Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 74%

02:22

08:43

20 OK
21 OK
22 Good
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
18 Bad
19 Bad

Sun - Rise: 05:45, Set: 20:36, Transit: 13:11. Moon - Rise: 02:22, Set: 08:43. Civil Dark: 21:15 - 05:06. Nautical Dark: 22:05 - 04:16. Astro Dark: 23:08 - 03:12

Total Clouds (% Sky Obscured)

17
27
13
48
100
99
99
99
98
98
100
98
100
100
100
100
98
100
98
99
100
100
98
96

Low Clouds (% Sky Obscured)

27
10
48
69
83
97
97
99
94
96
100
97
100
97
95
92
98
100
98
98
100
100
97
93

Medium Clouds (% Sky Obscured)

15
12
52
95
100
98
96
69
29
45
50
47
96
100
100
99
98
98
95
89
100
95
76
84

High Clouds (% Sky Obscured)

26
1
100
100
62
62
5
69
16
83
83
75
98
100
100
100
65
41
1
0
34
35
40
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
1
1
9
9
9
9
9
7
5
3
3
3
2
1
0
5
9

Fog (%)

0
0
0
0
0
0
0
0
27
48
29
38
2
0
0
0
0
0
0
0
0
0
2
25

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
7
13
32
51
49
41
44
31
28
39
51
77
95
95
95
95
95
95
95
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.2
1.2
1.4
1.7
2.1
1.2
0.5
0.7

Wind Speed/Direction (mph)

10
10
6
6
9
11
14
14
14
13
13
13
14
17
18
21
21
22
20
20
19
18
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
94
94
94
96
94
96
96
96
94
96
93
93
93
93
91
93
95
95
95
96
96
96
93

Pressure (mb)

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

Ozone (du)

453
455
453
451
450
449
450
450
452
453
451
450
448
448
444
441
440
436
436
437
438
438
438
438

Monday 29

Waning Gibbous 64%

03:05

10:00

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
18 Bad
19 Bad

Sun - Rise: 05:43, Set: 20:38, Transit: 13:11. Moon - Rise: 03:05, Set: 10:00. Civil Dark: 21:17 - 05:04. Nautical Dark: 22:07 - 04:13. Astro Dark: 23:11 - 03:08

Total Clouds (% Sky Obscured)

98
99
99
97
99
100
100
100
100
100
100
100
91
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
99
95
96
89
100
96
100
99
100
100
100
80
85
100
79
99
96
93
100
83
79
64
57

Medium Clouds (% Sky Obscured)

84
96
96
84
95
100
100
100
91
70
100
89
71
73
99
94
100
100
97
100
100
100
100
100

High Clouds (% Sky Obscured)

63
79
71
60
20
33
19
25
50
51
46
55
54
59
65
60
60
60
55
44
36
55
33
3

ISS Passover

Visibility (miles)

7
3
6
9
5
4
1
3
3
9
3
1
1
0
3
9
8
3
4
5
4
6
8
9

Fog (%)

2
2
36
30
90
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

78
81
67
44
73
95
95
95
95
95
95
95
69
88
95
95
95
95
95
80
62
49
37
31

Precipitation Amount (mm)

0.4
0.4
0.3
0
0.4
1.5
1.7
1.2
1.2
1.3
1.8
1.1
0.4
0.4
1
0.7
0.9
1.3
0.9
0.5
0.3
0.2
0
0

Wind Speed/Direction (mph)

13
12
12
12
11
10
12
15
16
17
17
17
17
16
16
15
14
16
15
13
11
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
98
93
93
96
96
96
96
96
96
96
96
96
98
96
95
93
93
94
94
98
94
93
88

Pressure (mb)

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

Ozone (du)

436
428
424
424
423
424
426
422
421
425
423
424
423
424
426
429
430
428
428
431
435
437
436
434

Tuesday 30

Waning Gibbous 53%

03:34

11:27

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
18 Bad
19 Bad

Sun - Rise: 05:41, Set: 20:39, Transit: 13:11. Moon - Rise: 03:34, Set: 11:27. Civil Dark: 21:19 - 05:02. Nautical Dark: 22:10 - 04:10. Astro Dark: 23:15 - 03:04

Total Clouds (% Sky Obscured)

76
81
86
92
87
96
98
96
90
93
97
99
99
98
98
96
100
98
96
93
92
91
92
94

Low Clouds (% Sky Obscured)

56
63
70
57
55
54
48
36
29
36
64
65
84
79
87
81
58
59
65
71
67
66
62
48

Medium Clouds (% Sky Obscured)

40
40
35
60
26
14
29
46
66
75
89
94
91
82
85
86
100
91
82
73
79
84
91
79

High Clouds (% Sky Obscured)

62
34
60
60
60
91
95
91
70
80
60
95
60
28
3
3
71
63
55
58
62
60
60
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
0
4
9
9
9
9
9
9
7
4
3
3
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
2
7
0
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

21
9
3
1
0
0
0
0
0
0
0
0
0
1
1
8
21
33
61
90
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.1
1.3
1.3
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
3
3
3
3
2
2
1
1
0
2
3
4
5
6
6
7
7
8
9
8
8
7

Dew Point (°C)

5
5
5
4
4
4
4
4
4
3
3
4
5
5
5
4
4
5
7
9
9
10
9
9

Relative Humidity (%)

91
91
93
91
94
94
94
96
98
98
98
96
93
88
79
70
66
68
82
93
93
96
98
98

Pressure (mb)

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

Ozone (du)

432
432
433
435
436
437
438
437
436
435
435
435
434
431
428
425
422
420
416
414
413
412
410
409

Wednesday 1

Third Quarter 41%

03:55

12:57

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
18 Bad
19 Bad

Sun - Rise: 05:39, Set: 20:41, Transit: 13:11. Moon - Rise: 03:55, Set: 12:57. Civil Dark: 21:21 - 05:00. Nautical Dark: 22:12 - 04:08. Astro Dark: 23:18 - 03:00

Total Clouds (% Sky Obscured)

97
100
98
97
95
97
98
100
100
99
99
98
98
97
98
99
100
100
100
100
99
98
97
98

Low Clouds (% Sky Obscured)

40
30
25
23
25
25
25
30
42
54
69
69
69
74
82
89
97
89
82
74
71
69
69
76

Medium Clouds (% Sky Obscured)

74
65
69
76
86
89
93
97
97
98
98
96
94
91
93
96
100
99
99
98
96
93
92
89

High Clouds (% Sky Obscured)

87
100
96
91
88
80
77
100
87
77
65
60
55
50
67
83
100
100
100
100
86
70
55
67

ISS Passover

Visibility (miles)

1
7
9
9
9
9
9
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

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
None
Light Rain
Light Rain
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
Very Light Rain
Light Rain
None

Precipitation Probability (%)

68
37
19
29
27
31
45
76
95
95
95
95
95
95
95
95
95
95
95
72
78
81
86
62

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0.4
1
1.5
1.5
0.8
0.5
1.3
1.9
2.1
1.5
1.1
0.7
0.3
0.3
0.3
0.4
0

Wind Speed/Direction (mph)

4
2
2
2
2
2
2
3
3
3
4
4
5
8
10
11
12
13
12
13
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
96
94
96
96
98
98
100
100
98
100
98
98
98
98
100
98
98
98
98
98
98

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

409
407
404
402
400
397
396
392
388
383
383
383
383
382
380
377
377
378
377
377
376
375
374
375

Thursday 2

Waning Crescent 29%

04:10

14:27

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
18 Bad
19 Bad

Sun - Rise: 05:38, Set: 20:43, Transit: 13:11. Moon - Rise: 04:10, Set: 14:27. Civil Dark: 21:22 - 04:58. Nautical Dark: 22:15 - 04:05. Astro Dark: 23:22 - 02:56

Total Clouds (% Sky Obscured)

99
100
98
96
94
89
84
78
77
76
75
100
100
100
99
97
96
95
93
92
89
85
77
81

Low Clouds (% Sky Obscured)

86
93
89
83
78
76
72
63
59
50
43
68
67
66
58
56
53
48
42
38
37
35
35
40

Medium Clouds (% Sky Obscured)

89
91
88
86
77
69
61
48
50
55
55
89
79
68
52
37
20
24
30
40
27
15
2
7

High Clouds (% Sky Obscured)

79
92
86
74
75
71
71
70
70
70
73
57
51
61
66
71
71
74
75
79
72
64
59
66

ISS Passover

Visibility (miles)

0
0
0
5
4
0
0
2
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 (%)

55
45
34
23
7
5
2
2
3
2
1
34
25
14
22
20
1
3
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
100
98
98
100
98
98
98
94
90
84
78
75
68
65
65
66
66
70
74
77

Pressure (mb)

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

Ozone (du)

376
375
374
374
373
374
373
372
371
371
371
373
373
374
375
377
379
380
380
379
379
379
379
379

Friday 3

Waning Crescent 19%

04:23

15:56

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
18 Bad
19 Bad

Sun - Rise: 05:36, Set: 20:45, Transit: 13:11. Moon - Rise: 04:23, Set: 15:56. Civil Dark: 21:24 - 04:56. Nautical Dark: 22:17 - 04:03. Astro Dark: 23:26 - 02:52

Total Clouds (% Sky Obscured)

86
91
94
97
100
100
100
100
99
97
95
97
98
100
97
95
92
89
86
82
91
96
100
100

Low Clouds (% Sky Obscured)

46
54
51
47
38
24
10
0
4
8
12
17
20
26
31
35
39
47
56
67
64
58
52
52

Medium Clouds (% Sky Obscured)

13
19
31
43
55
50
50
45
41
34
34
32
33
34
33
28
18
34
58
78
75
72
71
66

High Clouds (% Sky Obscured)

75
85
90
95
100
100
100
100
90
79
69
78
89
100
81
62
46
54
58
61
77
88
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
37
48
56
63
68
70
69
68
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
87
85
82
79
81
81
81
82
85
85
82
78
75
73
73
72
75
78
80
83
84
89

Pressure (mb)

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

Ozone (du)

381
383
384
385
386
387
389
391
393
395
397
400
402
405
408
406
405
403
402
401
401
399
398
397

Saturday 4

Waning Crescent 10%

04:35

17:25

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: 05:34, Set: 20:46, Transit: 13:11. Moon - Rise: 04:35, Set: 17:25. Civil Dark: 21:26 - 04:54. Nautical Dark: 22:19 - 04:00. Astro Dark: 23:30 - 02:48

Total Clouds (% Sky Obscured)

100
100
96
93
88
89
89
89
90
91
91
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

52
53
66
77
89
85
82
81
81
82
82
88
94
100
98
96
94

Medium Clouds (% Sky Obscured)

65
55
55
60
65
59
58
53
41
28
16
41
66
92
84
78
71

High Clouds (% Sky Obscured)

100
100
95
90
81
75
70
69
60
53
43
49
55
63
52
42
33

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

59
60
76
95
95
95
93
67
52
40
29
36
37
35
36
37
49

Precipitation Amount (mm)

0.2
0.4
0.4
0.7
1
0.9
0.6
0.3
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

10
10
9
11
14
16
13
12
10
10
11
12
11
10
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
7
4
3
0
0
0
-1
1
1
1
2
1

Dew Point (°C)

10
10
9
9
9
9
8
8
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

89
91
91
93
93
95
93
95
94
96
94
94
94
94
94
93
91

Pressure (mb)

1010
1010
1010
1009
1008
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

395
393
391
394
397
400
406
412
418
420
423
426
425
425
424
425
426

Forecast for Abergwesyn, Powys, United Kingdom (52.27,-3.69)

Generated: 28/04/24 20:41:37. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00