Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

21:45

06:35

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:18, Set: 20:46, Transit: 13:33. Moon - Rise: 21:45, Set: 06:35. Civil Dark: 21:22 - 05:42. Nautical Dark: 22:08 - 04:56. Astro Dark: 23:02 - 04:01

Total Clouds (% Sky Obscured)

90
87
92
94
91
94
88
93
53
62
52
82
88
90
95
96
98
99
92
99
97
99
100
99

Low Clouds (% Sky Obscured)

77
84
78
82
76
80
67
78
80
70
69
77
84
85
87
87
84
79
65
69
83
89
60
61

Medium Clouds (% Sky Obscured)

62
62
62
60
49
55
60
32
0
0
0
0
0
7
52
67
79
84
70
67
87
96
98
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
31
12
80
82
87
57
13
9
54
31
32
1

ISS Passover

Visibility (miles)

7
1
5
4
5
4
9
9
9
9
9
9
9
9
9
7
5
7
7
9
6
6
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

81
95
86
84
80
67
51
36
31
16
4
10
16
16
17
9
18
10
18
31
49
52
34
23

Precipitation Amount (mm)

0.4
0.6
0.7
0.7
0.6
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
79
77
81
81
85
89
94
96
96
96
96
96
98
96
96
94
93
88
83
79
74
64

Pressure (mb)

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

Ozone (du)

440
438
438
438
437
437
437
437
434
432
432
430
429
430
430
429
428
430
430
429
426
425
426
427

Thursday 25

Waning Gibbous 96%

23:02

06:57

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:16, Set: 20:48, Transit: 13:33. Moon - Rise: 23:02, Set: 06:57. Civil Dark: 21:24 - 05:40. Nautical Dark: 22:10 - 04:53. Astro Dark: 23:05 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
98
99
96
98
99
94
100
86
77
84
84
74
81
93
96
91
100
100

Low Clouds (% Sky Obscured)

76
71
55
60
53
49
40
28
32
38
64
59
56
57
41
29
63
73
88
87
98
75
59
57

Medium Clouds (% Sky Obscured)

99
98
85
100
95
92
91
87
89
94
98
88
95
45
56
63
63
62
56
48
51
55
73
84

High Clouds (% Sky Obscured)

0
18
25
0
54
70
92
99
80
80
72
80
48
18
22
40
57
13
6
12
14
21
33
58

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 (%)

20
23
19
20
24
25
22
16
20
17
32
31
19
6
1
1
6
15
16
8
3
22
35
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
1
2
3
3
3
2
2
1
2
2
2
2
1
1
1
1
1
1
2
2
2
3
3

Relative Humidity (%)

64
59
62
64
65
69
70
71
74
75
78
82
80
73
73
80
83
83
76
70
68
63
61
62

Pressure (mb)

1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1005

Ozone (du)

430
433
431
430
428
427
427
426
428
429
428
427
425
426
429
430
431
430
428
427
426
427
424
421

Friday 26

Waning Gibbous 91%

00:19

07:28

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:15, Set: 20:49, Transit: 13:33. Moon - Rise: 00:19, Set: 07:28. Civil Dark: 21:26 - 05:38. Nautical Dark: 22:13 - 04:51. Astro Dark: 23:08 - 03:55

Total Clouds (% Sky Obscured)

100
100
99
94
82
92
100
85
75
86
59
55
49
53
74
87
91
100
99
98
97
97
94
95

Low Clouds (% Sky Obscured)

59
59
55
30
31
28
36
54
30
22
4
10
23
29
19
4
34
40
48
57
60
54
43
43

Medium Clouds (% Sky Obscured)

99
97
92
72
63
77
89
55
42
37
26
27
21
16
60
64
85
98
95
90
86
76
66
41

High Clouds (% Sky Obscured)

93
100
98
93
80
66
72
79
79
42
8
5
7
37
64
25
49
100
91
78
67
21
25
34

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
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
None
None
None
None
None
None
None

Precipitation Probability (%)

43
41
29
27
20
7
3
1
1
1
1
1
1
11
0
0
0
0
12
17
31
39
43
50

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

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
10
8
8
7
7
6
6
6
5
6
6
6
8
10
11
13
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
64
62
61
70
73
78
82
81
84
90
91
91
91
90
90
90
87
81
79
76
73
64

Pressure (mb)

1005
1006
1005
1005
1005
1005
1005
1006
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1006
1006

Ozone (du)

420
419
420
420
421
422
427
431
433
433
434
434
435
436
435
435
435
435
437
437
437
437
433
427

Saturday 27

Waning Gibbous 83%

01:30

08:13

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:13, Set: 20:51, Transit: 13:33. Moon - Rise: 01:30, Set: 08:13. Civil Dark: 21:28 - 05:36. Nautical Dark: 22:15 - 04:48. Astro Dark: 23:11 - 03:51

Total Clouds (% Sky Obscured)

62
90
90
92
70
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
92
89
87
82

Low Clouds (% Sky Obscured)

27
40
41
37
22
17
22
43
47
49
53
52
56
53
32
44
8
0
13
27
40
38
34
32

Medium Clouds (% Sky Obscured)

48
57
67
67
70
100
100
100
100
100
100
100
100
100
100
100
100
100
88
74
50
59
55
48

High Clouds (% Sky Obscured)

46
53
56
53
55
100
78
100
100
100
100
100
100
100
100
100
100
100
75
73
65
2
13
65

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

51
51
50
49
45
33
37
41
32
47
43
48
42
35
25
25
20
11
8
4
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
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)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
15
14
13
13
12
12
12
12
11
11
11
11
11
12
13
13
15
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
62
65
66
68
75
79
84
84
86
86
84
84
83
84
87
87
81
83
80
76
66
60
56

Pressure (mb)

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

Ozone (du)

425
424
421
419
418
417
416
415
416
417
420
422
420
420
421
419
421
421
428
432
436
429
426
422

Sunday 28

Waning Gibbous 75%

02:29

09:13

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:11, Set: 20:52, Transit: 13:32. Moon - Rise: 02:29, Set: 09:13. Civil Dark: 21:29 - 05:34. Nautical Dark: 22:17 - 04:46. Astro Dark: 23:14 - 03:48

Total Clouds (% Sky Obscured)

85
91
96
90
84
78
84
92
100
100
100
100
100
100
100
100
99
99
78
58
56
79
86
90

Low Clouds (% Sky Obscured)

31
28
28
37
46
39
48
43
33
27
14
4
6
8
11
7
4
1
2
4
6
19
31
44

Medium Clouds (% Sky Obscured)

2
4
34
58
66
74
83
91
100
100
87
100
99
97
95
96
97
98
73
48
23
43
61
80

High Clouds (% Sky Obscured)

75
84
95
86
75
75
80
26
68
88
71
54
71
88
100
71
42
14
9
5
0
22
45
69

ISS Passover

Visibility (miles)

9
9
8
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 (%)

1
20
38
54
36
43
35
16
3
2
0
0
0
0
0
0
0
0
1
1
1
5
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
52
54
72
79
83
87
86
80
76
81
82
85
82
81
80
80
81
83
76
69
63
64
66

Pressure (mb)

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

Ozone (du)

421
422
418
419
420
417
415
413
410
411
411
410
410
409
408
407
410
412
415
415
415
414
414
413

Monday 29

Waning Gibbous 64%

03:14

10:29

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:09, Set: 20:54, Transit: 13:32. Moon - Rise: 03:14, Set: 10:29. Civil Dark: 21:31 - 05:32. Nautical Dark: 22:19 - 04:43. Astro Dark: 23:17 - 03:45

Total Clouds (% Sky Obscured)

96
98
100
79
68
63
78
89
99
91
83
75
73
74
74
73
68
70
73
81
88
84
77
68

Low Clouds (% Sky Obscured)

36
30
21
18
14
10
7
3
0
0
0
1
12
23
34
29
24
19
21
15
12
21
26
30

Medium Clouds (% Sky Obscured)

79
76
72
57
45
38
51
65
75
63
54
45
50
55
64
65
66
62
72
81
84
71
62
58

High Clouds (% Sky Obscured)

81
91
100
82
68
60
76
88
90
89
86
81
79
76
74
67
60
59
61
66
68
62
56
50

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 (%)

8
8
8
9
8
2
6
5
0
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
16
15
14
14
12
11
10
9
9
8
8
8
8
9
10
11
13
15
16
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
67
68
72
76
80
83
83
83
84
84
84
84
81
81
80
77
77
74
70
68
65
62

Pressure (mb)

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

Ozone (du)

412
405
399
392
389
386
384
382
380
379
378
378
377
378
379
379
378
377
375
376
378
379
380
381

Tuesday 30

Waning Gibbous 53%

03:46

11:53

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
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 06:07, Set: 20:56, Transit: 13:32. Moon - Rise: 03:46, Set: 11:53. Civil Dark: 21:33 - 05:30. Nautical Dark: 22:21 - 04:41. Astro Dark: 23:20 - 03:41

Total Clouds (% Sky Obscured)

62
57
52
59
65
72
75
78
82
80
78
77
62
50
36
36
38
37

Low Clouds (% Sky Obscured)

22
16
11
16
20
24
24
26
28
31
30
34
35
31
33
35
35
34

Medium Clouds (% Sky Obscured)

47
35
17
19
23
30
26
21
20
21
21
22
20
17
10
6
3
0

High Clouds (% Sky Obscured)

44
36
28
41
54
67
70
76
83
81
81
82
72
62
47
37
30
17

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
2
2
22
32
37
33
25
6
24
39
53
45
33
12
11
7
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
21
20
18
17
16
15
14
13
12
12
11
11
11
11
11

Feels Like (°C)

13
20
19
18
19
19
20
15
15
16
15
14
13
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

58
59
61
62
66
70
74
79
83
87
87
87
87
88
88
88
90
90

Pressure (mb)

1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

382
381
381
381
380
379
378
378
377
377
377
376
376
375
375
374
374
373

Forecast for Aachen, Cologne District, Germany (50.78,6.08)

Generated: 24/04/24 14:05:26. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+2.00