Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waxing Gibbous 86%

13:50

03:11

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
01 Bad

Sun - Rise: 08:04, Set: 16:06, Transit: 12:05. Moon - Rise: 13:50, Set: 03:11. Civil Dark: 16:46 - 07:24. Nautical Dark: 17:29 - 06:41. Astro Dark: 18:10 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
84
87
94
100
88

Low Clouds (% Sky Obscured)

98
100
100
100
89
86
88
100
77
85
90
61
80
70
66
71
86
71
71
61
52
75
94
70

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
12
60
68
73
100
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
75
40
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
4
1
1
1
1
6
3
2
2
2
7
8
3
7
9
9
7
8
6
9
4
4

Fog (%)

0
0
0
0
0
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
63
45
48
63
50
62
75
88
82

Precipitation Amount (mm)

1.3
0.2
0.4
2.3
2.8
3.6
2.3
1.2
2.3
2.1
3.5
0.8
0.6
0.8
1.2
0.2
0
0.2
0.4
0
0.4
0.6
0.8
0.7

Wind Speed/Direction (mph)

28
27
24
20
19
22
23
23
22
22
20
21
22
22
23
23
23
26
22
21
17
15
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
3
6
8
8
8
6
6
7
6
6
7
7
7
5
3
2
-1
1
1
2
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

90
93
96
98
98
96
95
92
93
95
93
95
92
92
90
85
88
90
88
90
87
84
84
82

Pressure (mb)

999
998
997
996
996
995
995
995
994
993
992
991
990
989
989
989
989
991
992
993
994
994
995
995

Ozone (du)

266
264
266
265
261
259
258
261
261
263
266
268
270
273
275
278
283
290
294
298
302
303
305
304

Tuesday 2

Waxing Gibbous 94%

14:06

04:42

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
01 Bad

Sun - Rise: 08:06, Set: 16:05, Transit: 12:06. Moon - Rise: 14:06, Set: 04:42. Civil Dark: 16:45 - 07:26. Nautical Dark: 17:29 - 06:42. Astro Dark: 18:10 - 06:01

Total Clouds (% Sky Obscured)

94
94
93
96
97
81
77
63
55
59
74
87
100
95
99
99
83
64
63
63
59
75
96
95

Low Clouds (% Sky Obscured)

90
93
93
89
90
81
77
63
51
37
52
55
50
58
49
50
42
45
44
54
52
64
65
77

Medium Clouds (% Sky Obscured)

91
76
59
30
43
18
14
20
23
34
52
79
100
86
97
98
76
50
55
50
48
14
55
60

High Clouds (% Sky Obscured)

0
2
76
66
48
0
0
0
0
0
0
0
2
17
40
50
50
45
45
0
0
1
52
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

80
82
75
64
61
48
43
46
45
50
52
52
38
43
40
44
66
95
87
27
14
12
18
19

Precipitation Amount (mm)

0.6
0.7
0.7
0.6
0.5
0.4
0.2
0
0.2
0.2
0.2
0.3
0
0
0
0
0.3
1
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
15
13
13
11
10
9
10
13
14
13
12
11
10
9
9
9
9
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
84
84
81
86
88
85
79
80
80
81
85
90
91
88
88
91
93
93
91
91
91

Pressure (mb)

996
996
997
997
998
998
999
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1003
1003
1003
1003

Ozone (du)

302
302
302
300
300
305
304
300
300
300
301
303
305
311
313
313
312
314
310
309
309
307
302
300

Wednesday 3

Waxing Gibbous 98%

14:28

06:19

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
01 Bad

Sun - Rise: 08:07, Set: 16:05, Transit: 12:06. Moon - Rise: 14:28, Set: 06:19. Civil Dark: 16:45 - 07:27. Nautical Dark: 17:28 - 06:43. Astro Dark: 18:10 - 06:02

Total Clouds (% Sky Obscured)

97
65
55
50
54
69
76
69
79
80
85
52
62
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
65
52
41
52
69
76
55
63
53
68
36
42
41
49
41
40
50
38
34
51
98
88
77

Medium Clouds (% Sky Obscured)

65
4
26
2
2
6
3
11
23
2
0
52
62
60
72
100
100
100
96
92
100
79
100
99

High Clouds (% Sky Obscured)

50
7
0
0
0
0
0
0
0
0
0
37
45
99
100
100
100
100
100
69
35
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

29
31
37
38
39
39
42
50
47
55
55
55
43
35
16
15
15
15
8
7
20
56
72
82

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
10
9
9
9
9
8
9
11
13
13
13
12
11
10
10
11
13
15
16
17
18
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
91
91
91
91
90
88
88
87
84
84
88
90
91
90
91
87
84
82
82
84

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1004
1004
1003
1003
1003
1002
1002
1002
1001
1000
999
998
997
996

Ozone (du)

299
301
302
302
304
303
307
307
306
304
305
307
305
304
308
314
312
307
309
310
310
309
308
312

Thursday 4

Full Moon 100%

15:02

07:56

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

Sun - Rise: 08:09, Set: 16:04, Transit: 12:06. Moon - Rise: 15:02, Set: 07:56. Civil Dark: 16:45 - 07:28. Nautical Dark: 17:28 - 06:45. Astro Dark: 18:09 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
95
93
79
24
30
82
88
60
17
65
24
23
18
13
25
17
14

Low Clouds (% Sky Obscured)

63
63
65
63
42
37
38
29
26
24
24
30
52
62
60
17
65
24
23
18
13
25
17
14

Medium Clouds (% Sky Obscured)

45
100
100
100
93
83
72
61
57
41
20
30
82
82
60
17
65
24
23
18
13
25
17
11

High Clouds (% Sky Obscured)

100
100
99
100
95
91
88
67
46
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
84
62
32
25
18
14
12
9
4
8
9
7
20
26
31
36
36
17
22
26
8
10
7

Precipitation Amount (mm)

0.5
0.4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
81
81
85
85
85
82
78
73
70
73
77
79
82
84
84
85
85
86
85
86
86

Pressure (mb)

995
994
995
996
996
996
997
998
998
998
999
999
999
999
999
1000
1000
1001
1002
1002
1003
1004
1004
1005

Ozone (du)

315
315
321
329
337
335
333
335
340
341
345
346
350
353
352
348
347
348
349
353
357
356
357
358

Friday 5

Waning Gibbous 98%

15:54

09:24

02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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

Sun - Rise: 08:10, Set: 16:04, Transit: 12:07. Moon - Rise: 15:54, Set: 09:24. Civil Dark: 16:44 - 07:29. Nautical Dark: 17:28 - 06:46. Astro Dark: 18:09 - 06:04

Total Clouds (% Sky Obscured)

8
12
14
13
11
12
11
16
18
20
27
99
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
12
14
13
11
12
11
16
18
20
27
50
47
50
60
57
0
0
5
10
10
10
25
43

Medium Clouds (% Sky Obscured)

0
2
4
6
3
1
0
10
18
20
27
47
82
87
93
100
79
88
97
97
96
96
92
88

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
16
18
20
27
48
27
26
21
10
33
39
52
79
88
95
92
86

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
2
0
1
0
0
0
0
0
4
3
4
9
15
22
25
33
40
59
69
72
79
84

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
8
8
7
7
7
7
7
7
7
8
9
10
11
11
12
10
11
12
14
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
88
89
88
89
91
88
84
80
81
82
84
87
87
85
84
81
79
82
84
85
88

Pressure (mb)

1005
1006
1006
1006
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1002
1008
1007
1007
1006
1005
1004
1004

Ozone (du)

357
363
361
356
349
341
336
332
329
324
317
309
304
301
302
302
304
306
307
309
309
309
310
309

Saturday 6

Waning Gibbous 96%

17:06

10:31

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
01 Bad

Sun - Rise: 08:11, Set: 16:03, Transit: 12:07. Moon - Rise: 17:06, Set: 10:31. Civil Dark: 16:44 - 07:30. Nautical Dark: 17:28 - 06:47. Astro Dark: 18:09 - 06:05

Total Clouds (% Sky Obscured)

100
97
94
91
93
95
97
97
97
97
90
84
77
82
88
95
96
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

55
70
79
87
86
85
88
88
88
88
82
74
68
74
84
94
81
69
59
56
53
51
56
65

Medium Clouds (% Sky Obscured)

80
82
84
87
88
87
83
79
69
56
41
37
32
34
38
42
33
24
15
35
55
74
80
86

High Clouds (% Sky Obscured)

78
68
62
61
57
54
43
31
20
11
7
4
2
2
2
1
29
57
85
90
95
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

84
88
88
83
86
91
95
76
62
60
45
40
53
43
43
48
42
39
39
25
18
18
13
10

Precipitation Amount (mm)

0.4
0.6
0.6
0.6
0.6
0.7
0.8
0.4
0.3
0.3
0
0
0.4
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
9
10
12
14
15
15
16
15
14
13
11
12
13
12
11
10
8
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

6
7
7
7
6
6
6
6
6
6
6
6
7
7
6
7
6
6
6
6
7
7
7
7

Relative Humidity (%)

90
93
91
91
88
87
85
85
84
82
81
81
84
84
85
87
87
88
90
91
91
90
90
90

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1012
1012
1012

Ozone (du)

308
307
305
304
302
301
300
299
299
299
299
297
295
293
291
290
288
286
285
283
282
281
280
283

Sunday 7

Waning Gibbous 93%

18:34

11:16

Sun - Rise: 08:12, Set: 16:03, Transit: 12:08. Moon - Rise: 18:34, Set: 11:16. Civil Dark: 16:44 - 07:32. Nautical Dark: 17:27 - 06:48. Astro Dark: 18:09 - 06:06

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: 01/12/25 02:19:49. Forecast: 01/12/25 to 07/12/25. Timezone: UTC+0.00