Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 96%

00:13

06:29

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: 05:52, Set: 20:35, Transit: 13:13. Moon - Rise: 00:13, Set: 06:29. Civil Dark: 21:13 - 05:14. Nautical Dark: 22:03 - 04:24. Astro Dark: 23:04 - 03:23

Total Clouds (% Sky Obscured)

100
100
98
98
83
85
100
97
100
100
100
100
100
100
100
100
100
100
100
91
98
100
100
98

Low Clouds (% Sky Obscured)

4
9
6
5
6
6
23
31
44
62
73
74
57
86
60
44
37
19
13
19
21
30
47
63

Medium Clouds (% Sky Obscured)

48
69
78
68
75
71
82
72
63
73
76
100
100
100
100
100
100
100
100
86
97
96
99
96

High Clouds (% Sky Obscured)

74
84
80
89
79
88
100
92
99
100
93
87
85
90
99
99
92
85
80
80
80
77
82
36

Met.no Forecast % Total Clouds

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Met.no Forecast % Low Clouds

28
25
13
4
3
18
38
38
31
25
41
92
99
99
99
99
97
45
21
7
8
38
59
100

Met.no Forecast % Medium Clouds

100
100
100
100
100
100
99
99
96
93
88
93
95
98
100
99
98
100
100
100
100
100
100
100

Met.no Forecast % High Clouds

99
98
100
98
91
97
98
94
99
97
95
98
100
100
100
95
98
94
99
89
67
27
23
6

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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 (%)

0
0
0
4
4
3
3
2
1
5
14
10
17
13
17
6
7
0
6
3
6
8
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
-1
-1
0
1
2
4
4
6
6
7
7
7
8
7
7
6
4
3
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
91
93
88
78
70
64
59
54
51
51
53
52
51
54
61
68
71
79
83
85
84

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1004
1004
1004
1004
1004
1004

Ozone (du)

443
444
444
445
447
450
452
452
450
449
449
448
447
448
447
447
448
448
448
449
451
451
451
452

Saturday 27

Waning Gibbous 90%

01:26

06:58

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 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:50, Set: 20:36, Transit: 13:13. Moon - Rise: 01:26, Set: 06:58. Civil Dark: 21:15 - 05:12. Nautical Dark: 22:05 - 04:22. Astro Dark: 23:07 - 03:19

Total Clouds (% Sky Obscured)

97
95
95
95
96
98
99
97
100
100
92
90
94
94
88
99
89
76
65
56
45
62
95
99

Low Clouds (% Sky Obscured)

68
54
55
72
73
74
76
87
100
100
88
84
69
90
75
62
58
54
37
25
13
19
1
8

Medium Clouds (% Sky Obscured)

93
92
89
92
93
92
96
90
77
80
83
72
89
46
44
37
47
46
56
35
35
45
90
97

High Clouds (% Sky Obscured)

6
14
33
10
6
41
59
4
61
4
3
1
61
3
65
98
67
72
69
62
12
4
79
95

Met.no Forecast % Total Clouds

100
100
100
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Met.no Forecast % Low Clouds

100
100
95
22
75
82
42
29
25
18
40
63
93
53
63
98
84
87
99
88
85
84
95
87

Met.no Forecast % Medium Clouds

100
100
100
28
98
91
41
85
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Met.no Forecast % High Clouds

64
95
73
67
99
92
100
100
100
99
49
17
5
0
4
95
100
100
100
100
98
79
95
100

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

ISS Passover

Visibility (miles)

9
9
7
6
0
9
7
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 (%)

24
35
27
24
16
13
12
14
15
14
18
29
31
34
26
27
24
14
7
3
2
3
6
10

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)

7
7
8
8
8
9
11
12
12
13
14
15
14
14
14
13
12
12
10
9
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
5
5
5
4
5
4
4
4
4
4
4
5
6
5
5
6
6
6
5
5
5
5

Relative Humidity (%)

87
90
90
94
94
88
87
82
78
75
72
69
68
69
76
71
72
80
84
84
84
85
87
87

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005

Ozone (du)

452
452
452
453
455
454
452
450
450
450
451
452
451
455
451
452
451
451
450
450
451
451
450
448

Sunday 28

Waning Gibbous 83%

No Rise

07:41

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

Sun - Rise: 05:48, Set: 20:38, Transit: 13:13. Moon - Rise: No Rise, Set: 07:41. Civil Dark: 21:17 - 05:09. Nautical Dark: 22:07 - 04:19. Astro Dark: 23:11 - 03:16

Total Clouds (% Sky Obscured)

100
89
88
82
69
51
55
86
71
71
66
73
60
36
29
26
41
45
67
65
76
89
100
97

Low Clouds (% Sky Obscured)

3
13
9
13
8
5
23
62
62
41
37
36
37
34
29
30
25
31
38
42
47
53
60
60

Medium Clouds (% Sky Obscured)

96
79
53
55
37
35
33
2
9
40
27
5
1
1
0
0
0
0
2
35
63
82
100
94

High Clouds (% Sky Obscured)

100
88
88
85
83
76
70
65
9
24
34
60
30
2
0
0
23
21
43
45
67
87
43
30

Met.no Forecast % Total Clouds

100
100
100
100
100
100
100
100
100
100
100
100
100
70
2
0
0
9
9
9
9
9
9
62

Met.no Forecast % Low Clouds

57
50
88
39
43
29
30
79
92
88
50
23
32
35
2
0
0
6
6
6
6
6
6
21

Met.no Forecast % Medium Clouds

100
100
100
100
100
84
63
29
56
59
64
6
2
0
0
0
0
6
6
6
6
6
6
45

Met.no Forecast % High Clouds

100
98
100
100
100
100
100
100
100
97
100
100
100
67
0
0
0
0
0
0
0
0
0
28

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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 (%)

13
7
6
6
6
6
2
2
3
23
31
29
22
12
1
0
0
4
5
2
10
3
2
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
4
5
4
4
4
4
4
4
4
4
4
4
4
4
5
6
6
6
6
6
6
6

Relative Humidity (%)

86
88
87
91
88
85
81
73
72
68
67
66
64
66
67
67
69
76
82
85
87
88
88
88

Pressure (mb)

1005
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

447
446
448
449
447
442
440
439
438
437
436
439
444
448
452
452
448
444
442
442
442
442
442
442

Monday 29

Waning Gibbous 74%

02:25

08:43

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: 05:46, Set: 20:40, Transit: 13:13. Moon - Rise: 02:25, Set: 08:43. Civil Dark: 21:19 - 05:07. Nautical Dark: 22:10 - 04:16. Astro Dark: 23:14 - 03:12

Total Clouds (% Sky Obscured)

93
84
94
96
98
92
87
83
88
94
99
99
100
100
100
100
100
99
99
98
99
99
100
100

Low Clouds (% Sky Obscured)

54
55
67
76
83
74
68
60
59
60
59
58
59
63
69
75
83
87
92
96
90
55
51
45

Medium Clouds (% Sky Obscured)

86
58
85
90
77
73
74
71
80
88
96
97
99
100
99
98
97
92
86
81
87
94
100
100

High Clouds (% Sky Obscured)

15
44
40
66
18
45
65
17
70
70
24
15
27
40
35
84
76
49
67
68
79
89
100
100

Met.no Forecast % Total Clouds

62
62
62
62
62
35
35
35
35
35
35
66
66
66
66
66
66
100
100
100
100
100
100
99

Met.no Forecast % Low Clouds

21
21
21
21
21
7
7
7
7
7
7
65
65
65
65
65
65
49
49
49
49
49
49
56

Met.no Forecast % Medium Clouds

45
45
45
45
45
2
2
2
2
2
2
18
18
18
18
18
18
88
88
88
88
88
88
88

Met.no Forecast % High Clouds

28
28
28
28
28
30
30
30
30
30
30
0
0
0
0
0
0
86
86
86
86
86
86
65

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
6
9
4
4
4
3
3
3
3
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
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

16
14
28
35
35
35
39
55
73
63
67
95
95
95
95
95
95
95
71
64
64
62
56
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0
0.2
1
0.7
0.7
0.7
0.8
1.1
0.7
0
0
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
85
80
78
80
84
88
87
92
92
92
92
95
93
95
92
90
87
84
83
83

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009

Ozone (du)

442
442
445
444
445
444
442
437
433
432
431
427
426
426
422
424
426
426
429
430
430
429
428
428

Tuesday 30

Waning Gibbous 64%

03:07

10:01

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: 20:42, Transit: 13:13. Moon - Rise: 03:07, Set: 10:01. Civil Dark: 21:21 - 05:05. Nautical Dark: 22:12 - 04:14. Astro Dark: 23:18 - 03:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
90
82
73
65

Low Clouds (% Sky Obscured)

59
55
54
56
54
57
63
70
75
82
88
89
91
92
85
78
71
69
64
57
53
49
36
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
91
88
76
63
47
35

High Clouds (% Sky Obscured)

100
100
97
93
88
48
65
84
100
100
94
95
96
97
94
91
89
76
64
44
25
13
3
3

Met.no Forecast % Total Clouds

99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
63

Met.no Forecast % Low Clouds

56
56
56
56
56
56
56
56
56
56
56
16
16
16
16
16
16
59
59
59
59
59
59
6

Met.no Forecast % Medium Clouds

88
88
88
88
88
98
98
98
98
98
98
54
54
54
54
54
54
62
62
62
62
62
62
45

Met.no Forecast % High Clouds

65
65
65
65
65
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
38

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

64
68
63
61
66
58
57
46
46
69
87
87
79
69
66
58
47
53
59
64
60
57
57
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
21
19
18
19
17
19
21
22
20
19
19
16
13
11
10
10
9
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
81
85
87
87
85
84
87
87
87
89
90
90
92
92
90
90
92
93
95
95
96
96

Pressure (mb)

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

Ozone (du)

428
428
428
427
427
427
428
429
430
429
430
431
430
429
429
430
431
433
433
433
433
432
431
430

Wednesday 1

Third Quarter 53%

03:36

11:28

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: 20:43, Transit: 13:13. Moon - Rise: 03:36, Set: 11:28. Civil Dark: 21:23 - 05:03. Nautical Dark: 22:15 - 04:11. Astro Dark: 23:22 - 03:04

Total Clouds (% Sky Obscured)

60
60
67
74
81
85
88
93
91
90
89
82
74
65
70
74
83
89
94
99
99
98
97
98

Low Clouds (% Sky Obscured)

29
30
39
42
49
58
61
70
68
69
68
58
42
27
21
18
20
15
12
10
13
18
22
25

Medium Clouds (% Sky Obscured)

21
11
22
35
48
55
60
68
74
79
85
70
56
43
53
65
74
83
91
99
96
94
93
92

High Clouds (% Sky Obscured)

3
3
3
3
3
3
4
4
20
37
54
53
58
52
55
58
59
66
70
75
78
84
89
83

Met.no Forecast % Total Clouds

63
63
63
63
63
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
66

Met.no Forecast % Low Clouds

6
6
6
6
6
89
89
89
89
89
89
10
10
10
10
10
10
100
100
100
100
100
100
66

Met.no Forecast % Medium Clouds

45
45
45
45
45
2
2
2
2
2
2
32
32
32
32
32
32
34
34
34
34
34
34
1

Met.no Forecast % High Clouds

38
38
38
38
38
25
25
25
25
25
25
100
100
100
100
100
100
52
52
52
52
52
52
0

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

ISS Passover

Visibility (miles)

5
3
1
4
7
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
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
48
38
27
13
15
14
9
26
35
42
43
43
43
37
30
17
14
9
2
3
3
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
12
14
14
15
15
15
16
16
16
16
16
15
15
14
14
14
14

Feels Like (°C)

9
9
8
8
8
8
9
10
10
10
11
11
15
15
15
15
15
16
14
14
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
95
93
91
84
76
71
69
68
66
69
70
73
75
78
83
85
87
90
90
89
89

Pressure (mb)

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

Ozone (du)

430
430
430
429
428
427
425
423
421
420
418
417
415
412
410
409
408
407
405
403
400
399
397
396

Thursday 2

Waning Crescent 41%

03:57

12:58

Sun - Rise: 05:40, Set: 20:45, Transit: 13:13. Moon - Rise: 03:57, Set: 12:58. Civil Dark: 21:25 - 05:01. Nautical Dark: 22:17 - 04:08. Astro Dark: 23:26 - 03:00

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

Met.no Forecast % Total Clouds

Met.no Forecast % Low Clouds

Met.no Forecast % Medium Clouds

Met.no Forecast % High Clouds

7Timer Cloud Cover

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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

Generated: 26/04/24 02:39:27. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00