Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 93%

20:04

02:32

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: 05:29, Set: 21:17, Transit: 13:22. Moon - Rise: 20:04, Set: 02:32. Civil Dark: 22:00 - 04:46. Nautical Dark: 23:01 - 03:46. Astro Dark: 00:51 - 02:03

Total Clouds (% Sky Obscured)

88
88
82
87
94
92
89
88
97
100
76
93
82
79
90
96
66
74
45
38
57
51
51
49

Low Clouds (% Sky Obscured)

77
67
82
83
83
80
58
66
83
80
43
71
43
66
79
90
60
68
45
38
57
51
51
49

Medium Clouds (% Sky Obscured)

29
8
0
0
20
21
32
38
45
50
26
37
30
30
12
15
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

6
7
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

Very Light Rain
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 (%)

44
25
0
27
32
32
34
28
23
28
24
18
17
13
19
23
26
18
13
4
14
2
17
0

Precipitation Amount (mm)

0.2
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)

18
19
19
19
19
18
19
19
17
16
17
16
14
12
10
10
12
14
14
14
13
12
11
9

Chance of Frost

Temperature (°C)

17
16
16
16
16
17
17
17
18
18
18
18
18
18
18
18
17
17
17
16
15
15
14
14

Feels Like (°C)

13
12
12
12
12
13
12
13
13
14
14
15
14
15
15
15
14
14
14
14
13
13
13
13

Dew Point (°C)

16
15
13
14
14
14
14
14
14
14
14
14
14
15
14
15
14
15
14
14
13
13
13
12

Relative Humidity (%)

95
90
83
85
87
86
82
81
79
78
77
78
79
80
79
82
82
85
86
89
89
89
89
89

Pressure (mb)

1005
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017

Ozone (du)

327
326
325
325
325
325
326
326
327
326
327
329
329
328
329
329
330
330
331
330
328
327
326
327

Monday 27

Waxing Gibbous 97%

20:41

03:39

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: 05:31, Set: 21:15, Transit: 13:22. Moon - Rise: 20:41, Set: 03:39. Civil Dark: 21:58 - 04:48. Nautical Dark: 22:58 - 03:49. Astro Dark: 00:41 - 02:11

Total Clouds (% Sky Obscured)

50
58
66
92
79
85
100
100
100
100
97
95
100
96
100
100
100
100
100
96
97
97
100
98

Low Clouds (% Sky Obscured)

50
58
53
78
65
71
100
100
100
100
96
88
100
88
90
87
72
74
75
79
90
90
92
89

Medium Clouds (% Sky Obscured)

0
7
20
26
18
36
43
54
74
44
54
38
34
42
27
28
35
43
76
72
92
78
85
85

High Clouds (% Sky Obscured)

3
3
3
15
3
3
1
0
0
4
3
3
8
21
100
100
100
100
100
82
77
43
79
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
1
1
1
0
0
0
0
1
1
2
5
7
7

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

Precipitation Probability (%)

0
0
1
0
0
2
6
21
34
41
41
47
24
24
14
1
0
4
0
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17

Feels Like (°C)

14
15
16
15
15
16
16
16
17
17
17
18
18
18
18
18
18
18
19
18
17
17
18
17

Dew Point (°C)

13
13
13
13
14
13
14
14
15
16
17
18
18
18
18
18
18
18
18
17
17
17
17
17

Relative Humidity (%)

87
83
78
76
78
74
74
78
83
92
95
98
96
98
98
100
98
100
98
98
96
96
96
96

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

327
327
328
329
329
329
329
328
327
327
326
325
325
324
324
323
323
323
324
323
324
324
323
322

Tuesday 28

Waxing Gibbous 100%

21:07

04:54

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: 05:32, Set: 21:14, Transit: 13:22. Moon - Rise: 21:07, Set: 04:54. Civil Dark: 21:57 - 04:50. Nautical Dark: 22:56 - 03:51. Astro Dark: 00:34 - 02:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
99
89
94
75
60
58
54
84
90
100
99
100
98
82
76
74
70

Low Clouds (% Sky Obscured)

78
75
73
78
69
46
27
45
45
39
33
24
31
26
29
33
31
28
28
29
27
34
36
44

Medium Clouds (% Sky Obscured)

82
80
86
89
74
73
76
71
86
77
54
42
55
54
75
78
63
64
52
22
16
21
25
24

High Clouds (% Sky Obscured)

83
76
79
78
85
81
96
90
45
49
40
47
47
40
46
66
99
98
99
96
77
47
24
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
2
15
5
2
3
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

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)

8
8
9
10
10
11
9
7
8
7
5
5
4
2
2
2
2
3
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

18
19
19
20
21
21
21
22
21
21
21
21
20
20
19
18
18
18
18
18
17
17
17
17

Feels Like (°C)

18
19
19
19
20
21
21
21
22
21
22
21
21
21
20
19
18
18
18
18
17
20
19
19

Dew Point (°C)

17
17
17
17
17
16
16
17
16
16
16
16
16
17
16
16
16
15
15
15
15
15
14
14

Relative Humidity (%)

96
92
88
82
76
73
73
73
73
74
74
74
75
81
85
86
86
85
85
85
85
85
83
83

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

321
320
320
320
320
321
321
322
323
325
328
329
329
329
329
330
330
332
334
333
334
332
331
331

Wednesday 29

Full Moon 100%

21:27

06:11

07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Good
13 OK
14 OK
15 OK
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: 05:34, Set: 21:12, Transit: 13:22. Moon - Rise: 21:27, Set: 06:11. Civil Dark: 21:55 - 04:52. Nautical Dark: 22:53 - 03:54. Astro Dark: 00:27 - 02:24

Total Clouds (% Sky Obscured)

78
67
54
28
28
18
28
38
48
56
66
74
81
87
95
95
95
94
95
94
95
93
91
85

Low Clouds (% Sky Obscured)

40
36
32
21
11
0
11
23
33
39
42
48
44
44
41
42
41
39
36
48
48
45
42
65

Medium Clouds (% Sky Obscured)

14
7
0
0
0
0
0
0
0
0
0
0
0
2
3
77
62
91
78
88
87
86
86
52

High Clouds (% Sky Obscured)

45
55
54
8
28
18
28
38
48
56
66
74
78
81
89
71
56
32
29
31
37
38
36
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 (%)

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
5
6
6
5
0
0
0
0
0
0
0
0
0
0
2
4
4
8
17
26
24
23
23

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)

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

Chance of Frost

Temperature (°C)

18
20
21
22
24
24
24
24
23
23
22
22
21
20
19
18
18
17
17
17
17
17
17
17

Feels Like (°C)

20
21
22
23
26
24
24
24
23
23
22
22
22
22
20
18
17
17
17
16
16
16
16
16

Dew Point (°C)

15
15
14
14
12
12
13
13
14
14
14
15
15
16
16
15
15
16
16
15
15
15
15
15

Relative Humidity (%)

80
71
64
57
49
47
47
51
55
57
59
63
67
77
82
81
83
89
90
90
89
89
89
92

Pressure (mb)

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

Ozone (du)

331
330
330
329
327
327
328
328
327
328
330
329
329
327
328
328
329
330
331
332
333
334
338
343

Thursday 30

Waning Gibbous 98%

21:42

No Set

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

Sun - Rise: 05:35, Set: 21:11, Transit: 13:22. Moon - Rise: 21:42, Set: No Set. Civil Dark: 21:53 - 04:54. Nautical Dark: 22:51 - 03:56. Astro Dark: 00:20 - 02:30

Total Clouds (% Sky Obscured)

74
63
51
35
39
43
40
32
28
31
34
8
61
66
66
57
44
30
37
42
41
31
27
32

Low Clouds (% Sky Obscured)

63
58
50
34
31
23
25
30
28
25
14
0
51
51
54
47
43
30
37
42
41
31
27
32

Medium Clouds (% Sky Obscured)

14
8
2
5
5
4
3
0
0
1
3
3
23
22
17
11
6
0
5
9
14
11
9
8

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
61
66
66
44
22
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
8
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
13
6
7
25
42
70
58
34
33
10
15
26
23
20
15
9
0
4
8
10
13
16
18

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
14
14
14
14
13
13
15
16
18
16
13
13
8
9
10
9
8
8
8
7
7
6
4

Chance of Frost

Temperature (°C)

17
17
18
18
18
19
19
19
19
19
19
19
19
18
17
16
15
15
14
14
14
14
14
14

Feels Like (°C)

16
16
16
16
17
17
17
17
17
17
17
18
20
19
19
18
18
18
17
14
14
16
15
15

Dew Point (°C)

16
16
15
15
14
15
16
17
16
15
16
14
14
14
14
14
13
12
11
12
11
11
12
12

Relative Humidity (%)

95
89
85
81
77
80
84
89
84
80
82
75
76
79
85
89
87
86
83
84
84
84
86
87

Pressure (mb)

1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

341
343
343
350
352
356
353
354
352
353
351
352
352
353
354
356
356
356
356
355
355
355
353
350

Friday 31

Waning Gibbous 94%

21:53

07:28

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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: 05:37, Set: 21:09, Transit: 13:22. Moon - Rise: 21:53, Set: 07:28. Civil Dark: 21:51 - 04:55. Nautical Dark: 22:48 - 03:59. Astro Dark: 00:15 - 02:35

Total Clouds (% Sky Obscured)

56
79
100
87
68
49
42
38
34
35
40
41
52
63
74
79
82
86
85
84
86
89
91
93

Low Clouds (% Sky Obscured)

39
45
50
44
42
42
39
35
30
31
33
35
43
51
60
59
58
55
50
48
45
49
52
55

Medium Clouds (% Sky Obscured)

7
10
10
15
18
20
26
35
34
35
40
38
45
56
70
78
82
86
85
84
86
89
91
93

High Clouds (% Sky Obscured)

33
67
100
87
68
49
42
38
34
35
36
31
43
49
45
40
40
30
30
40
45
55
60
75

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
Very Light Rain
None
None
None

Precipitation Probability (%)

16
11
4
4
6
6
5
2
0
2
2
3
10
11
10
13
21
27
28
30
33
32
30
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
16
16
17
17
17
18
18
18
18
18
17
17
16
16
16
16
15
15
15
15
15
15

Feels Like (°C)

15
15
15
15
16
16
16
16
16
16
16
16
16
15
15
16
16
15
14
14
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

87
82
75
72
66
60
55
51
49
45
47
49
49
50
51
52
51
49
48
47
48
47
48
50

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

348
346
344
342
341
339
338
337
336
335
333
331
329
329
329
329
329
328
328
328
328
328
328
328

Saturday 1

Waning Gibbous 88%

22:04

08:45

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: 05:39, Set: 21:07, Transit: 13:22. Moon - Rise: 22:04, Set: 08:45. Civil Dark: 21:49 - 04:57. Nautical Dark: 22:46 - 04:01. Astro Dark: 00:09 - 02:40

Total Clouds (% Sky Obscured)

93
92
88
82
76
72
66
59
54
56
56
54
52
54
48
49
49
51

Low Clouds (% Sky Obscured)

59
61
63
60
54
50
46
41
37
37
36
32
29
28
25
24
22
21

Medium Clouds (% Sky Obscured)

93
92
88
82
76
72
66
58
47
38
27
16
15
13
14
11
9
6

High Clouds (% Sky Obscured)

75
75
75
70
70
65
47
38
26
18
10
2
2
2
3
18
33
51

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

30
31
33
31
30
30
25
13
11
12
12
11
16
18
18
18
15
11

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)

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

Chance of Frost

Temperature (°C)

15
15
15
16
16
16
17
17
18
18
18
18
17
17
15
14
14
14

Feels Like (°C)

13
13
13
13
13
13
14
15
15
15
16
16
16
18
17
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

51
53
54
55
56
57
57
53
50
47
48
48
49
54
59
67
68
69

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019

Ozone (du)

329
329
329
329
330
331
332
332
333
333
334
335
337
336
336
336
335
335

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

Generated: 26/07/26 07:17:03. Forecast: 26/07/26 to 01/08/26. Timezone: UTC+1.00