Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Full Moon 100%

18:17

06:57

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: 06:56, Set: 18:00, Transit: 12:28. Moon - Rise: 18:17, Set: 06:57. Civil Dark: 18:34 - 06:22. Nautical Dark: 19:12 - 05:43. Astro Dark: 19:52 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
99
100
99
91
97
88
90
83
65
67
77
76
80
44
72
82
80
81

Low Clouds (% Sky Obscured)

96
97
85
83
85
90
94
82
77
69
65
49
34
10
11
25
30
25
25
14
21
26
26
36

Medium Clouds (% Sky Obscured)

100
96
95
98
98
56
51
49
54
25
54
47
49
47
38
40
42
53
33
26
32
47
55
49

High Clouds (% Sky Obscured)

100
100
100
100
97
35
4
12
55
82
65
65
67
75
65
62
77
34
16
2
14
28
46
3

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
0
5
1
2
3
9
9
10
3
3
0
0
1
0
0
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
84
84
84
81
81
81
78
73
75
79
83
88
88
88
90
90
90
88
90
90
90

Pressure (mb)

1022
1023
1024
1024
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

391
395
400
403
407
410
413
413
416
417
417
419
418
416
412
409
406
407
408
407
405
402
403
405

Wednesday 4

Waning Gibbous 97%

19:34

07:08

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: 06:53, Set: 18:02, Transit: 12:28. Moon - Rise: 19:34, Set: 07:08. Civil Dark: 18:36 - 06:20. Nautical Dark: 19:14 - 05:41. Astro Dark: 19:53 - 05:02

Total Clouds (% Sky Obscured)

91
91
93
96
100
89
100
62
77
97
70
86
75
67
64
58
49
52
53
70
59
79
73
80

Low Clouds (% Sky Obscured)

37
35
27
22
21
27
28
22
20
0
0
29
19
0
0
0
0
0
0
0
0
6
12
14

Medium Clouds (% Sky Obscured)

56
57
45
48
52
40
52
25
32
50
35
38
25
28
36
38
38
44
45
65
51
52
56
51

High Clouds (% Sky Obscured)

5
1
1
0
0
0
0
0
0
0
0
0
0
0
0
2
0
3
5
23
0
60
50
55

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

Precipitation Probability (%)

0
0
0
0
2
4
43
29
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
87
84
81
80
80
80
79
83
83
87
90
90
90
90
88
87
85
85
88

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015

Ozone (du)

401
402
402
402
399
399
399
400
401
399
397
395
393
392
392
390
389
390
391
392
393
395
397
400

Thursday 5

Waning Gibbous 93%

20:51

07:19

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: 06:51, Set: 18:04, Transit: 12:28. Moon - Rise: 20:51, Set: 07:19. Civil Dark: 18:37 - 06:18. Nautical Dark: 19:16 - 05:39. Astro Dark: 19:55 - 05:00

Total Clouds (% Sky Obscured)

80
80
85
85
95
100
65
65
60
65
65
68
68
67
71
75
100
100
94
96
100
100
100
100

Low Clouds (% Sky Obscured)

16
21
25
29
39
71
65
65
60
65
65
68
68
67
71
65
65
54
78
62
52
35
16
15

Medium Clouds (% Sky Obscured)

45
50
35
18
17
39
29
60
56
60
50
44
35
33
41
46
97
100
70
59
59
56
56
99

High Clouds (% Sky Obscured)

55
75
80
75
75
80
65
65
60
65
60
62
55
55
56
67
100
100
67
74
90
100
100
100

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
1
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
4
12
29
37
69
59
50
38
35
34
26
19
13
11
11
16
14
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
9
10
11
12
13
11
10
15
14
13
12
12
10
10
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
8
8
7
9
10
11
11
10
11
10
9
9
8
8
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
88
84
83
80
79
77
77
79
81
84
88
88
90
91
91
91
91
91
93
95

Pressure (mb)

1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

399
398
397
395
394
392
390
392
394
394
391
390
386
387
385
385
384
385
387
387
387
386
384
380

Friday 6

Waning Gibbous 87%

22:06

07:30

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 OK
02 Bad
03 OK

Sun - Rise: 06:49, Set: 18:06, Transit: 12:27. Moon - Rise: 22:06, Set: 07:30. Civil Dark: 18:39 - 06:16. Nautical Dark: 19:18 - 05:37. Astro Dark: 19:57 - 04:58

Total Clouds (% Sky Obscured)

100
100
98
96
94
96
98
100
88
79
69
68
62
60
60
60
55
60
54
47
44
34
41
29

Low Clouds (% Sky Obscured)

14
18
17
16
25
31
37
47
44
41
34
26
18
15
15
15
15
11
13
11
11
1
1
1

Medium Clouds (% Sky Obscured)

99
100
98
96
94
96
98
100
83
67
50
15
15
18
2
3
3
3
3
3
2
0
0
0

High Clouds (% Sky Obscured)

100
100
72
47
30
35
35
15
15
15
30
35
25
34
22
3
45
40
38
12
26
32
41
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
2
2
2
3
8
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
6
18
18
33
54
79
95
91
74
47
29
24
21
16
5
3
0
2
1
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.8
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
94
94
93
91
90
91
95
96
95
95
93
94
93
93
91
91
90
90
88
88
88
86

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1022
1023
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1026
1025
1025
1025

Ozone (du)

378
377
378
377
377
376
375
378
380
382
386
390
389
387
388
389
389
385
379
377
373
370
368
367

Saturday 7

Waning Gibbous 79%

23:22

07:43

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

Sun - Rise: 06:47, Set: 18:07, Transit: 12:27. Moon - Rise: 23:22, Set: 07:43. Civil Dark: 18:41 - 06:13. Nautical Dark: 19:19 - 05:35. Astro Dark: 19:59 - 04:55

Total Clouds (% Sky Obscured)

27
7
6
6
7
36
32
35
25
26
19
21
29
36
55
63
74
51
29
7
8
10
11
32

Low Clouds (% Sky Obscured)

1
0
1
1
1
2
1
2
1
0
1
1
8
17
29
55
74
51
26
2
2
3
3
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
3
2
3
22

High Clouds (% Sky Obscured)

20
2
1
1
1
4
4
10
8
8
5
6
15
29
23
12
3
2
1
1
1
2
2
9

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

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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
5
6
8
9
10
11
11
11
10
9
8
7
7
7
7
7
7
7
7
7

Feels Like (°C)

3
2
2
2
3
5
8
8
9
9
10
10
9
9
7
6
7
7
7
7
7
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
86
86
87
87
87
87
84
81
83
85
88
91
90
91
91
90
91
91
93
93
94

Pressure (mb)

1025
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

366
367
369
371
372
372
371
372
374
375
377
377
376
375
375
375
375
375
374
373
372
372
372
372

Sunday 8

Waning Gibbous 76%

00:37

07:58

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: 06:44, Set: 18:09, Transit: 12:27. Moon - Rise: 00:37, Set: 07:58. Civil Dark: 18:42 - 06:11. Nautical Dark: 19:21 - 05:32. Astro Dark: 20:01 - 04:53

Total Clouds (% Sky Obscured)

51
71
77
83
89
74
67
66
66
70
71
77
80
88
75
54
43
46
41
40
39
39
38
42

Low Clouds (% Sky Obscured)

48
71
63
55
47
45
42
45
59
67
71
75
80
88
75
54
43
46
41
40
39
39
38
42

Medium Clouds (% Sky Obscured)

41
60
65
71
77
71
65
59
57
51
45
37
33
34
32
31
35
35
35
40
39
39
38
42

High Clouds (% Sky Obscured)

12
12
7
4
0
0
0
0
0
0
0
33
63
81
75
54
43
46
41
40
39
39
38
42

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
1
1
2
7
10
18
43
63
83
85
90
95
95
95
95
95
92
73
63
50
45
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.6
0.9
1
1.1
1.5
0.9
0.6
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
6
7
8
10
11
11
11
11
10
9
8
6
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
95
93
91
90
87
83
80
81
80
80
86
90
93
95
95
95
96
96
96
96
96
96

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

371
370
368
366
365
363
363
362
362
363
363
363
364
365
366
367
368
369
370
371
372
373
374
375

Monday 9

Waning Gibbous 71%

01:49

08:19

Sun - Rise: 06:42, Set: 18:11, Transit: 12:27. Moon - Rise: 01:49, Set: 08:19. Civil Dark: 18:44 - 06:09. Nautical Dark: 19:23 - 05:30. Astro Dark: 20:03 - 04:51

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: 03/03/26 03:50:30. Forecast: 03/03/26 to 09/03/26. Timezone: UTC+0.00