Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Crescent 5%

10:39

16:56

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
07 Bad

Sun - Rise: 07:52, Set: 16:14, Transit: 12:02. Moon - Rise: 10:39, Set: 16:56. Civil Dark: 16:53 - 07:13. Nautical Dark: 17:35 - 06:31. Astro Dark: 18:16 - 05:50

Total Clouds (% Sky Obscured)

100
100
98
92
76
98
90
92
92
77
87
87
85
90
92
52
74
90
97
100
98
81
88
80

Low Clouds (% Sky Obscured)

100
75
60
71
48
49
71
80
59
55
76
68
69
63
70
52
40
60
68
98
84
51
71
65

Medium Clouds (% Sky Obscured)

68
38
16
77
48
97
81
87
89
70
69
54
8
29
15
13
32
29
43
99
96
81
20
24

High Clouds (% Sky Obscured)

60
64
6
7
3
50
45
30
40
0
0
1
21
2
1
0
0
0
0
19
0
1
0
0

ISS Passover

Visibility (miles)

5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
0
9
3

Fog (%)

0
0
0
7
1
0
0
0
0
0
0
4
9
6
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

77
39
13
15
1
7
5
12
28
23
23
35
41
50
39
22
10
14
70
95
95
95
78
93

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0.4
1.7
3
1.6
0.7
1

Wind Speed/Direction (mph)

7
5
7
7
6
5
4
6
5
6
7
7
6
6
7
7
7
7
8
10
12
19
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
85
84
81
80
82
84
84
85
85
87
88
93
95
90
91
93
91
91
96
96
84
79

Pressure (mb)

1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1006
1005
1003
1001
999
998
999
999

Ozone (du)

266
265
266
268
266
262
262
262
259
261
264
266
267
263
264
266
264
265
265
264
265
265
271
274

Sunday 23

Waxing Crescent 10%

11:29

17:55

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
07 Bad

Sun - Rise: 07:54, Set: 16:13, Transit: 12:02. Moon - Rise: 11:29, Set: 17:55. Civil Dark: 16:52 - 07:15. Nautical Dark: 17:34 - 06:32. Astro Dark: 18:15 - 05:51

Total Clouds (% Sky Obscured)

90
89
88
81
81
72
85
60
55
62
98
100
100
100
100
100
100
97
86
91
92
95
94
83

Low Clouds (% Sky Obscured)

74
64
73
59
63
52
59
44
41
35
57
100
90
92
100
100
98
94
76
82
81
88
44
39

Medium Clouds (% Sky Obscured)

82
77
59
57
25
29
32
22
19
52
96
95
98
98
100
100
100
59
69
70
66
87
64
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
43
0
0
0
0
3

ISS Passover

Visibility (miles)

3
4
4
4
5
5
6
9
9
9
6
5
6
5
5
5
5
5
2
5
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

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

Precipitation Probability (%)

86
85
85
76
72
65
58
53
40
51
70
88
95
95
95
95
95
95
94
75
74
75
57
23

Precipitation Amount (mm)

0.8
0.8
0.9
0.7
0.6
0.5
0.4
0.3
0
0
0.4
0.6
0.8
1
1
1
1
2
0.9
0.4
0.4
0.5
0
0

Wind Speed/Direction (mph)

23
23
23
23
24
24
24
25
25
27
28
28
31
30
29
28
26
24
23
20
18
16
11
11

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
8
8
8
8
8
8
8
8
8
7
8
7
8
7

Feels Like (°C)

1
1
1
1
1
1
1
1
1
-1
-1
-1
-1
-1
-1
-1
0
0
-1
0
1
2
4
3

Dew Point (°C)

5
4
5
4
5
5
4
4
5
5
6
6
6
6
6
6
6
5
6
6
5
6
5
4

Relative Humidity (%)

79
78
78
77
77
77
75
75
75
77
82
84
87
84
87
87
85
82
91
88
84
88
85
78

Pressure (mb)

999
999
999
998
998
997
997
996
995
995
994
994
993
992
992
991
992
992
992
992
992
992
992
993

Ozone (du)

281
281
280
284
287
287
285
283
282
281
284
287
287
289
290
293
294
296
300
300
301
302
304
304

Monday 24

Waxing Crescent 17%

12:05

19:05

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

Sun - Rise: 07:55, Set: 16:12, Transit: 12:03. Moon - Rise: 12:05, Set: 19:05. Civil Dark: 16:51 - 07:16. Nautical Dark: 17:33 - 06:33. Astro Dark: 18:14 - 05:53

Total Clouds (% Sky Obscured)

69
93
89
37
77
76
19
17
16
44
90
96
96
96
95
95
96
84
9
5
5
3
5
5

Low Clouds (% Sky Obscured)

46
31
34
37
58
76
19
17
16
26
27
22
1
1
14
24
11
14
9
5
5
1
1
1

Medium Clouds (% Sky Obscured)

35
90
47
28
44
0
6
0
0
20
50
41
30
72
65
65
65
53
3
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
3
0
0
5
3
2
16
37
14
71
55
50
35
25
10
11
0
0
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 (%)

11
5
6
17
37
10
3
4
2
1
0
0
0
0
0
0
1
2
1
7
12
0
2
5

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)

10
12
11
11
13
18
18
17
16
15
14
12
10
7
5
5
5
6
6
6
6
6
7
5

Chance of Frost

Temperature (°C)

7
6
7
8
8
9
9
8
7
6
7
7
7
6
6
6
6
6
5
5
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

4
4
5
4
4
4
5
5
4
4
4
2
3
2
2
2
2
2
2
2
2
2
2
1

Relative Humidity (%)

84
84
85
78
73
73
74
79
82
84
81
69
71
76
76
75
75
78
80
82
83
83
83
82

Pressure (mb)

994
996
997
999
999
1000
1002
1003
1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1013
1014
1014
1015
1016
1016

Ozone (du)

305
308
310
310
310
305
304
303
301
298
295
293
296
293
293
297
300
302
301
302
301
300
299
298

Tuesday 25

Waxing Crescent 25%

12:31

20:21

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

Sun - Rise: 07:57, Set: 16:11, Transit: 12:03. Moon - Rise: 12:31, Set: 20:21. Civil Dark: 16:50 - 07:18. Nautical Dark: 17:33 - 06:35. Astro Dark: 18:13 - 05:54

Total Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
1
1
2
6
10
17
31
88
49
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
1
1
11
21
30
22
14
6
20
27
35
40
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
3
2
1
2
20
16
76
42
94
100
97
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
4
10
21
55
40
88
100
100
100
100
98
88

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
1
2
0
1
2
0
2
3
1
2
4
0
1
2
0
4
3
0
3
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
2
2
3
3
2
2
1
1
1
1
1
1
1
1
2
2
3
3
3
3

Relative Humidity (%)

82
82
79
72
69
68
70
73
76
76
78
79
80
80
82
82
82
83
85
86
88
88
88
86

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

300
299
299
299
297
295
294
295
292
291
291
290
289
288
286
287
286
285
283
282
282
283
283
281

Wednesday 26

Waxing Crescent 34%

12:49

21:41

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
07 Bad

Sun - Rise: 07:59, Set: 16:10, Transit: 12:03. Moon - Rise: 12:49, Set: 21:41. Civil Dark: 16:49 - 07:19. Nautical Dark: 17:32 - 06:36. Astro Dark: 18:13 - 05:55

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

55
50
66
77
78
85
97
100
100
100
100
100
100
98
96
94
94
94
94
95
95
95
95
97

Medium Clouds (% Sky Obscured)

91
28
32
40
96
96
59
64
95
88
77
73
69
64
59
57
52
49
39
32
27
22
27
27

High Clouds (% Sky Obscured)

91
83
71
61
73
84
100
94
84
84
98
95
90
86
90
97
72
48
26
54
77
99
82
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
5
7
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
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
2
4
2
7
9
4
7
7
11
20
27
35
31
33
54
54
61
62
41
23
19
13
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
79
78
77
78
84
85
85
85
88
90
91
93
95
95
95
96
96
96
95
93
95

Pressure (mb)

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

Ozone (du)

281
281
280
279
278
278
277
277
275
275
274
273
272
272
271
269
268
267
266
265
264
263
263
263

Thursday 27

Waxing Crescent 44%

13:03

23:01

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
07 Bad

Sun - Rise: N/A, Set: 16:09, Transit: 12:04. Moon - Rise: 13:03, Set: 23:01. Civil Dark: 16:48 - 07:20. Nautical Dark: 17:31 - 06:37. Astro Dark: 18:12 - 05:56

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
97
94
92
94
96

Low Clouds (% Sky Obscured)

96
95
94
94
95
96
98
98
99
100
99
97
92
91
89
86
88
92
96
87
78
68
63
59

Medium Clouds (% Sky Obscured)

26
32
31
29
42
67
92
86
80
69
55
38
23
42
64
88
92
93
95
84
73
62
64
66

High Clouds (% Sky Obscured)

34
27
20
18
12
11
15
43
68
90
69
48
26
37
48
58
64
69
69
51
35
17
19
24

ISS Passover

Visibility (miles)

6
4
6
7
9
9
9
9
8
7
7
7
8
9
6
3
1
0
0
0
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

32
22
18
26
17
19
24
36
55
58
44
40
36
36
48
60
56
58
64
43
29
31
29
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0.3
0.2
0.3
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
10
9
9
9
9
9
8
8
9
9
9
9
9
9
9
10
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

96
98
95
93
90
90
92
93
93
93
95
95
95
93
95
96
98
96
98
96
95
93
90
90

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

264
265
263
262
261
260
259
259
259
259
259
261
263
265
267
268
269
269
269
269
270
270
271
273

Friday 28

First Quarter 55%

13:15

00:22

Sun - Rise: 08:00, Set: 16:08, Transit: 12:04. Moon - Rise: 13:15, Set: 00:22. Civil Dark: 16:48 - 07:22. Nautical Dark: 17:31 - 06:39. Astro Dark: 18:12 - 05:58

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: 22/11/25 07:31:59. Forecast: 22/11/25 to 28/11/25. Timezone: UTC+0.00