Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 1

Waning Gibbous 88%

22:04

08:45

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

62
60
58
37
34
75
65
41
25
9
25
39
13
42
92
94
83
81
100
91
76
82
96
97

Low Clouds (% Sky Obscured)

49
48
55
37
34
41
36
32
21
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
13
11
14
69
46
84
81
52
39
37
62

High Clouds (% Sky Obscured)

0
0
0
0
3
60
54
26
12
9
25
32
13
42
86
87
40
63
100
40
47
72
93
93

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
11
56
56
56

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
12
2
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
74
69
66
63
61
62
63
62
59
58
63
74
80
83
83
86
84
81
81
81
83
81

Pressure (mb)

1020
1021
1021
1021
1022
1021
1021
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

361
358
352
349
347
347
347
346
343
341
340
340
340
339
339
338
338
337
339
337
336
334
334
335

Sunday 2

Waning Gibbous 80%

22:14

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: 05:40, Set: 21:06, Transit: 13:22. Moon - Rise: 22:14, Set: 10:02. Civil Dark: 21:47 - 04:59. Nautical Dark: 22:43 - 04:04. Astro Dark: 00:04 - 02:45

Total Clouds (% Sky Obscured)

100
92
82
69
66
92
92
100
100
98
99
97
100
100
100
100
95
93
97
100
61
71
73
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
20
27
21
32
5
18
22
17
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

75
73
66
61
60
43
45
98
68
87
78
56
65
44
69
45
54
48
39
39
30
39
60
53

High Clouds (% Sky Obscured)

100
77
70
61
26
71
79
82
93
87
95
89
100
100
100
100
93
86
91
100
35
40
10
4

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 (%)

11
4
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
0
0
0
0
0
4
5
0
0
0
0
0
0
0
0
2
0
1
2
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
6
6
6
5
5
5
6
5
5
7
7
5
3
3
5
6
9
8
9
10
10
9
10

Chance of Frost

Temperature (°C)

14
15
17
18
20
21
22
22
22
22
21
21
21
20
19
18
18
18
17
17
17
17
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
70
61
55
49
46
44
44
47
50
53
57
64
76
81
76
65
62
66
72
72
75
73
79

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011

Ozone (du)

336
337
337
337
337
336
336
336
336
336
336
336
336
336
337
339
340
341
341
340
339
338
339
340

Monday 3

Waning Gibbous 71%

22:25

11:20

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: 05:42, Set: 21:04, Transit: 13:22. Moon - Rise: 22:25, Set: 11:20. Civil Dark: 21:45 - 05:01. Nautical Dark: 22:40 - 04:06. Astro Dark: 23:59 - 02:49

Total Clouds (% Sky Obscured)

74
71
56
76
85
100
98
100
100
99
98
100
100
100
100
98
98
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

0
2
1
1
2
0
0
0
0
23
6
0
18
69
64
69
61
74
70
83
88
89
91
92

Medium Clouds (% Sky Obscured)

63
67
56
76
85
100
71
86
96
88
74
84
95
89
79
92
90
95
90
79
54
43
43
95

High Clouds (% Sky Obscured)

28
30
18
6
22
92
85
100
97
92
86
100
100
100
98
58
82
100
90
88
100
86
82
77

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
6
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
Very Light Rain
None
None
None
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
3
2
2
4
11
33
40
40
51
55
49
60
66
41
50
56
56
55
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
20
21
22
24
25
26
25
24
24
21
20
19
18
18
18
19
19
19
18
18
18
18

Feels Like (°C)

14
15
18
20
21
23
23
24
22
23
23
19
19
19
18
17
17
18
17
17
17
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

77
69
60
51
45
36
36
35
43
47
49
49
55
62
65
66
67
64
62
63
64
68
71
72

Pressure (mb)

1011
1011
1011
1011
1011
1010
1009
1009
1009
1009
1008
1009
1009
1008
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

340
342
341
341
340
342
343
337
336
335
335
334
334
335
335
333
329
325
323
322
322
321
321
320

Tuesday 4

Waning Gibbous 60%

22:38

12:42

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: 05:43, Set: 21:02, Transit: 13:22. Moon - Rise: 22:38, Set: 12:42. Civil Dark: 21:43 - 05:03. Nautical Dark: 22:38 - 04:08. Astro Dark: 23:54 - 02:54

Total Clouds (% Sky Obscured)

98
98
99
90
79
69
73
71
82
69
59
45
43
37
44
56
69
63
63
67
65
82
79
82

Low Clouds (% Sky Obscured)

82
71
63
62
67
63
53
55
47
41
36
45
43
34
44
55
65
40
33
40
38
54
67
73

Medium Clouds (% Sky Obscured)

97
97
92
87
75
65
72
35
82
69
59
7
4
4
3
4
8
11
11
10
10
11
13
14

High Clouds (% Sky Obscured)

83
91
97
86
71
69
8
4
64
53
0
0
0
0
0
0
0
0
0
0
1
21
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
7
8
5
5
7
3
5
8
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
50
47
43
48
55
60
63
59
68
69
48
30
23
20
11
18
6
12
17
23
23
26
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
9
10
11
13
14
16
16
17
17
17
16
15
14
16
17
17
18
19
20
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
70
72
65
76
77
74
82
84
85
86
92
92
90
89
90
88
90
92
93
93
96
95

Pressure (mb)

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

Ozone (du)

319
318
317
317
317
317
316
315
314
315
317
319
323
324
324
325
326
326
327
327
329
331
334
335

Wednesday 5

Waning Gibbous 48%

22:55

14:07

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: 05:45, Set: 21:00, Transit: 13:22. Moon - Rise: 22:55, Set: 14:07. Civil Dark: 21:41 - 05:05. Nautical Dark: 22:35 - 04:11. Astro Dark: 23:50 - 02:58

Total Clouds (% Sky Obscured)

84
87
89
93
97
100
80
65
60
54
65
66
60
64
68
74
78
83
83
80
74
73
76
86

Low Clouds (% Sky Obscured)

74
74
76
79
81
83
80
65
60
54
61
45
34
23
12
22
32
43
50
57
61
62
67
72

Medium Clouds (% Sky Obscured)

17
23
22
25
27
30
31
24
20
17
14
9
8
5
0
4
8
11
8
4
0
4
7
10

High Clouds (% Sky Obscured)

1
2
0
0
23
2
2
0
0
0
0
1
17
34
55
56
60
55
60
60
60
55
50
50

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
8
8
8
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
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 (%)

29
31
43
36
32
28
26
27
37
28
25
33
31
35
41
39
30
20
18
18
21
19
20
25

Precipitation Amount (mm)

0
0
0.2
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
19
19
19
18
17
17
16
15
15
14
13
13
14
13
12
12
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
85
82
82
76
71
63
65
69
73
78
81
82
86
89
93
93
93
92
93
93
93
92
92

Pressure (mb)

1010
1011
1011
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

335
336
337
337
338
339
338
336
337
339
339
339
340
342
343
344
347
350
353
353
353
353
350
347

Thursday 6

Third Quarter 48%

23:19

15:35

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

Sun - Rise: 05:47, Set: 20:58, Transit: 13:22. Moon - Rise: 23:19, Set: 15:35. Civil Dark: 21:39 - 05:06. Nautical Dark: 22:33 - 04:13. Astro Dark: 23:45 - 03:02

Total Clouds (% Sky Obscured)

85
83
79
61
44
30
18
9
0
0
1
1
19
37
55
68
80
90
89
87
79
79
79
80

Low Clouds (% Sky Obscured)

73
73
74
61
44
27
16
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
5
0
0
0
0
0
0
0
0
0
1
7
15
27
29
31
31
22
15
8
11
15
19

High Clouds (% Sky Obscured)

27
12
1
1
0
0
0
0
0
0
1
1
11
19
32
43
52
71
72
65
63
60
63
61

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 (%)

21
17
22
17
12
10
9
5
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)

12
11
11
11
11
11
11
10
10
9
7
6
4
3
2
2
2
4
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
82
77
73
69
68
66
65
65
65
64
64
71
75
82
84
86
87
86
86
84
83
80

Pressure (mb)

1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019

Ozone (du)

344
342
340
338
338
339
339
339
339
340
339
338
337
334
331
328
327
326
326
324
323
322
322
322

Friday 7

Waning Crescent 37%

23:55

17:03

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: 05:48, Set: 20:57, Transit: 13:22. Moon - Rise: 23:55, Set: 17:03. Civil Dark: 21:37 - 05:08. Nautical Dark: 22:30 - 04:16. Astro Dark: 23:41 - 03:06

Total Clouds (% Sky Obscured)

80
81
86
95
99
100
100
100
100
100
100
100
96
92
89
83
77
70

Low Clouds (% Sky Obscured)

8
16
24
33
42
51
62
73
84
86
89
93
86
78
71
62
54
45

Medium Clouds (% Sky Obscured)

31
41
52
56
59
63
74
83
90
90
91
91
84
78
71
54
36
19

High Clouds (% Sky Obscured)

61
61
61
70
77
80
79
79
77
66
54
43
35
25
12
20
27
40

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 (%)

8
8
5
29
37
38
42
40
36
35
37
33
27
17
7
4
1
0

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
67
59
51
50
49
48
51
53
55
58
61
63
67
69
73
74
74

Pressure (mb)

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

Ozone (du)

322
322
322
322
323
323
324
325
326
327
327
327
328
328
328
328
330
332

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

Generated: 01/08/26 07:09:31. Forecast: 01/08/26 to 07/08/26. Timezone: UTC+1.00