Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:55

No Set

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:23, Set: 21:01, Transit: 13:13. Moon - Rise: 03:55, Set: No Set. Civil Dark: 21:43 - 04:41. Nautical Dark: 22:40 - 03:43. Astro Dark: 00:07 - 02:12

Total Clouds (% Sky Obscured)

91
92
87
64
68
65
77
92
96
87
80
81
64
74
82
95
98
96
97
97
90
72
64
68

Low Clouds (% Sky Obscured)

71
66
65
64
68
62
77
81
91
70
70
74
57
71
71
88
94
83
83
83
81
72
64
68

Medium Clouds (% Sky Obscured)

51
50
36
34
0
24
25
13
15
23
4
4
0
0
21
27
72
88
79
78
47
13
3
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

54
49
42
36
43
39
37
37
28
32
29
38
38
41
44
63
70
65
62
58
54
51
36
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
18
17
15
15
16
17
18
18
18
19
19
18
18
18
17
18
18
19
20
19
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
4
3
4
3
2
2
1
0
1
-1
-0
0
1
2
1
2
2
3
2
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
88
88
87
87
88
87
85
87
85
84
84
84
81
78
78
79
75
81
74
70
69

Pressure (mb)

1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004

Ozone (du)

422
426
428
426
423
420
420
422
425
425
424
421
419
418
419
419
419
424
427
429
431
431
431
434

Thursday 14

Waning Crescent 3%

04:10

18:19

18 Bad
19 OK
20 OK
21 OK
22 OK
23 Bad
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 OK
15 Good
16 Good
17 OK

Sun - Rise: 05:21, Set: 21:03, Transit: 13:13. Moon - Rise: 04:10, Set: 18:19. Civil Dark: 21:45 - 04:39. Nautical Dark: 22:43 - 03:41. Astro Dark: 00:13 - 02:06

Total Clouds (% Sky Obscured)

48
34
13
31
40
48
59
73
61
74
82
71
69
68
63
56
53
72
71
45
14
6
4
41

Low Clouds (% Sky Obscured)

48
34
13
31
40
48
59
73
61
73
81
66
64
63
63
56
53
67
57
45
14
5
0
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
14
2
0
0
0
0
0
0
0
0
0
0
0
0
9

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
0
2
2
1
2
1
0
0
0
0
28
38
0
1
3
4
2

ISS Passover

Visibility (miles)

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

23
5
5
4
4
6
9
13
24
16
5
3
9
10
17
12
15
9
15
3
2
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)

18
16
14
12
9
9
8
8
9
10
13
13
14
14
14
16
17
17
16
17
17
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
78
79
79
82
84
87
90
94
90
85
78
75
75
69
64
61
60
59
58
58
57
57

Pressure (mb)

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

Ozone (du)

435
434
429
425
422
419
415
413
412
413
414
416
416
416
416
415
416
419
423
426
426
419
413
409

Friday 15

Waning Crescent 0%

04:31

19:51

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:20, Set: 21:04, Transit: 13:13. Moon - Rise: 04:31, Set: 19:51. Civil Dark: 21:47 - 04:37. Nautical Dark: 22:45 - 03:38. Astro Dark: 00:19 - 01:59

Total Clouds (% Sky Obscured)

59
83
90
86
82
78
70
67
74
98
93
89
96
99
97
99
99
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

32
35
60
34
52
59
54
38
8
56
75
66
60
78
69
79
82
92
83
88
93
98
92
85

Medium Clouds (% Sky Obscured)

27
51
49
59
53
61
55
51
51
64
43
34
43
97
96
98
98
84
80
73
97
100
96
84

High Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
0
0
0
0
2
1
0
0
38
72
59
52
37
18
10

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
1
1
1
3
4
6
9
18
15
16
24
26
34
34
33
41
39
42
43
37
47

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)

13
11
9
6
4
3
2
2
2
1
1
2
2
3
4
6
8
8
8
9
10
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
68
73
81
88
88
88
88
90
90
90
86
85
81
77
74
72
68
68
73
74
69
69
77

Pressure (mb)

1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

405
401
400
399
399
399
398
398
398
397
397
397
396
394
393
393
394
395
396
397
396
395
395
395

Saturday 16

New Moon 1%

05:01

21:27

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:18, Set: 21:06, Transit: 13:13. Moon - Rise: 05:01, Set: 21:27. Civil Dark: 21:48 - 04:36. Nautical Dark: 22:47 - 03:36. Astro Dark: 00:26 - 01:52

Total Clouds (% Sky Obscured)

97
95
94
93
96
97
99
99
99
100
100
99
100
100
100
100
100
100
100
100
100
100
86
97

Low Clouds (% Sky Obscured)

80
75
71
67
64
62
62
65
69
72
66
63
58
57
57
59
62
73
73
68
59
65
68
81

Medium Clouds (% Sky Obscured)

89
81
77
75
71
80
85
89
89
63
100
98
96
100
100
100
100
100
100
100
98
89
45
75

High Clouds (% Sky Obscured)

0
0
0
1
34
56
74
80
85
100
96
63
100
100
100
100
100
100
100
99
84
61
41
20

ISS Passover

Visibility (miles)

9
9
9
8
6
1
0
5
9
9
9
9
9
9
9
8
9
7
9
6
9
6
6
4

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

Precipitation Probability (%)

56
56
62
58
54
54
29
31
31
20
20
24
11
21
23
23
30
26
27
34
32
40
45
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
6
5
4
5
5
6
7
4
4
4
3
2
5
7
8
9
10
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
7
5
5
6
5
5
5
5
6
6
7
7
7
7
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

85
90
93
96
98
98
100
95
95
94
96
94
94
93
88
84
80
74
69
71
71
67
78
81

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

397
400
408
406
402
403
404
404
407
411
418
420
421
421
422
424
426
430
434
438
440
441
440
438

Sunday 17

Waxing Crescent 5%

05:46

22:58

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:17, Set: 21:07, Transit: 13:13. Moon - Rise: 05:46, Set: 22:58. Civil Dark: 21:50 - 04:34. Nautical Dark: 22:50 - 03:34. Astro Dark: 00:34 - 01:42

Total Clouds (% Sky Obscured)

95
94
97
100
100
100
100
92
87
90
80
68
56
95
94
93
91
92
93
95
97
100
100
100

Low Clouds (% Sky Obscured)

78
75
70
74
80
79
78
71
73
82
73
63
53
66
71
76
76
76
75
73
70
66
60
64

Medium Clouds (% Sky Obscured)

89
90
92
100
100
100
100
71
57
42
54
27
25
48
42
37
32
29
26
41
46
56
68
83

High Clouds (% Sky Obscured)

2
3
4
1
0
3
3
2
1
0
0
0
0
35
61
75
78
71
63
71
79
87
79
70

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

55
47
49
57
64
78
85
83
81
74
66
61
52
28
33
36
37
35
34
29
27
27
31
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
10
9
9
8
8
7
6
6
6
6
5
4
7
10
11
12
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
6
6
7
7
6
5
5
5
5
5
6
7
7
7
7
6
6
6
7
7

Relative Humidity (%)

88
90
93
96
96
96
98
98
96
96
96
94
94
91
85
81
77
75
71
67
67
68
71
76

Pressure (mb)

1008
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1006
1006
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

435
435
437
439
440
441
441
441
440
441
442
434
426
419
416
413
410
407
403
400
398
396
394
396

Monday 18

Waxing Crescent 12%

06:52

00:13

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:16, Set: 21:09, Transit: 13:13. Moon - Rise: 06:52, Set: 00:13. Civil Dark: 21:52 - 04:32. Nautical Dark: 22:52 - 03:31. Astro Dark: 00:44 - 01:27

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
91
90
89
88
87
84

Low Clouds (% Sky Obscured)

71
74
79
84
85
87
86
84
83
80
84
88
92
95
98
100
91
85
80
81
80
78
80
83

Medium Clouds (% Sky Obscured)

94
88
82
66
77
89
100
90
78
61
50
41
28
43
59
76
67
59
54
49
44
38
26
14

High Clouds (% Sky Obscured)

63
62
67
76
82
88
95
95
95
85
90
92
100
73
48
27
22
17
12
12
15
13
22
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
6
3
0
0
0
0
3
6
9
8
7
5
6
7
8
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

39
35
31
27
31
35
36
53
59
60
61
55
46
50
51
44
51
54
68
72
74
70
58
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0.2
0
0
0
0
0
0.2
0.2
0.4
0.4
0.5
0.4
0.3
0

Wind Speed/Direction (mph)

12
12
11
10
10
11
12
13
14
14
15
14
15
16
15
16
17
17
17
18
17
17
16
15

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
9
9
9
10
10
10
10
11
11
11
12
12
13
14
14
13
13
13

Feels Like (°C)

8
8
6
6
6
6
6
6
6
5
5
6
5
5
7
8
8
8
8
8
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

81
90
91
95
98
96
98
96
98
98
98
98
96
96
95
95
92
89
84
82
84
90
95
93

Pressure (mb)

1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012

Ozone (du)

398
400
399
399
398
398
397
397
398
398
399
400
400
401
398
396
394
394
395
395
391
388
385
383

Tuesday 19

Waxing Crescent 21%

08:14

01:06

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:14, Set: 21:10, Transit: 13:13. Moon - Rise: 08:14, Set: 01:06. Civil Dark: 21:54 - 04:31. Nautical Dark: 22:55 - 03:29. Astro Dark: 00:59 - N/A

Total Clouds (% Sky Obscured)

84
87
91
95
97
98
99
99
99
99
99
99
99
97
92
88
92
96
100

Low Clouds (% Sky Obscured)

84
83
81
78
85
91
98
96
96
95
92
89
84
83
85
88
90
91
93

Medium Clouds (% Sky Obscured)

3
11
19
26
33
35
32
25
18
11
21
31
41
29
15
2
8
14
17

High Clouds (% Sky Obscured)

30
31
26
13
9
9
5
6
7
13
35
57
77
60
45
31
19
17
15

ISS Passover

Visibility (miles)

9
9
8
6
5
5
6
6
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
28
20
13
17
17
15
20
20
15
18
17
13
14
11
9
11
12
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
11
11
11
11
11
11
11
11
12
13
13
14
15

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
10
10
10
10
10
10
11
10
10
10
11
11
11
11
11

Relative Humidity (%)

92
90
92
92
93
95
96
96
96
95
96
95
93
93
92
89
87
83
80

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

380
378
377
375
374
372
369
366
364
361
359
355
352
349
347
346
344
344
343

Forecast for Gwyddgrug, Carmarthenshire, United Kingdom (52.00,-4.23)

Generated: 13/05/26 18:04:29. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00