Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

32
51
33
39
76
66
96
69
60
38
30
35
74
78
75
87
78
73
69
80
76
78
74
42

Low Clouds (% Sky Obscured)

32
51
33
39
76
66
81
69
50
38
26
27
39
44
51
64
45
38
38
48
41
48
52
42

Medium Clouds (% Sky Obscured)

32
27
24
28
22
20
65
24
39
14
14
17
74
78
75
75
78
71
65
61
50
50
3
0

High Clouds (% Sky Obscured)

32
0
0
2
2
0
0
0
2
2
2
2
12
40
40
35
35
40
40
50
31
49
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
74
61
56
54
58
45
44
51
46
47
38
42
40
43
50
74
91
95
90
34
16
9
11

Precipitation Amount (mm)

0.3
0.8
0.4
0.4
0.4
0.4
0.2
0
0
0
0.2
0
0
0
0
0
0.4
0.8
1
0.6
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

995
995
995
996
997
997
998
999
999
1000
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1003
1003

Ozone (du)

307
307
305
305
302
301
298
297
294
294
295
292
290
294
298
300
299
301
303
304
303
300
297
296

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 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

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)

33
36
80
78
67
73
71
59
46
32
27
41
94
100
100
100
100
100
100
100
100
100
100
89

Low Clouds (% Sky Obscured)

33
36
71
68
64
73
71
57
46
32
12
22
32
38
47
46
46
39
49
54
61
80
78
74

Medium Clouds (% Sky Obscured)

0
4
25
11
3
5
0
0
0
0
2
28
57
100
100
100
100
95
90
100
100
96
57
86

High Clouds (% Sky Obscured)

0
0
14
0
0
0
0
0
0
1
5
14
86
100
100
100
100
100
100
100
87
100
59
40

ISS Passover

Visibility (miles)

9
9
7
6
8
8
9
9
9
9
9
9
5
6
9
8
5
4
8
9
7
9
2
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None
Light Rain
None
Light Rain
Light Rain
None

Precipitation Probability (%)

12
32
43
34
36
35
28
30
23
14
36
45
42
30
35
43
40
47
44
73
55
95
95
68

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.2
0
0
0
0.4
0
0.8
0.6
0

Wind Speed/Direction (mph)

8
8
9
10
9
11
11
9
9
9
10
12
13
12
11
11
11
11
13
15
17
18
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

297
298
298
296
296
297
294
295
295
294
295
290
289
295
298
303
302
299
302
303
302
308
313
320

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 Bad
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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)

99
100
100
100
100
100
100
100
95
72
57
26
24
13
66
96
96
96
97
97
97
97
94
17

Low Clouds (% Sky Obscured)

86
84
59
57
62
52
63
51
60
69
42
26
24
13
58
46
64
68
59
50
40
26
17
10

Medium Clouds (% Sky Obscured)

80
100
100
100
100
100
100
100
90
55
28
0
0
0
7
50
50
55
63
65
57
65
71
17

High Clouds (% Sky Obscured)

96
54
100
100
100
100
100
100
56
0
0
0
0
0
0
1
9
2
0
27
35
4
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
8
8
7
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

58
34
21
17
19
27
29
20
25
28
30
22
21
16
14
17
34
57
50
35
27
17
17
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
15
13
11
10
9
10
9
9
9
10
10
9
9
7
6
5
6
7
7
7
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
77
76
75
74
74
74
70
69
68
66
66
66
70
72
75
79
82
79
81
81
81
83

Pressure (mb)

995
995
996
996
996
996
996
997
997
997
997
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1001
1001

Ozone (du)

323
326
328
330
332
333
339
347
354
356
360
370
371
369
370
370
369
368
366
367
368
368
367
359

Friday 5

Waning Gibbous 98%

15:54

09:24

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: 08:10, 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)

72
98
81
98
99
99
100
100
100
100
100
88
100
100
100
100
94
100
99
99
100
100
100
99

Low Clouds (% Sky Obscured)

10
23
24
26
30
23
11
36
78
100
98
88
95
87
81
73
74
80
84
85
85
86
86
86

Medium Clouds (% Sky Obscured)

27
31
31
33
95
97
100
100
100
100
100
78
100
100
100
98
80
86
81
88
94
100
95
91

High Clouds (% Sky Obscured)

2
9
3
5
37
70
100
100
77
74
96
60
100
100
45
40
68
82
29
45
71
100
79
64

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
3
9
5
4
7
4
5
9
8
7
5
9
7
5

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

25
27
20
10
9
7
6
54
79
95
95
95
95
95
95
95
94
85
81
81
79
80
91
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.5
1
1
1.9
1.2
0.9
0.7
0.5
0.4
0.4
0.4
0.4
0.5
0.6
0.7

Wind Speed/Direction (mph)

7
8
9
10
12
14
17
20
23
28
32
31
30
28
23
18
18
17
17
18
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
2
1
2
2
1
1
0
-1
-3
-3
-2
3
6
4
4
4
2
2
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
83
81
81
78
78
79
87
85
84
85
87
91
85
88
88
87
88
85
85
90

Pressure (mb)

1001
1001
1001
1000
999
998
997
996
994
991
989
986
984
982
982
981
981
980
980
980
981
981
981
981

Ozone (du)

346
338
333
329
323
318
313
309
308
307
306
309
305
306
312
314
314
312
314
313
313
312
312
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)

99
99
99
99
100
100
100
100
100
100
93
97
97
73
83
96
89
85
80
82
83
87
91
96

Low Clouds (% Sky Obscured)

87
89
92
96
97
98
100
97
94
92
80
72
62
71
83
96
83
77
71
72
73
75
80
83

Medium Clouds (% Sky Obscured)

90
92
88
93
96
98
80
99
99
83
63
38
31
41
53
79
50
33
16
16
16
19
25
33

High Clouds (% Sky Obscured)

56
11
27
44
65
60
16
40
20
8
1
7
2
0
1
6
15
8
1
3
4
4
8
17

ISS Passover

Visibility (miles)

9
8
4
5
3
4
4
6
2
2
6
8
5
3
6
5
4
5
6
7
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

95
94
93
90
95
95
95
95
95
88
70
79
86
80
86
92
75
65
62
48
40
40
35
34

Precipitation Amount (mm)

0.9
0.8
0.8
0.6
1.2
1.3
0.7
0.8
1.1
0.6
0.3
0.6
0.7
0.6
0.8
0.8
0.5
0.3
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

20
22
23
22
21
24
26
27
26
25
23
24
25
25
25
25
25
13
12
11
11
10
10
11

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
11
11
10
10
11
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
87
88
93
91
91
91
95
96
93
91
90
91
88
90
90
90
90
90
88
90
90
91

Pressure (mb)

981
981
981
982
982
983
984
985
985
986
987
987
988
989
990
991
992
992
994
995
996
997
997
998

Ozone (du)

309
309
311
309
308
305
303
301
297
299
299
297
297
298
299
302
303
299
294
289
291
294
297
295

Sunday 7

Waning Gibbous 93%

18:34

11:16

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 OK
00 OK
01 Bad

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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
85
78
63
50
36
43
49

Low Clouds (% Sky Obscured)

84
78
76
72
74
82
90
87
84
82
84
88
89
73
57
41
39
40
44
37
33
28
21
14

Medium Clouds (% Sky Obscured)

35
45
57
71
81
92
100
100
100
100
94
89
83
73
60
35
28
18
12
17
23
36
41
25

High Clouds (% Sky Obscured)

27
58
81
100
100
100
100
100
100
100
94
88
83
89
95
100
93
85
78
63
50
36
43
37

ISS Passover

Visibility (miles)

9
9
9
9
8
7
5
4
3
2
1
4
6
9
8
7
5
7
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

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

Precipitation Probability (%)

37
29
31
44
63
84
95
95
79
58
60
66
73
70
64
55
40
27
27
22
20
8
3
0

Precipitation Amount (mm)

0.2
0
0
0.2
0.3
0.6
0.9
0.7
0.4
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
6
6
5
6
6
6
6
6
9
7
6
6
6
6
3
4
4
3
4
3
4

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
95
93
95
93
96
96
96
95
90
87
85
87
85
85
84
82
81
81
81
82

Pressure (mb)

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

Ozone (du)

294
292
292
292
292
294
296
298
301
303
306
307
308
310
310
310
311
314
317
320
322
325
327
332

Monday 8

Waning Gibbous 86%

20:04

11:45

Sun - Rise: 08:13, Set: 16:03, Transit: 12:08. Moon - Rise: 20:04, Set: 11:45. Civil Dark: 16:43 - 07:33. Nautical Dark: 17:27 - 06:49. Astro Dark: 18:09 - 06:07

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: 02/12/25 02:55:28. Forecast: 02/12/25 to 08/12/25. Timezone: UTC+0.00