Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 32%

04:44

11:11

00 Bad
01 Bad
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

Sun - Rise: 06:34, Set: 18:17, Transit: 12:25. Moon - Rise: 04:44, Set: 11:11. Civil Dark: 18:52 - 05:59. Nautical Dark: 19:32 - 05:19. Astro Dark: 20:14 - 04:37

Total Clouds (% Sky Obscured)

93
93
86
86
93
86
74
93
100
100
93
100
93
93
93
94
95
96
83
92
100
83
70
46

Low Clouds (% Sky Obscured)

65
51
40
46
56
70
84
84
82
85
82
81
85
84
79
51
79
50
70
60
67
42
64
46

Medium Clouds (% Sky Obscured)

91
73
36
3
7
11
32
37
42
78
73
71
75
48
87
94
95
96
64
84
100
68
14
10

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
24
8
62
52
57
70
33
2
25
15

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
8
9
9
9
6
8
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0

Precipitation Type

Sleet
None
None
Sleet
None
None
Snow
Snow
None
Snow
Snow
Sleet
Sleet
Sleet
Sleet
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

100
0
0
100
0
0
100
100
0
100
100
100
100
100
100
95
71
47
57
66
63
51
23
16

Precipitation Amount (mm)

0.6
0
0
0.2
0
0
0.1
0.1
0
0.5
0.8
0.6
0.4
0.4
0.5
1.2
0.3
0
0
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

24
25
26
27
28
28
30
30
28
27
24
25
24
23
21
20
17
14
9
6
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
78
71
71
72
72
74
79
78
81
79
81
81
76
79
79
82
86
91
93
91
89
88

Pressure (mb)

993
994
995
995
995
995
996
996
996
996
997
997
997
996
996
995
995
996
996
997
998
999
999
1000

Ozone (du)

432
447
463
471
471
474
472
476
475
471
468
481
505
522
523
516
506
500
499
498
489
483
483
483

Saturday 14

Waning Crescent 23%

05:12

12:28

00 Bad
01 Bad
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

Sun - Rise: 06:31, Set: 18:19, Transit: 12:25. Moon - Rise: 05:12, Set: 12:28. Civil Dark: 18:53 - 05:57. Nautical Dark: 19:34 - 05:16. Astro Dark: 20:16 - 04:34

Total Clouds (% Sky Obscured)

88
71
89
78
80
77
81
44
45
66
49
47
63
70
58
64
60
86
87
94
96
94
98
95

Low Clouds (% Sky Obscured)

48
40
59
58
60
53
62
44
45
63
49
47
62
53
46
54
34
18
29
46
44
33
28
29

Medium Clouds (% Sky Obscured)

75
52
79
59
55
55
55
11
14
38
3
3
23
23
19
1
60
86
87
92
88
92
96
90

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
0
0
2
0
2
11
7
48
25
1
1
1
62
7
30
2

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
9
7
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 (%)

10
6
5
8
20
28
33
33
27
13
11
5
15
19
23
17
21
31
18
24
12
9
7
4

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
4
3
4
4
4
4
4
5
8
9
10
10
11
11
11
11
11
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
1
1
1
1
0
0
0
3
3
3
4
5
5
5
4
3
3
2
1
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

86
86
83
82
85
86
88
89
89
82
78
75
70
66
64
65
71
79
85
86
88
88
88
90

Pressure (mb)

1000
1001
1001
1002
1002
1003
1003
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

488
483
478
475
474
472
474
475
478
481
464
454
445
438
430
422
413
404
395
387
382
381
381
382

Sunday 15

Waning Crescent 15%

05:32

13:49

00 Bad
01 Bad
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

Sun - Rise: 06:29, Set: 18:21, Transit: 12:25. Moon - Rise: 05:32, Set: 13:49. Civil Dark: 18:55 - 05:54. Nautical Dark: 19:36 - 05:14. Astro Dark: 20:18 - 04:32

Total Clouds (% Sky Obscured)

99
100
100
98
95
98
100
100
100
99
100
97
100
100
100
89
46
59
67
67
95
100
93
74

Low Clouds (% Sky Obscured)

31
48
78
72
90
97
100
100
100
89
55
80
44
54
71
34
42
42
41
41
30
27
26
0

Medium Clouds (% Sky Obscured)

99
100
100
96
89
56
55
50
32
43
86
90
100
82
66
74
7
25
25
61
90
100
42
47

High Clouds (% Sky Obscured)

70
100
100
38
6
2
0
3
52
94
97
55
45
36
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
1
6
9
9
7
9
9
8
9
6
6
2
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

1
15
32
42
70
70
63
56
51
48
45
44
27
24
59
53
47
44
49
54
64
48
40
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
12
15
18
20
21
22
21
18
19
18
18
20
21
18
18
17
17
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
1
1
2
1
1
2
4
5
4
4
2
2
2
2
1
-0
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

90
90
86
84
85
91
93
91
93
95
96
90
87
87
80
78
78
78
79
81
79
93
80
80

Pressure (mb)

1009
1009
1009
1008
1008
1008
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

377
369
363
356
352
346
340
338
339
339
340
341
344
348
363
381
387
387
394
405
415
422
426
425

Monday 16

Waning Crescent 8%

05:47

15:12

00 Bad
01 Bad
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

Sun - Rise: 06:26, Set: 18:23, Transit: 12:25. Moon - Rise: 05:47, Set: 15:12. Civil Dark: 18:57 - 05:52. Nautical Dark: 19:38 - 05:11. Astro Dark: 20:20 - 04:29

Total Clouds (% Sky Obscured)

53
52
50
100
100
100
97
95
100
100
100
100
100
100
100
100
100
100
98
96
94
95
96
98

Low Clouds (% Sky Obscured)

22
48
49
64
76
69
75
59
84
81
93
89
98
99
100
100
100
100
96
92
87
87
87
89

Medium Clouds (% Sky Obscured)

30
18
23
45
38
57
88
85
38
64
100
99
94
59
100
97
97
95
79
24
3
11
24
35

High Clouds (% Sky Obscured)

0
0
13
54
100
100
64
35
15
6
77
30
31
75
84
65
43
15
16
16
4
7
27
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
6
3
4
5
8
9
4
3
3
3
1

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
None
None
None
None
None
None
None

Precipitation Probability (%)

24
11
28
38
41
27
33
26
27
30
20
81
77
92
95
89
68
33
30
23
25
23
14
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
0.5
0.6
0.6
0.6
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
17
17
18
17
17
18
19
20
19
20
20
21
21
24
23
22
23
23
22
23
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-0
-0
0
-1
-1
-0
-1
0
1
1
2
2
2
3
2
3
3
2
3
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
83
86
93
86
90
82
84
82
81
82
90
95
95
95
93
95
95
95
93
95
96

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1008
1008
1008
1007
1008
1008
1008
1008
1007

Ozone (du)

421
420
422
421
418
416
415
413
408
405
404
402
397
394
391
385
383
382
381
377
371
366
366
365

Tuesday 17

Waning Crescent 3%

05:59

16:36

00 Bad
01 Bad
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

Sun - Rise: 06:24, Set: 18:24, Transit: 12:24. Moon - Rise: 05:59, Set: 16:36. Civil Dark: 18:59 - 05:50. Nautical Dark: 19:40 - 05:09. Astro Dark: 20:22 - 04:26

Total Clouds (% Sky Obscured)

98
97
97
96
95
94
95
94
94
94
92
93
95
96
97
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
94
94
90
84
80
81
82
84
84
84
84
86
87
90
88
88
86
91
96
100
100
100
100

Medium Clouds (% Sky Obscured)

24
14
2
14
25
40
34
35
28
27
32
34
31
24
19
24
31
34
38
37
34
33
44
45

High Clouds (% Sky Obscured)

27
24
5
36
55
60
55
46
3
3
2
0
0
0
0
0
0
0
4
4
37
21
5
3

ISS Passover

Visibility (miles)

3
3
3
3
3
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 (%)

17
14
14
11
8
12
12
10
18
17
12
15
11
15
6
18
25
35
35
34
40
37
28
21

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)

22
23
24
25
27
27
27
27
26
27
27
26
26
26
26
26
25
24
21
18
17
16
15
14

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
93
95
93
90
88
88
88
86
84
86
84
87
86
87
88
95
93
88
87
90
88

Pressure (mb)

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

Ozone (du)

359
356
357
355
352
351
349
346
347
348
346
343
340
336
333
332
333
332
332
334
337
341
342
343

Wednesday 18

Waning Crescent 0%

06:09

18:01

00 Bad
01 Bad
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

Sun - Rise: 06:22, Set: 18:26, Transit: 12:24. Moon - Rise: 06:09, Set: 18:01. Civil Dark: 19:01 - 05:47. Nautical Dark: 19:42 - 05:06. Astro Dark: 20:24 - 04:24

Total Clouds (% Sky Obscured)

100
93
94
100
100
94
79
81
81
89
93
97
92
89
86
86
83
82
80
79
80
83
87
83

Low Clouds (% Sky Obscured)

100
93
94
98
91
76
63
57
53
51
52
55
50
44
33
29
24
20
28
36
49
47
45
36

Medium Clouds (% Sky Obscured)

61
68
70
74
73
67
2
2
2
12
22
32
27
24
20
15
10
4
3
3
2
1
1
0

High Clouds (% Sky Obscured)

2
2
5
19
15
8
40
38
25
22
11
11
12
8
4
4
4
4
4
4
12
22
23
30

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 (%)

21
21
23
22
18
12
1
1
0
1
1
0
0
0
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)

12
10
8
7
6
5
4
3
3
4
5
7
9
9
9
10
9
9
8
8
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
90
91
91
93
90
85
84
81
78
77
76
76
77
78
81
82
84
87
88
87
88

Pressure (mb)

1012
1012
1013
1013
1014
1015
1015
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024

Ozone (du)

342
342
342
343
343
344
347
346
346
346
346
347
347
347
347
347
347
347
347
347
346
346
347
347

Thursday 19

New Moon 0%

06:19

19:27

00 Bad
01 Bad
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 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 06:19, Set: 18:28, Transit: 12:24. Moon - Rise: 06:19, Set: 19:27. Civil Dark: 19:03 - 05:45. Nautical Dark: 19:44 - 05:04. Astro Dark: 20:27 - 04:21

Total Clouds (% Sky Obscured)

82
90
96
96
95
95
98
99
99
85
72
58
45
32
16
24
35
38
29
24
23
22
21
26

Low Clouds (% Sky Obscured)

36
35
42
44
42
44
38
34
25
23
22
21
14
7
0
22
35
38
29
24
23
22
21
26

Medium Clouds (% Sky Obscured)

13
25
33
25
22
18
21
25
24
13
8
0
0
0
0
0
0
0
0
0
0
1
3
5

High Clouds (% Sky Obscured)

40
40
30
31
28
20
14
12
10
9
13
16
22
16
13
9
7
3
3
4
4
5
5
5

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
4
4
4
4
5
5
6
7
7
13
12
11
11
12
12
8
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
94
94
96
90
85
81
73
68
62
62
64
65
70
76
80
81
84
85
85
84

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

348
348
349
349
351
352
354
360
367
373
377
382
387
388
390
392
393
393
394
396
398
400
399
397

Forecast for Llandegfan, Anglesey, United Kingdom (53.25,-4.15)

Generated: 13/03/26 15:14:49. Forecast: 13/03/26 to 19/03/26. Timezone: UTC+0.00