Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 100%

22:05

03:41

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

Sun - Rise: 04:57, Set: 21:42, Transit: 13:19. Moon - Rise: 22:05, Set: 03:41. Civil Dark: 22:31 - 04:08. Nautical Dark: 23:51 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
52
54
65
75
69
93
95
100
100
97
90
45
66
100
100
100
100
100
99
96
96
95
100

Low Clouds (% Sky Obscured)

33
52
54
54
46
57
58
55
49
43
36
23
5
0
0
15
31
64
80
51
52
43
61
55

Medium Clouds (% Sky Obscured)

11
52
54
24
40
13
2
4
44
89
93
80
36
47
23
61
100
100
100
96
90
87
64
77

High Clouds (% Sky Obscured)

33
20
35
2
5
25
85
85
100
100
75
7
0
29
100
100
100
99
100
94
68
53
81
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
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
4
16
16
13
15
0
1
0
0
0
0
0
0
0
0
2
16
16
8
3
1
3

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)

15
15
14
12
12
11
11
11
11
10
10
9
8
8
8
6
6
6
6
5
2
3
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
12
13
13
12
12
12
12
12
12
12
12
13
13
13
13
14
14
14
13

Relative Humidity (%)

86
89
92
93
92
93
92
87
83
79
75
74
73
70
71
73
77
81
82
83
87
90
90
87

Pressure (mb)

1023
1024
1024
1024
1024
1024
1025
1026
1026
1026
1026
1027
1027
1026
1026
1026
1026
1025
1025
1025
1024
1025
1025
1024

Ozone (du)

342
339
338
336
334
336
339
339
341
343
345
348
349
345
342
338
337
336
335
335
339
343
347
349

Tuesday 30

Full Moon 100%

22:38

04:42

01 Bad
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

Sun - Rise: 04:58, Set: 21:42, Transit: 13:20. Moon - Rise: 22:38, Set: 04:42. Civil Dark: 22:31 - 04:08. Nautical Dark: 23:51 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
96
94
73
95
96
93
98
91
98
92
81
70
53
47
62
85
85
85
88
84

Low Clouds (% Sky Obscured)

47
67
63
63
69
61
73
90
84
88
66
76
84
73
73
61
49
43
60
75
79
77
77
73

Medium Clouds (% Sky Obscured)

81
75
88
40
48
44
46
46
43
37
41
28
38
30
34
19
8
6
14
20
26
25
29
27

High Clouds (% Sky Obscured)

100
100
100
100
7
2
0
0
0
0
0
0
0
8
9
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

5
32
34
9
19
9
12
16
45
49
48
53
79
82
72
65
29
8
10
10
13
19
26
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
7
8
12
13
13
14
15
15
14
13
13
13
12
12
11
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
92
92
92
89
85
83
83
83
86
86
89
88
86
85
86
87
92
96
96
95
95

Pressure (mb)

1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

350
351
353
354
355
355
356
360
360
360
362
362
362
364
365
366
365
367
368
367
367
367
369
370

Wednesday 1

Waning Gibbous 99%

23:02

05:52

01 Bad
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

Sun - Rise: 04:58, Set: 21:41, Transit: 13:20. Moon - Rise: 23:02, Set: 05:52. Civil Dark: 22:30 - 04:09. Nautical Dark: 23:50 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
94
88
92
91
100
100
100
98
99
84
86
85
71
62
59
70
51
67
49
55
51
52
74

Low Clouds (% Sky Obscured)

76
74
65
71
84
88
88
84
88
80
67
74
65
51
51
41
38
40
47
49
55
51
52
67

Medium Clouds (% Sky Obscured)

31
25
26
22
25
14
11
37
32
22
27
29
30
35
35
38
41
46
59
44
37
33
34
33

High Clouds (% Sky Obscured)

0
70
60
50
20
82
100
100
67
89
69
67
52
8
7
8
19
7
3
0
0
0
0
15

ISS Passover

Visibility (miles)

5
3
9
0
0
6
7
7
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
19
13
12
11
12
7
14
17
16
9
8
3
1
0
0
0
0
2
2
1
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
96
90
92
90
89
86
82
82
81
79
79
81
81
80
85
90
92
92
93

Pressure (mb)

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

Ozone (du)

369
366
363
359
349
344
340
335
331
330
327
325
323
321
320
318
318
318
315
315
315
315
318
315

Thursday 2

Waning Gibbous 96%

23:20

07:07

01 Bad
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

Sun - Rise: 04:59, Set: 21:41, Transit: 13:20. Moon - Rise: 23:20, Set: 07:07. Civil Dark: 22:30 - 04:10. Nautical Dark: 23:48 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
98
94
97
96
79
76
70
69
74
83
56
54
51
47
54
66
51
45

Low Clouds (% Sky Obscured)

94
97
100
100
100
100
97
93
92
91
79
76
70
69
74
83
56
54
51
47
54
64
50
45

Medium Clouds (% Sky Obscured)

36
38
40
30
25
19
19
22
19
15
12
8
18
22
29
22
12
4
3
1
0
0
0
0

High Clouds (% Sky Obscured)

11
0
1
0
0
1
0
1
2
7
2
4
4
4
7
32
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
7
0
0
6
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
25
36
44
39
45
38
34
37
15
13
18
11
10
21
15
20
24
9
4
2
4
4
1

Precipitation Amount (mm)

0
0
0
0.2
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)

12
14
15
17
21
20
21
20
20
20
20
19
18
18
18
17
14
12
8
6
6
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
93
95
98
98
95
90
90
86
75
72
71
72
72
70
72
76
77
81
86
86
83
89

Pressure (mb)

1023
1022
1021
1020
1020
1020
1021
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1028
1028
1029

Ozone (du)

314
314
313
314
316
317
316
315
315
315
316
317
319
320
323
327
336
344
353
366
365
362
362
354

Friday 3

Waning Gibbous 91%

23:33

08:23

01 Bad
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 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 05:00, Set: 21:41, Transit: 13:20. Moon - Rise: 23:33, Set: 08:23. Civil Dark: 22:29 - 04:11. Nautical Dark: 23:47 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
68
68
71
88
99
97
76
91
94
89
99
100
100
100
74
49
27
19
10
0
3
6
9

Low Clouds (% Sky Obscured)

41
39
36
44
54
59
52
46
43
40
36
33
31
27
25
21
15
12
8
4
0
3
6
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
6
7
6
5
4
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
26
29
46
75
99
91
63
75
84
79
98
99
99
100
74
49
26
19
5
0
0
0
0

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
89
89
89
87
83
80
79
77
72
69
72
73
74
75
78
81
81
82
82
83
84

Pressure (mb)

1029
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031

Ozone (du)

347
346
343
341
338
335
333
331
329
328
326
326
326
327
328
329
329
329
328
328
327
326
325
324

Saturday 4

Waning Gibbous 85%

23:45

09:39

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

Sun - Rise: 05:01, Set: 21:40, Transit: 13:20. Moon - Rise: 23:45, Set: 09:39. Civil Dark: 22:29 - 04:12. Nautical Dark: 23:46 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

21
42
51
50
48
47
54
59
55
58
62
67
64
60
54
46
48
39
35
35
38
40
46
60

Low Clouds (% Sky Obscured)

21
42
48
50
48
47
54
59
55
58
62
62
56
53
54
46
48
39
35
35
35
32
34
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
16
28

ISS Passover

Visibility (miles)

9
8
7
5
4
2
1
4
6
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
9
16
19
21
26
31
22
13
3
4
2
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)

11
11
11
10
9
9
9
9
9
10
10
10
11
10
9
8
7
6
5
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
11
11
12
12
13
14
14
15
14
15
18
17
17
17
17
18
18
18
18
18
18

Dew Point (°C)

12
12
12
13
13
14
15
15
15
15
15
15
14
14
14
14
14
14
14
13
12
12
11
11

Relative Humidity (%)

86
89
92
95
96
96
96
93
89
86
83
81
78
78
77
76
76
77
77
79
82
84
84
84

Pressure (mb)

1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1031
1030
1030

Ozone (du)

322
321
320
318
317
316
315
314
313
312
311
310
308
308
308
308
308
309
309
309
310
311
311
310

Sunday 5

Waning Gibbous 77%

23:55

10:56

Sun - Rise: 05:02, Set: 21:40, Transit: 13:21. Moon - Rise: 23:55, Set: 10:56. Civil Dark: 22:28 - 04:13. Nautical Dark: 23:44 - 02:57. Astro Dark: N/A - N/A

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

Generated: 29/06/26 00:30:06. Forecast: 29/06/26 to 05/07/26. Timezone: UTC+1.00