Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waxing Gibbous 99%

15:47

No Set

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: 07:19, Set: 16:40, Transit: 11:59. Moon - Rise: 15:47, Set: No Set. Civil Dark: 17:16 - 06:44. Nautical Dark: 17:57 - 06:04. Astro Dark: 18:37 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
80
71
53
65
87
90
100
100
100
89
85
79
83
89
84

Medium Clouds (% Sky Obscured)

53
73
81
38
29
27
21
97
80
100
98
91
69
100
100
100
63
48
100
100
100
100
98
100

High Clouds (% Sky Obscured)

89
100
100
95
83
100
33
93
64
66
99
100
100
100
100
100
100
100
100
80
100
35
21
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
73
70
58
48
50
41
28
34
79
95
95
92
58
56
47
64
95
95
95
95
95

Precipitation Amount (mm)

0.5
2.1
1.5
0.3
0.4
0.2
0
0.2
0
0
0
0.3
0.3
1.3
0.6
0.2
0
0
0
0.7
1.2
1.6
1.4
1.3

Wind Speed/Direction (mph)

27
25
24
19
18
17
16
14
11
9
8
7
7
7
8
10
12
12
13
12
11
11
11
12

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
14
14
14
13
13

Relative Humidity (%)

92
95
93
93
93
95
92
93
92
95
95
93
95
95
95
93
92
92
95
95
95
95
93
92

Pressure (mb)

1005
1005
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

270
269
269
268
268
270
270
272
273
273
273
273
273
274
276
276
276
275
275
273
270
269
266
266

Wednesday 5

Full Moon 100%

16:06

07:22

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: 07:21, Set: 16:38, Transit: 11:59. Moon - Rise: 16:06, Set: 07:22. Civil Dark: 17:15 - 06:46. Nautical Dark: 17:55 - 06:05. Astro Dark: 18:35 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
94
100
100
96
100
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
77
74
84
80
67
91
73
83
91
87
71
66
52
48
79
84
65
86
100
81
72
87
100

Medium Clouds (% Sky Obscured)

100
98
92
100
65
58
84
52
50
64
44
64
59
48
82
99
100
96
99
90
48
68
60
60

High Clouds (% Sky Obscured)

100
100
99
94
100
100
100
94
72
100
100
84
100
89
85
54
93
100
93
100
92
100
100
100

ISS Passover

Visibility (miles)

4
4
5
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

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

Precipitation Probability (%)

95
95
75
52
28
23
43
24
16
11
13
21
7
6
46
73
95
63
17
17
13
10
3
6

Precipitation Amount (mm)

1.3
1.1
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
13
13
13
13
13
13
13
12

Relative Humidity (%)

89
90
90
86
85
83
85
87
85
79
82
86
87
89
89
90
90
90
90
90
92
92
92
90

Pressure (mb)

1001
1001
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

265
265
266
265
265
265
265
265
267
268
268
269
269
271
273
273
275
276
276
275
273
275
273
272

Thursday 6

Waning Gibbous 96%

16:33

09:01

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 OK
06 OK

Sun - Rise: 07:22, Set: 16:36, Transit: 11:59. Moon - Rise: 16:33, Set: 09:01. Civil Dark: 17:13 - 06:48. Nautical Dark: 17:54 - 06:07. Astro Dark: 18:34 - 05:27

Total Clouds (% Sky Obscured)

100
97
91
97
98
100
87
97
100
86
99
71
19
35
75
89
99
99
99
85
28
49
20
23

Low Clouds (% Sky Obscured)

82
79
82
78
77
80
87
91
87
76
74
69
19
35
42
61
76
67
59
45
28
44
20
23

Medium Clouds (% Sky Obscured)

60
55
52
56
58
72
67
79
55
54
82
4
2
2
3
4
4
4
6
6
6
6
3
16

High Clouds (% Sky Obscured)

100
60
27
50
60
60
9
9
50
17
4
26
3
3
33
15
25
18
41
43
28
17
0
23

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

Precipitation Probability (%)

3
9
26
35
32
43
55
35
34
35
19
27
5
7
3
4
16
8
8
7
5
6
1
2

Precipitation Amount (mm)

0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

13
14
14
15
16
16
16
16
15
15
14
13
13
12
12
12
12
12
12
12
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
83
80
78
78
78
79
83
84
86
89
90
90
92
87
80
77
79
80
85
87
88

Pressure (mb)

1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

273
273
273
273
274
274
275
276
279
280
279
281
285
287
289
289
288
289
293
294
294
294
295
295

Friday 7

Waning Gibbous 90%

17:15

10:35

07 OK
08 OK
09 Bad
10 OK
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: 07:24, Set: 16:35, Transit: 12:00. Moon - Rise: 17:15, Set: 10:35. Civil Dark: 17:12 - 06:49. Nautical Dark: 17:52 - 06:08. Astro Dark: 18:32 - 05:28

Total Clouds (% Sky Obscured)

24
21
58
21
91
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
18
24
21
54
65
67
85
77
83
78
79
77
75
79
81
85
79
72
67
68
68
73
73

Medium Clouds (% Sky Obscured)

24
21
52
21
72
89
62
66
95
92
100
83
68
56
64
69
76
83
90
84
91
42
78
87

High Clouds (% Sky Obscured)

24
21
58
21
2
4
21
61
74
63
99
100
71
100
100
100
100
100
91
72
48
42
88
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
8
21
38
59
75
81
70
56
23
22
28
34
47
40
29
31
26
28
20
15
17
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
11
13
15
14
14
14
13
12
10
8
7
5
6
6
5
5
4
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
8
9
10
10
10
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

88
88
86
79
70
74
80
79
84
89
90
89
86
86
86
89
90
89
87
87
88
87
87
90

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1007
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012

Ozone (du)

295
296
299
300
307
310
300
292
290
289
288
288
287
286
284
281
277
274
272
271
269
267
266
266

Saturday 8

Waning Gibbous 82%

18:16

11:52

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: 07:26, Set: 16:33, Transit: 12:00. Moon - Rise: 18:16, Set: 11:52. Civil Dark: 17:10 - 06:51. Nautical Dark: 17:51 - 06:10. Astro Dark: 18:31 - 05:30

Total Clouds (% Sky Obscured)

100
100
97
94
91
89
88
91
90
90
95
75
69
72
70
73
83
88
98
98
99
99
99
93

Low Clouds (% Sky Obscured)

72
71
64
56
50
37
30
15
13
12
10
56
60
65
65
63
61
67
73
78
82
83
86
76

Medium Clouds (% Sky Obscured)

81
100
69
42
15
49
39
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
100
69
33
15
10
10
11
0
8
1
3
2
1
1
1
0
6
12
17
18
20
22
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
7
9
9
9
9
8
7
8
8
8
8
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 (%)

6
4
9
8
13
16
25
21
17
13
10
20
16
16
17
18
20
20
18
14
13
13
11
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
11
11
11
11
10
10
10
11
10
10
11
10
10
10
9
9
9
9
8

Relative Humidity (%)

90
90
90
89
87
87
92
95
93
92
93
93
95
95
95
96
95
95
95
91
90
91
91
90

Pressure (mb)

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

Ozone (du)

265
266
267
270
273
275
277
279
281
281
282
284
282
280
279
278
277
276
275
274
273
275
276
277

Sunday 9

Waning Gibbous 72%

19:35

12:46

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: 07:28, Set: 16:31, Transit: 12:00. Moon - Rise: 19:35, Set: 12:46. Civil Dark: 17:08 - 06:53. Nautical Dark: 17:50 - 06:11. Astro Dark: 18:29 - 05:32

Total Clouds (% Sky Obscured)

87
82
87
93
98
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

66
53
43
33
23
40
59
77
84
87
90
92
91
88
89
88
88
89
91
91
94
96
98
94

Medium Clouds (% Sky Obscured)

0
0
2
4
5
28
54
79
73
63
47
63
77
93
95
98
100
100
100
100
100
99
99
93

High Clouds (% Sky Obscured)

41
50
67
84
98
98
97
93
93
95
99
78
56
35
56
77
97
79
67
51
59
75
93
78

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

11
2
6
6
2
9
11
8
15
17
16
22
23
21
31
44
60
78
89
93
82
81
93
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.4
0.4
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
11
12
12
12
12
12
12
11
11
11
11
11
11
11
11
12
12
12
12
12
12

Feels Like (°C)

8
8
8
8
8
8
11
10
10
10
10
11
9
9
9
9
9
9
10
9
9
9
9
9

Dew Point (°C)

9
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
10
10
10
11
11
11
11

Relative Humidity (%)

91
90
90
85
80
76
77
79
81
81
83
84
85
86
87
87
87
88
88
89
90
90
90
90

Pressure (mb)

1016
1016
1017
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008

Ozone (du)

276
275
274
271
268
266
265
264
262
263
263
263
263
263
263
265
266
267
268
270
271
271
272
272

Monday 10

Waning Gibbous 61%

21:01

13:21

Sun - Rise: 07:30, Set: 16:30, Transit: 12:00. Moon - Rise: 21:01, Set: 13:21. Civil Dark: 17:07 - 06:54. Nautical Dark: 17:48 - 06:13. Astro Dark: 18:28 - 05:33

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: 04/11/25 07:01:30. Forecast: 04/11/25 to 10/11/25. Timezone: UTC+0.00