Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 3

Waning Gibbous 63%

21:55

14:49

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
02 Bad

Sun - Rise: 06:31, Set: 19:59, Transit: 13:15. Moon - Rise: 21:55, Set: 14:49. Civil Dark: 20:34 - 05:56. Nautical Dark: 21:17 - 05:13. Astro Dark: 22:05 - 04:25

Total Clouds (% Sky Obscured)

100
100
99
98
95
96
91
91
99
82
86
94
100
100
73
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
69
71
70
74
65
43
36
39
31
40
34
21
10
40
88
92
91
90
86
86
88
90
100

Medium Clouds (% Sky Obscured)

68
24
67
17
12
14
13
12
13
24
39
51
49
29
26
32
24
48
76
99
100
100
100
100

High Clouds (% Sky Obscured)

100
100
99
83
45
66
41
40
86
69
49
92
94
96
73
75
37
28
92
98
98
94
72
100

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

0
2
15
16
23
22
25
15
26
27
17
28
22
38
34
52
66
82
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1
2.9
3.1
5.1
2.6

Wind Speed/Direction (mph)

19
19
18
16
15
15
15
16
16
17
17
17
20
20
21
21
20
19
20
19
18
18
13
11

Chance of Frost

Temperature (°C)

16
16
16
17
17
17
17
18
18
19
19
19
19
19
19
18
18
18
17
17
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
16
15
16
15
15
15
16
16
16

Relative Humidity (%)

96
98
96
96
96
95
93
90
88
84
82
85
85
86
88
88
86
88
86
85
89
96
98
100

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1015
1015
1014
1014
1014
1013
1012

Ozone (du)

301
302
302
302
304
302
300
300
298
298
298
297
298
297
295
294
296
295
295
294
292
292
292
293

Friday 4

Third Quarter 51%

22:41

16:09

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
02 Bad

Sun - Rise: 06:33, Set: 19:57, Transit: 13:15. Moon - Rise: 22:41, Set: 16:09. Civil Dark: 20:32 - 05:58. Nautical Dark: 21:15 - 05:15. Astro Dark: 22:02 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
98
100
98
100
100
100
75
66
72
70
71
55
92
89

Low Clouds (% Sky Obscured)

99
95
94
74
48
50
56
64
35
53
47
39
20
21
30
5
9
5
10
18
19
30
51
59

Medium Clouds (% Sky Obscured)

100
100
100
72
67
90
25
22
13
16
12
16
13
10
29
5
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
100
100
88
78
98
100
100
100
45
45
50
45
55
36
83
68

ISS Passover

Visibility (miles)

0
3
7
6
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

Light Rain
Light Rain
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

Precipitation Probability (%)

95
95
95
95
22
18
40
15
3
3
2
10
12
16
13
11
10
13
2
12
14
14
15
18

Precipitation Amount (mm)

0.7
1.2
1.1
1
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
14
13
13
14
16
19
21
21
21
21
21
21
19
18
17
17
16
16
15
15
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
12
11
11
10
10
11
11
10
11
11
12
12
12
13
13
13
12
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

98
98
95
90
89
83
83
80
75
74
74
73
73
74
79
79
81
83
82
85
86
83
86
87

Pressure (mb)

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

Ozone (du)

298
298
300
301
303
305
305
306
305
306
308
310
311
311
311
313
316
319
319
319
316
313
310
307

Saturday 5

Waning Crescent 39%

23:48

17:14

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
02 Bad

Sun - Rise: 06:35, Set: 19:54, Transit: 13:14. Moon - Rise: 23:48, Set: 17:14. Civil Dark: 20:29 - 05:59. Nautical Dark: 21:12 - 05:17. Astro Dark: 21:59 - 04:30

Total Clouds (% Sky Obscured)

92
73
89
96
98
97
94
98
97
100
100
96
93
89
73
84
76
72
56
63
69
63
69
62

Low Clouds (% Sky Obscured)

64
54
56
52
67
58
66
70
64
48
39
58
35
24
26
27
31
42
50
51
52
56
53
49

Medium Clouds (% Sky Obscured)

0
0
0
0
74
78
30
76
50
12
36
96
65
40
23
44
19
14
8
3
2
4
4
4

High Clouds (% Sky Obscured)

72
36
69
88
91
84
58
74
88
99
100
80
62
11
1
1
2
5
2
2
10
1
13
16

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
15
6
2
11
17
7
6
6
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
87
87
89
87
82
79
77
74
72
71
73
70
72
72
79
82
84
86
87
86
82
76

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1021

Ozone (du)

306
305
304
304
302
300
298
296
295
294
292
290
288
286
285
287
287
288
292
292
291
292
293
292

Sunday 6

Waning Crescent 28%

01:11

18:00

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
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

Sun - Rise: 06:36, Set: 19:52, Transit: 13:14. Moon - Rise: 01:11, Set: 18:00. Civil Dark: 20:27 - 06:01. Nautical Dark: 21:10 - 05:19. Astro Dark: 21:56 - 04:32

Total Clouds (% Sky Obscured)

59
72
84
96
72
49
25
37
44
57
69
85
100
100
100
100
51
45
48
43
49
70
95
90

Low Clouds (% Sky Obscured)

42
31
16
0
0
0
0
15
31
46
49
51
53
48
42
34
49
45
48
43
49
70
83
78

Medium Clouds (% Sky Obscured)

4
4
4
82
72
49
25
37
44
57
69
85
90
96
92
96
7
0
5
3
7
1
2
0

High Clouds (% Sky Obscured)

25
49
72
96
56
47
25
1
4
25
44
78
100
100
100
100
27
13
0
0
0
0
20
47

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
0
0
0
0
0
0
4
7
17
4
10
6
5
10
15
36
32
19
22
24
25

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
5
6
7
7
7
7
8
8
10
13
14
13
12
10
9
8
8
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

14
14
14
15
15
16
18
18
19
22
23
23
22
22
21
21
19
18
17
17
16
16
16
17

Feels Like (°C)

13
12
12
13
13
14
16
17
17
20
20
20
21
20
21
20
18
19
18
17
16
16
16
16

Dew Point (°C)

9
8
8
8
8
10
12
13
13
12
13
14
15
14
14
14
14
13
12
12
13
14
15
16

Relative Humidity (%)

71
67
63
61
62
68
71
69
69
53
54
59
63
61
64
67
69
73
72
72
81
89
92
93

Pressure (mb)

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

Ozone (du)

293
292
291
289
288
290
291
292
292
290
291
292
294
295
297
300
306
306
305
306
307
309
310
309

Monday 7

Waning Crescent 18%

02:41

18:31

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
02 Bad

Sun - Rise: 06:38, Set: 19:50, Transit: 13:14. Moon - Rise: 02:41, Set: 18:31. Civil Dark: 20:24 - 06:03. Nautical Dark: 21:07 - 05:20. Astro Dark: 21:53 - 04:34

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
91
85
80
81
79

Low Clouds (% Sky Obscured)

77
73
70
66
69
68
69
62
55
48
47
41
31
53
76
98
95
90
84
72
71
68
73
75

Medium Clouds (% Sky Obscured)

0
2
1
0
5
53
86
85
81
46
50
51
52
68
84
100
100
100
100
81
62
44
31
20

High Clouds (% Sky Obscured)

76
100
100
100
100
100
100
100
100
100
99
99
97
84
58
41
34
27
20
10
7
0
0
0

ISS Passover

Visibility (miles)

9
9
8
1
1
7
7
7
9
9
9
8
8
7
7
8
8
7
6
4
5
5
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
38
42
27
8
14
12
14
17
13
14
18
24
42
78
95
91
93
95
76
78
95
83
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.6
0.6
0.8
0.4
0.4
0.9
0.5
0.4

Wind Speed/Direction (mph)

7
7
7
10
9
11
10
11
13
15
17
18
19
20
21
22
23
22
21
20
20
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
16
14
13
13
12
13
12
12
13
12
13
13
14
14
14
10
9
9
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
96
96
93
90
90
87
82
77
78
81
82
82
83
83
83
80
80
79
79
79
80

Pressure (mb)

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

Ozone (du)

308
307
308
307
306
307
306
305
305
305
304
306
308
309
312
314
316
324
331
339
342
346
349
351

Tuesday 8

Waning Crescent 9%

No Rise

18:52

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
02 Bad

Sun - Rise: 06:39, Set: 19:47, Transit: 13:13. Moon - Rise: No Rise, Set: 18:52. Civil Dark: 20:22 - 06:05. Nautical Dark: 21:04 - 05:22. Astro Dark: 21:50 - 04:37

Total Clouds (% Sky Obscured)

77
76
77
75
66
60
53
59
67
77
70
63
57
59
60
60
58
51
41
47
59
72
72
73

Low Clouds (% Sky Obscured)

76
71
66
60
57
54
52
59
67
77
70
63
49
37
25
13
13
15
17
31
46
61
56
53

Medium Clouds (% Sky Obscured)

6
9
16
24
21
11
0
0
0
0
3
6
6
7
9
8
2
4
3
8
11
14
19
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
1
7
18
30
20
9
1
1
1
1
4
9

ISS Passover

Visibility (miles)

6
6
6
6
7
6
6
5
6
8
9
8
8
7
8
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
None
None
None
None
None
Light Rain
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
None
Very Light Rain
Light Rain
None
None
Light Rain
None
None

Precipitation Probability (%)

74
49
33
29
23
37
52
35
37
45
32
35
49
37
43
52
42
54
65
42
42
56
40
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
21
20
20
19
20
22
23
23
22
22
22
22
22
21
21
21
20
20
20
20
20
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
9
10
10
11
11
11
11
11
11
11
11
10
10
10
9
10
10
10
10
10
9

Relative Humidity (%)

81
83
84
83
84
84
84
84
82
79
76
75
73
73
72
70
70
70
73
74
78
80
84
83

Pressure (mb)

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

Ozone (du)

353
355
355
354
353
351
349
347
347
346
345
344
343
343
342
341
340
340
340
340
338
337
335
336

Wednesday 9

Waning Crescent 4%

04:12

19:08

Sun - Rise: 06:41, Set: 19:45, Transit: 13:13. Moon - Rise: 04:12, Set: 19:08. Civil Dark: 20:20 - 06:06. Nautical Dark: 21:02 - 05:24. Astro Dark: 21:47 - 04:39

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: 03/09/26 03:03:04. Forecast: 03/09/26 to 09/09/26. Timezone: UTC+1.00