
14
16
16
16
15
13
12
10
7
6
5
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
7
7
7
7
7
8
7
7
6
6
6
7
7
7
6
6
7
6
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
96
96
96
98
98
96
93
90
78
62
61
61
67
69
78
90
88
90
91
93
95

Pressure (mb)

1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007

Ozone (du)

421
422
419
420
420
419
419
421
424
427
429
431
432
431
431
430
429
429
430
431
430
429
427
428

Wednesday 1

Third Quarter 53%

03:37

11:25

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:40, Set: 20:43, Transit: 13:12. Moon - Rise: 03:37, Set: 11:25. Civil Dark: 21:23 - 05:01. Nautical Dark: 22:15 - 04:08. Astro Dark: 23:24 - 03:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
89
87
87
93
96
100
100
70
99
97

Low Clouds (% Sky Obscured)

72
72
75
79
84
77
70
62
70
79
89
85
84
81
70
68
66
46
37
33
36
42
47
60

Medium Clouds (% Sky Obscured)

99
97
99
98
87
99
100
100
92
99
100
99
98
93
58
51
40
49
61
71
91
71
97
82

High Clouds (% Sky Obscured)

62
60
48
88
100
88
62
5
3
30
55
55
45
2
2
2
20
52
75
97
75
28
2
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
5
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
17
11
7
3
16
32
41
55
63
54
34
38
29
24
11
8
6
2
0
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

1
2
2
1
2
2
2
2
3
5
4
4
3
3
3
1
0
0
1
0
0
0
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
95
98
95
93
95
95
91
95
96
92
93
93
81
77
79
87
93
95
96
96
96

Pressure (mb)

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

Ozone (du)

430
431
431
432
431
429
427
425
424
424
422
420
417
415
415
412
411
410
408
406
407
404
401
399

Thursday 2

Waning Crescent 41%

03:57

12:56

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:39, Set: 20:45, Transit: 13:12. Moon - Rise: 03:57, Set: 12:56. Civil Dark: 21:25 - 04:59. Nautical Dark: 22:18 - 04:05. Astro Dark: 23:28 - 02:55

Total Clouds (% Sky Obscured)

98
96
97
98
100
98
97
95
95
95
95
94
94
94
94
96
97
97
96
96
94
91
89
83

Low Clouds (% Sky Obscured)

86
90
83
75
64
65
66
67
70
75
78
83
86
90
85
80
74
78
82
82
81
79
78
74

Medium Clouds (% Sky Obscured)

67
35
77
76
100
96
93
89
89
90
89
84
76
66
53
39
28
28
28
25
16
12
11
8

High Clouds (% Sky Obscured)

11
50
23
9
40
41
37
33
32
34
12
27
41
59
74
84
95
92
89
86
65
49
31
39

ISS Passover

Visibility (miles)

9
9
9
9
9
8
3
1
0
0
0
0
3
5
7
8
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

1
0
4
9
40
65
51
73
80
95
95
95
95
55
66
60
35
38
34
15
19
17
10
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.2
1.1
1.2
1.1
0.8
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
95
96
96
100
96
96
98
98
98
98
96
96
95
95
95
95
96
98
98
98
98

Pressure (mb)

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

Ozone (du)

395
391
389
386
384
381
379
379
377
374
371
370
368
367
366
364
362
360
360
361
362
364
365
367

Friday 3

Waning Crescent 29%

04:12

14:26

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:37, Set: 20:46, Transit: 13:12. Moon - Rise: 04:12, Set: 14:26. Civil Dark: 21:27 - 04:56. Nautical Dark: 22:20 - 04:03. Astro Dark: 23:32 - 02:51

Total Clouds (% Sky Obscured)

78
78
77
79
80
78
76
74
76
76
77
68
60
50
55
60
67
76
86
95
89
82
77
70

Low Clouds (% Sky Obscured)

71
66
65
69
70
71
72
74
75
75
77
70
65
52
48
38
28
31
40
46
50
55
59
76

Medium Clouds (% Sky Obscured)

4
0
2
4
6
3
2
0
0
0
0
0
0
0
2
4
5
16
27
38
36
34
32
37

High Clouds (% Sky Obscured)

44
46
41
36
34
23
17
8
10
12
11
9
7
4
12
20
28
30
33
40
38
31
24
16

ISS Passover

Visibility (miles)

8
8
7
7
7
8
8
8
8
8
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 (%)

8
6
8
7
2
5
4
1
2
1
0
3
3
1
4
4
2
10
8
2
23
22
14
21

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)

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
11
11
12
13
15
16
18
18
19
20
18
17
17
16
14
13
12
11
10

Feels Like (°C)

10
11
10
10
10
10
10
10
10
11
11
11
18
18
17
17
17
17
13
14
13
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
96
95
95
93
92
76
65
55
53
52
51
55
60
65
69
75
80
86
90
96

Pressure (mb)

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

Ozone (du)

366
366
365
366
366
366
367
367
368
368
369
369
368
366
365
364
364
363
362
362
361
361
361
361

Saturday 4

Waning Crescent 19%

04:24

15:56

Sun - Rise: 05:35, Set: 20:48, Transit: 13:11. Moon - Rise: 04:24, Set: 15:56. Civil Dark: 21:29 - 04:54. Nautical Dark: 22:23 - 04:00. Astro Dark: 23:36 - 02:47

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Aberllefenni, Powys, United Kingdom (52.67,-3.82)

Generated: 28/04/24 02:37:00. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00