Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 91%

23:22

07:01

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:39, Set: 19:56, Transit: 13:19. Moon - Rise: 23:22, Set: 07:01. Civil Dark: 20:31 - 06:04. Nautical Dark: 21:13 - 05:22. Astro Dark: 22:00 - 04:35

Total Clouds (% Sky Obscured)

100
99
100
95
76
54
55
75
100
100
100
100
100
100
95
96
100
93
86
81
88
92
92
99

Low Clouds (% Sky Obscured)

84
83
75
62
48
54
55
65
100
100
99
100
98
95
76
65
68
55
60
47
57
51
76
73

Medium Clouds (% Sky Obscured)

61
49
43
21
3
1
0
32
30
82
100
100
100
92
90
86
23
0
0
5
16
22
13
33

High Clouds (% Sky Obscured)

4
6
62
52
53
4
0
2
45
100
100
100
100
88
42
49
89
72
3
1
2
0
0
1

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
2
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
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

22
39
30
31
25
10
16
31
33
36
24
26
88
95
67
59
31
35
33
30
33
25
35
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
1
0.3
0.4
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

6
6
9
16
19
24
27
26
26
28
28
28
31
31
32
30
26
24
23
23
21
19
19
19

Chance of Frost

Temperature (°C)

5
7
8
10
11
12
13
12
12
11
11
11
11
10
8
8
8
8
7
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
90
95
91
83
77
79
81
87
85
85
84
85
84
70
77
77
79
81
81
79
78
79

Pressure (mb)

1014
1013
1012
1012
1011
1010
1009
1008
1006
1005
1004
1002
1001
1000
1001
1001
1001
1002
1002
1003
1006
1007
1009
1010

Ozone (du)

379
380
381
380
375
375
376
377
381
378
378
381
383
385
389
394
396
399
402
404
403
401
396
394

Sunday 5

Waning Gibbous 85%

00:37

07:18

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:37, Set: 19:57, Transit: 13:18. Moon - Rise: 00:37, Set: 07:18. Civil Dark: 20:32 - 06:02. Nautical Dark: 21:15 - 05:19. Astro Dark: 22:02 - 04:32

Total Clouds (% Sky Obscured)

87
76
68
69
69
57
62
62
84
87
91
77
75
69
61
81
84
70
73
77
88
99
90
92

Low Clouds (% Sky Obscured)

78
72
58
52
55
57
50
42
55
51
29
9
23
43
51
51
80
70
48
30
46
7
45
35

Medium Clouds (% Sky Obscured)

66
27
54
0
0
0
0
27
35
29
33
24
20
23
23
25
0
0
0
26
10
57
46
47

High Clouds (% Sky Obscured)

1
1
1
1
14
2
35
17
6
49
62
56
55
29
11
56
44
5
65
60
83
97
64
58

ISS Passover

Visibility (miles)

6
4
6
4
5
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

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

Precipitation Probability (%)

75
61
42
35
44
31
35
33
33
32
30
26
17
17
4
18
22
11
8
3
1
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
20
21
22
21
21
21
21
20
19
17
17
15
14
12
10
9
8
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
85
86
83
81
72
69
65
64
65
65
69
71
74
78
80
85
86
85
83
82
82
83
85

Pressure (mb)

1011
1012
1014
1015
1017
1018
1019
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

392
391
392
393
392
393
393
393
392
387
386
385
384
382
378
377
373
370
366
362
362
365
365
364

Monday 6

Waning Gibbous 77%

01:46

07:42

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

Sun - Rise: 06:35, Set: 19:59, Transit: 13:18. Moon - Rise: 01:46, Set: 07:42. Civil Dark: 20:34 - 06:00. Nautical Dark: 21:17 - 05:16. Astro Dark: 22:04 - 04:29

Total Clouds (% Sky Obscured)

86
78
90
79
92
92
82
79
44
31
68
90
90
90
95
70
95
35
74
13
18
14
4
2

Low Clouds (% Sky Obscured)

23
3
0
11
13
21
10
27
26
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
54
51
35
56
37
20
16
2
2
26
50
50
55
65
43
59
21
39
3
3
0
0
0

High Clouds (% Sky Obscured)

76
67
76
71
67
52
53
63
12
6
21
46
55
55
55
10
35
21
39
13
18
14
4
2

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
1
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
5
6
6
7
8
8
9
10
9
7
6
6
5
4
5
5
4
5
4
4
6

Dew Point (°C)

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

Relative Humidity (%)

85
82
73
64
63
66
67
68
66
67
70
75
79
83
87
87
87
87
87
85
87
87
84
78

Pressure (mb)

1025
1025
1025
1024
1024
1024
1023
1023
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017

Ozone (du)

365
365
364
363
364
364
365
366
366
366
365
362
359
356
355
356
356
356
354
352
352
352
353
352

Tuesday 7

Waning Gibbous 69%

02:46

08:16

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

Sun - Rise: 06:32, Set: 20:01, Transit: 13:18. Moon - Rise: 02:46, Set: 08:16. Civil Dark: 20:36 - 05:57. Nautical Dark: 21:19 - 05:14. Astro Dark: 22:07 - 04:26

Total Clouds (% Sky Obscured)

37
50
41
91
93
96
96
96
93
91
96
96
94
92
90
87
34
84
90
93
91
96
97
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
0
1
1
0
0
1
0
1
22
43
74
63
69
84

Medium Clouds (% Sky Obscured)

8
42
29
75
77
78
76
73
66
51
72
75
57
45
35
9
16
45
22
47
42
1
15
32

High Clouds (% Sky Obscured)

10
8
7
5
25
30
41
47
54
52
57
61
61
60
60
51
13
37
39
47
24
60
60
65

ISS Passover

Visibility (miles)

9
9
9
9
5
5
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
1
5
16
27
14
9
2
0
2
0
2
6
5
0
0
0
0
0
1
0
0
1
6

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)

13
14
15
16
15
15
15
14
14
13
11
10
8
9
8
7
5
5
5
4
4
3
3
2

Chance of Frost

Temperature (°C)

9
10
12
13
14
14
15
17
18
18
18
17
16
15
15
14
14
13
12
12
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
67
66
67
73
75
74
73
73
73
74
75
74
75
78
80
87
90
90
90
90
90
91

Pressure (mb)

1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

353
354
355
353
351
353
352
352
353
354
351
349
349
353
356
359
359
358
358
359
359
360
358
357

Wednesday 8

Waning Gibbous 59%

03:32

09:02

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:30, Set: 20:03, Transit: 13:18. Moon - Rise: 03:32, Set: 09:02. Civil Dark: 20:38 - 05:55. Nautical Dark: 21:21 - 05:11. Astro Dark: 22:10 - 04:22

Total Clouds (% Sky Obscured)

87
75
78
99
99
99
98
97
98
98
99
100
97
96
96
96
97
98
82
63
44
62
80
97

Low Clouds (% Sky Obscured)

61
75
76
79
84
86
87
84
75
52
27
2
92
91
86
83
83
83
67
49
34
43
56
72

Medium Clouds (% Sky Obscured)

4
4
0
4
8
3
2
2
39
21
40
92
84
74
65
52
38
28
21
16
8
5
2
0

High Clouds (% Sky Obscured)

55
37
38
40
20
15
10
11
16
44
72
100
75
75
65
35
25
15
13
13
12
11
7
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
3
3
3
3
3
3
3
3
3
4
6
7
8
9
9
8
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 (%)

5
2
1
4
2
7
1
1
1
2
2
1
14
7
3
8
10
14
16
13
22
21
27
40

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)

2
2
3
3
4
5
6
5
5
4
5
5
6
8
10
11
12
12
14
12
11
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
81
78
74
70
74
79
84
89
86
84
92
92
95
95
95
93
93
93
91
91
93
93

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

358
357
356
356
357
357
356
357
359
360
361
361
363
364
365
367
371
376
380
379
379
378
382
387

Thursday 9

Waning Gibbous 57%

04:06

10:02

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:28, Set: 20:04, Transit: 13:17. Moon - Rise: 04:06, Set: 10:02. Civil Dark: 20:40 - 05:52. Nautical Dark: 21:24 - 05:08. Astro Dark: 22:12 - 04:19

Total Clouds (% Sky Obscured)

98
99
100
85
69
54
51
48
45
55
66
80
86
91
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
91
94
75
57
38
29
19
10
13
18
23
18
14
12
10
7
4
8
13
17
19
22
24

Medium Clouds (% Sky Obscured)

0
0
0
8
19
31
30
24
19
25
29
30
26
20
16
17
21
39
55
57
49
36
23
10

High Clouds (% Sky Obscured)

21
47
75
80
69
54
51
48
45
55
66
80
67
49
32
52
73
93
97
99
100
89
76
59

ISS Passover

Visibility (miles)

4
5
6
8
7
6
6
7
7
8
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

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

Precipitation Probability (%)

44
45
42
39
40
47
42
38
36
29
25
26
21
15
8
8
4
5
5
4
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
18
20
20
20
20
19
17
16
14
12
10
8
6
5
5
5
5
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
88
85
84
81
78
75
73
70
74
75
78
81
82
84
87
87
87
87
88
88
90
88

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1024
1024
1024
1023
1022
1022

Ozone (du)

392
399
406
413
417
420
424
411
399
386
380
374
368
365
361
358
357
356
355
354
354
354
354
354

Friday 10

Third Quarter 49%

04:30

11:13

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

Sun - Rise: 06:26, Set: 20:06, Transit: 13:17. Moon - Rise: 04:30, Set: 11:13. Civil Dark: 20:42 - 05:50. Nautical Dark: 21:26 - 05:06. Astro Dark: 22:15 - 04:16

Total Clouds (% Sky Obscured)

100
100
100
100
96
92
86
87
89
86
81
82
87
92
96
98
99
100

Low Clouds (% Sky Obscured)

41
56
74
77
72
68
61
65
69
62
55
47
53
57
59
72
86
99

Medium Clouds (% Sky Obscured)

19
27
33
30
30
27
31
39
43
56
64
73
76
80
86
91
96
100

High Clouds (% Sky Obscured)

55
53
48
40
25
14
14
19
20
30
35
43
48
52
62
75
87
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3

Fog (%)

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

Precipitation Probability (%)

0
0
0
5
8
11
24
29
29
24
15
2
6
9
13
40
68
94

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
82
78
78
77
77
77
79
80
81
81
83
81
83
83
88
93

Pressure (mb)

1021
1021
1020
1020
1019
1018
1018
1017
1016
1015
1014
1013
1012
1012
1012
1011
1011
1011

Ozone (du)

354
354
355
355
356
357
358
358
357
357
359
361
363
364
366
368
368
367

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

Generated: 04/04/26 07:11:22. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+1.00