Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

21:35

05:53

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

Sun - Rise: 05:55, Set: 20:31, Transit: 13:13. Moon - Rise: 21:35, Set: 05:53. Civil Dark: 21:09 - 05:16. Nautical Dark: 21:58 - 04:27. Astro Dark: 22:58 - 03:23

Total Clouds (% Sky Obscured)

81
72
73
70
69
92
86
79
74
65
26
58
62
55
23
22
18
3
0
8
41
45
51
93

Low Clouds (% Sky Obscured)

25
40
43
48
48
93
87
81
76
67
24
60
65
54
22
23
21
3
0
0
27
32
38
66

Medium Clouds (% Sky Obscured)

0
2
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
38
39
22
31

High Clouds (% Sky Obscured)

3
4
4
4
4
4
7
4
0
0
0
0
0
0
0
0
0
0
0
5
22
25
33
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
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 (%)

5
9
11
10
13
16
6
6
11
1
2
11
1
2
0
0
0
0
0
0
3
2
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
88
78
71
75
74
62
54
46
47
54
58
56
56
70
76
76
79
80
80
80
82

Pressure (mb)

1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1015
1015
1014
1013
1013
1012
1011

Ozone (du)

404
407
407
406
406
406
405
405
406
406
404
403
401
402
404
406
407
407
409
414
415
415
413
412

Thursday 25

Waning Gibbous 96%

22:55

06:07

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: 05:53, Set: 20:33, Transit: 13:13. Moon - Rise: 22:55, Set: 06:07. Civil Dark: 21:11 - 05:14. Nautical Dark: 22:01 - 04:24. Astro Dark: 23:02 - 03:20

Total Clouds (% Sky Obscured)

95
100
93
90
94
100
99
100
100
100
100
100
100
99
91
90
87
93
94
96
100
100
100
100

Low Clouds (% Sky Obscured)

59
50
80
55
34
52
55
66
70
83
98
89
81
64
53
33
53
74
71
86
91
75
80
84

Medium Clouds (% Sky Obscured)

28
50
49
43
34
56
70
71
80
89
98
100
97
91
80
84
63
60
89
89
86
77
94
96

High Clouds (% Sky Obscured)

62
73
65
72
73
65
55
64
91
95
87
88
90
87
66
65
65
65
65
45
65
70
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
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 (%)

13
12
8
7
7
6
18
11
16
8
19
15
5
8
0
0
0
6
2
9
27
38
43
49

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)

0
0
1
2
5
8
9
10
10
11
11
10
9
8
6
3
1
1
1
0
0
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
86
88
86
85
67
62
60
62
63
65
74
64
63
61
66
81
90
93
93
89
88
91
86

Pressure (mb)

1010
1009
1008
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

411
408
407
407
407
408
409
410
410
410
409
409
410
410
410
411
412
413
414
414
414
415
417
419

Friday 26

Waning Gibbous 90%

00:14

06:26

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: 05:50, Set: 20:34, Transit: 13:12. Moon - Rise: 00:14, Set: 06:26. Civil Dark: 21:13 - 05:12. Nautical Dark: 22:03 - 04:22. Astro Dark: 23:05 - 03:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
93
93
93
93
92
90
89
90
95
97
100
100
98
93
92
93
100
98
84
82
85
88
92

Medium Clouds (% Sky Obscured)

100
100
100
99
95
100
98
100
100
100
100
97
69
43
39
53
67
45
50
66
100
100
100
100

High Clouds (% Sky Obscured)

84
83
98
100
100
82
55
29
34
33
10
0
1
4
4
7
8
100
72
84
100
91
82
72

ISS Passover

Visibility (miles)

9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
2
8
1
1
8
1
0
0
0

Fog (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

48
52
59
66
73
75
74
75
80
89
95
95
95
86
72
58
46
41
45
75
95
92
94
95

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.4
0.4
0.3
0.4
0.6
0.9
0.9
0.9
0.6
0.3
0
0
0
0
0.3
0.8
0.6
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
5
5
5
5
5
6
6
6
6
6
6
6
5
5
6
6
6
5
5
5
5
5

Feels Like (°C)

3
2
3
3
2
2
3
4
4
4
4
4
4
4
3
3
4
3
3
3
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

86
89
93
91
93
94
96
96
96
94
98
98
96
98
100
98
98
98
100
98
96
98
98
100

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003

Ozone (du)

424
427
431
434
436
440
444
444
444
445
445
447
448
450
450
449
448
448
449
449
446
443
440
438

Saturday 27

Waning Gibbous 88%

01:27

06:55

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: 05:48, Set: 20:36, Transit: 13:12. Moon - Rise: 01:27, Set: 06:55. Civil Dark: 21:15 - 05:10. Nautical Dark: 22:06 - 04:19. Astro Dark: 23:09 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
87
83
75
66
63
49
38
25
31
42
56
73
87
100

Low Clouds (% Sky Obscured)

94
96
99
99
100
100
100
100
100
89
78
67
54
46
36
26
15
5
18
31
45
47
48
53

Medium Clouds (% Sky Obscured)

100
100
100
100
98
100
82
45
50
15
25
35
48
51
40
35
35
4
3
3
9
22
40
83

High Clouds (% Sky Obscured)

82
32
100
68
33
100
85
67
50
60
60
65
70
70
70
50
43
40
40
40
45
63
85
100

ISS Passover

Visibility (miles)

0
0
0
0
0
2
3
2
0
0
1
2
9
7
0
0
0
0
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
Light Rain
Light Rain
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
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
87
72
53
24
17
11
1
1
2
2
3
11
2
0
0
0

Precipitation Amount (mm)

0.8
0.8
0.8
0.8
0.9
1.2
1
0.7
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
98
98
96
96
96
98
96
98
96
96
96
96
98
98
96
98
98
100
98
98

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003

Ozone (du)

438
436
436
434
432
430
431
431
431
432
432
431
430
430
429
428
427
427
426
426
429
429
429
429

Sunday 28

Waning Gibbous 83%

02:26

07:38

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: 05:46, Set: 20:38, Transit: 13:12. Moon - Rise: 02:26, Set: 07:38. Civil Dark: 21:17 - 05:07. Nautical Dark: 22:08 - 04:16. Astro Dark: 23:12 - 03:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
90
100
82
70
85
100
99
98
97
98
98
99

Low Clouds (% Sky Obscured)

65
77
89
92
95
98
95
93
90
93
95
97
89
99
86
49
49
45
54
63
73
78
83
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
76
65
65
65
71
94
72
30
58
86
82
80
73
66
56
45

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
52
50
50
55
56
60
63
31
56
88
63
37
7
30
53
72

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
2
1
0
0
9
9
8
9
6
7
8
9
7
4
1
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
9
16
65
90
95
95
95
95
95
95
95
95
95
95
47
45
39
40
41
41
38
37
39

Precipitation Amount (mm)

0
0
0
0.3
0.6
0.8
0.8
0.9
1.1
1
1
0.9
1.1
1.3
1.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
98
98
98
96
98
95
88
88
82
95
91
95
96
100
98
100
98
98
100

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1005
1005
1006
1007
1007
1006
1006
1006
1006

Ozone (du)

429
429
429
428
428
426
427
429
431
433
433
432
433
435
435
434
432
431
430
432
434
436
437
439

Monday 29

Waning Gibbous 74%

03:08

08:40

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: 05:44, Set: 20:40, Transit: 13:12. Moon - Rise: 03:08, Set: 08:40. Civil Dark: 21:19 - 05:05. Nautical Dark: 22:10 - 04:14. Astro Dark: 23:16 - 03:04

Total Clouds (% Sky Obscured)

98
96
94
93
93
93
91
88
87
93
96
100
100
100
100
96
92
88
92
92
92
92
93
94

Low Clouds (% Sky Obscured)

90
89
88
90
93
96
91
87
82
81
80
81
85
91
98
80
63
45
50
58
66
68
71
76

Medium Clouds (% Sky Obscured)

45
44
37
34
27
28
28
31
31
47
54
55
53
61
69
62
55
52
47
38
21
22
22
23

High Clouds (% Sky Obscured)

42
18
2
0
0
0
0
0
0
3
6
11
42
71
100
86
73
59
52
41
30
29
24
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
2
1
0
3
6
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
33
21
31
34
34
49
62
74
67
61
55
42
29
14
14
10
3
3
3
1
7
12
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
93
88
84
87
88
90
91
95
96
93
87
82
88
93
98
96
98
98
96
94

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1012

Ozone (du)

440
441
441
442
441
440
439
437
436
434
434
433
432
431
430
430
428
426
423
422
421
419
418
417

Tuesday 30

Waning Gibbous 64%

03:37

09:58

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

Sun - Rise: 05:42, Set: 20:41, Transit: 13:12. Moon - Rise: 03:37, Set: 09:58. Civil Dark: 21:21 - 05:03. Nautical Dark: 22:13 - 04:11. Astro Dark: 23:20 - 03:00

Total Clouds (% Sky Obscured)

94
94
94
96
98
100
90
81
73
72
74
79
87
94
97
88
75
64
75
86
97

Low Clouds (% Sky Obscured)

75
75
74
77
76
77
76
74
71
68
68
68
74
77
80
67
51
36
37
38
39

Medium Clouds (% Sky Obscured)

41
59
77
61
46
30
33
32
35
43
55
62
71
82
90
77
64
45
35
26
21

High Clouds (% Sky Obscured)

55
60
75
80
87
100
75
47
20
20
30
40
43
51
49
47
43
40
56
71
96

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

30
42
52
57
62
68
75
79
80
72
63
53
47
39
30
24
17
13
13
10
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
2
3
3
3
4
3
4
4
4
4
3
4
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
7
7
8
8
8
8
7
8
8
8
8
8
8
8
8
7
8

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
96
96
98
98
96
95
95
93
93
91
93
91
95
95
98
96
98

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

415
415
415
414
414
414
414
415
416
417
419
420
422
423
424
425
429
432
435
437
440

Forecast for Aberllefenni, Powys, United Kingdom (52.67,-3.82)

Generated: 24/04/24 04:45:33. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+1.00