Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

First Quarter 53%

09:32

03:33

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 Bad
02 Bad
03 Bad

Sun - Rise: 07:11, Set: 17:48, Transit: 12:29. Moon - Rise: 09:32, Set: 03:33. Civil Dark: 18:22 - 06:37. Nautical Dark: 19:00 - 05:58. Astro Dark: 19:39 - 05:19

Total Clouds (% Sky Obscured)

86
92
82
59
94
94
100
84
55
32
33
25
51
63
57
44
56
44
56
76
78
75
61
62

Low Clouds (% Sky Obscured)

70
83
78
59
75
77
75
65
40
32
33
24
45
59
57
44
56
44
56
76
78
75
61
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

High Clouds (% Sky Obscured)

65
12
6
9
87
89
100
64
55
8
5
19
51
63
4
4
4
3
4
6
7
4
19
11

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 (%)

1
1
6
2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
2
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
6
6
6
7
7
8
10
10
8
7
7
7
7
7
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
91
90
91
90
88
81
77
75
76
79
83
87
87
87
88
88
90
91
91
91
91

Pressure (mb)

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

Ozone (du)

356
355
357
358
356
354
353
353
352
351
351
351
352
352
355
356
359
360
360
359
362
361
365
365

Wednesday 25

Waxing Gibbous 65%

10:16

No Set

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
03 Bad

Sun - Rise: 07:08, Set: 17:50, Transit: 12:29. Moon - Rise: 10:16, Set: No Set. Civil Dark: 18:23 - 06:35. Nautical Dark: 19:02 - 05:56. Astro Dark: 19:41 - 05:17

Total Clouds (% Sky Obscured)

78
75
76
91
94
100
97
95
100
100
99
99
96
98
89
95
92
79
81
81
99
86
77
96

Low Clouds (% Sky Obscured)

71
73
75
84
69
100
95
87
100
98
90
82
88
78
74
87
84
79
80
76
97
86
77
59

Medium Clouds (% Sky Obscured)

5
33
22
16
59
86
88
94
93
100
95
78
80
60
46
28
56
24
23
2
15
40
22
47

High Clouds (% Sky Obscured)

8
6
28
5
23
99
62
51
37
30
40
40
35
23
11
30
3
0
0
0
0
0
0
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
0
0
10
21
12
9
7
10
22
21
53
34
8
9
9
18
20
1
13
14
26
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
88
87
86
86
86
87
88
90
95
95
95
93
96
96
96
96
96
98
98

Pressure (mb)

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

Ozone (du)

366
365
363
364
364
363
361
357
355
356
359
366
370
373
372
378
384
402
400
395
390
379
371
364

Thursday 26

Waxing Gibbous 76%

11:18

04:41

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
03 Bad

Sun - Rise: 07:06, Set: 17:52, Transit: 12:29. Moon - Rise: 11:18, Set: 04:41. Civil Dark: 18:25 - 06:33. Nautical Dark: 19:04 - 05:54. Astro Dark: 19:43 - 05:15

Total Clouds (% Sky Obscured)

91
100
100
91
93
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

76
85
74
75
72
67
63
70
80
75
100
99
90
93
94
99
100
100
97
87
100
100
100
92

Medium Clouds (% Sky Obscured)

25
21
32
53
68
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93

High Clouds (% Sky Obscured)

45
100
100
33
34
28
34
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
19
10
21
23
12
3
15
37
50
68
95
95
95
95
95
95
83
62
28
21
28
44
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.5
1.1
1.2
1.1
1.1
0.9
0.3
0
0
0
0
0
0.6

Wind Speed/Direction (mph)

11
12
12
14
15
16
17
17
17
17
17
16
16
16
14
14
16
17
17
18
19
20
20
21

Chance of Frost

Temperature (°C)

10
9
9
9
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
95
95
93
93
91
93
93
93
95
98
98
98
98
96
98
96
95
91
90
87
87

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1010
1009
1008
1007
1006
1005
1004

Ozone (du)

362
357
354
352
351
347
346
344
343
342
341
338
335
331
329
327
327
327
327
327
327
327
328
327

Friday 27

Waxing Gibbous 85%

12:37

05:31

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 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:04, Set: 17:53, Transit: 12:29. Moon - Rise: 12:37, Set: 05:31. Civil Dark: 18:27 - 06:31. Nautical Dark: 19:06 - 05:52. Astro Dark: 19:44 - 05:13

Total Clouds (% Sky Obscured)

94
92
92
93
94
90
86
82
86
68
87
77
79
60
39
77
75
76
68
24
61
86
73
73

Low Clouds (% Sky Obscured)

84
77
77
77
56
62
66
34
32
30
33
34
36
36
39
52
52
50
46
24
41
49
38
44

Medium Clouds (% Sky Obscured)

85
80
83
87
91
85
82
74
71
27
71
40
10
0
0
0
3
1
7
3
15
24
40
40

High Clouds (% Sky Obscured)

47
20
15
20
30
34
35
2
14
9
30
30
35
24
6
3
2
0
0
0
27
43
60
70

ISS Passover

Visibility (miles)

4
8
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

Light Rain
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 (%)

95
55
34
21
20
26
54
51
31
43
42
25
43
40
24
35
31
19
12
6
7
11
2
13

Precipitation Amount (mm)

0.7
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
20
21
20
20
18
18
19
19
19
19
18
15
13
11
9
7
5
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
90
87
90
87
87
87
87
87
87
88
87
88
88
87
90
91
93
93
91
91

Pressure (mb)

1005
1005
1006
1007
1008
1009
1010
1011
1011
1011
1012
1012
1013
1013
1014
1015
1016
1016
1017
1018
1018
1018
1018
1019

Ozone (du)

327
328
329
331
336
339
341
342
342
340
342
345
347
348
350
355
364
379
389
393
394
397
398
402

Saturday 28

Waxing Gibbous 92%

14:04

06:04

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
03 Bad

Sun - Rise: 07:02, Set: 17:55, Transit: 12:29. Moon - Rise: 14:04, Set: 06:04. Civil Dark: 18:29 - 06:29. Nautical Dark: 19:07 - 05:50. Astro Dark: 19:46 - 05:11

Total Clouds (% Sky Obscured)

73
68
58
93
58
86
100
100
100
100
78
84
78
70
93
84
76
78
82
85
91
97
100
100

Low Clouds (% Sky Obscured)

48
53
49
48
45
61
74
81
65
53
39
47
28
23
46
51
58
63
69
77
73
70
64
62

Medium Clouds (% Sky Obscured)

50
50
50
92
57
55
60
57
99
87
61
50
34
19
21
32
40
54
57
70
70
67
79
66

High Clouds (% Sky Obscured)

73
68
58
91
58
86
79
70
51
33
5
4
21
50
65
55
38
28
22
22
46
69
89
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
12
16
19
30
52
82
95
95
95
79
48
22
5
49
41
39
30
27
23
16
14
15
14

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
1.1
1.2
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
7
10
12
15
18
17
16
17
17
17
16
11
11
14
13
14
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
86
84
82
82
82
81
80
82
82
84
85
87
88
91
90
90
90
91
90
90

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

401
407
406
405
410
405
402
400
402
399
397
393
392
389
386
385
384
383
382
381
380
380
380
379

Sunday 1

Waxing Gibbous 97%

15:32

06:27

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 OK
03 OK

Sun - Rise: 07:00, Set: 17:57, Transit: 12:28. Moon - Rise: 15:32, Set: 06:27. Civil Dark: 18:30 - 06:26. Nautical Dark: 19:09 - 05:48. Astro Dark: 19:48 - 05:09

Total Clouds (% Sky Obscured)

100
100
99
99
98
99
99
99
92
84
75
73
66
66
71
71
78
72
64
57
46
35
24
23

Low Clouds (% Sky Obscured)

61
59
63
68
72
72
71
75
77
76
70
62
64
65
53
46
48
42
41
33
32
30
24
23

Medium Clouds (% Sky Obscured)

48
35
39
48
60
77
86
95
85
72
57
44
35
30
30
30
34
24
13
2
8
15
20
21

High Clouds (% Sky Obscured)

96
100
99
99
98
83
67
50
67
83
75
73
66
66
62
39
13
12
12
12
6
5
1
1

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

Precipitation Probability (%)

18
14
8
14
12
7
13
25
45
53
50
51
60
82
95
95
88
82
71
55
23
9
10
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0.2
0.5
0.7
0.7
0.5
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
8
8
8
8
8
8
8
7
7
7
6
6
6
6
6
6
6
7
6

Relative Humidity (%)

90
90
90
91
91
90
90
88
87
85
83
83
83
84
85
85
84
82
84
85
88
88
91
91

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007

Ozone (du)

378
378
377
378
378
379
379
379
378
377
376
375
376
378
380
382
384
385
387
389
391
393
394
395

Monday 2

Waxing Gibbous 100%

16:56

06:44

Sun - Rise: 06:58, Set: 17:59, Transit: 12:28. Moon - Rise: 16:56, Set: 06:44. Civil Dark: 18:32 - 06:24. Nautical Dark: 19:11 - 05:46. Astro Dark: 19:50 - 05:07

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 Llanrhidian, City and County of Swansea, United Kingdom (51.61,-4.17)

Generated: 24/02/26 04:07:14. Forecast: 24/02/26 to 02/03/26. Timezone: UTC+0.00