Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

15:51

05:35

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

Sun - Rise: 06:28, Set: 20:38, Transit: 13:34. Moon - Rise: 15:51, Set: 05:35. Civil Dark: 21:13 - 05:53. Nautical Dark: 21:58 - 05:08. Astro Dark: 22:48 - 04:17

Total Clouds (% Sky Obscured)

100
97
77
87
87
77
87
70
83
100
100
99
98
98
95
96
63
55
49
100
98
99
97
99

Low Clouds (% Sky Obscured)

95
84
94
93
76
57
61
54
57
98
100
98
91
90
87
89
75
69
67
100
95
94
90
98

Medium Clouds (% Sky Obscured)

100
92
84
72
79
2
22
23
35
21
57
26
35
27
26
26
30
29
26
27
69
41
77
75

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
7
9
9
0
7
5
6
8
9
9
9
7
0
0
5
4

Fog (%)

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

Precipitation Probability (%)

100
100
100
100
100
0
0
0
37
24
11
38
46
65
60
45
35
49
62
88
85
70
75
79

Precipitation Amount (mm)

0.7
0.5
0.5
0.8
0.3
0
0
0
0.2
0
0
0
0
0.3
0.3
0
0
0
0.3
0.8
0.7
0.3
0.4
0.4

Wind Speed/Direction (mph)

14
16
15
19
21
22
19
15
15
14
14
14
14
13
12
11
10
9
7
7
7
7
8
9

Chance of Frost

Temperature (°C)

10
9
9
10
9
9
9
9
6
6
5
5
5
5
5
5
5
4
3
3
4
4
5
5

Feels Like (°C)

6
5
5
4
3
3
3
5
2
0
-1
-1
-1
-1
-0
-0
1
1
2
1
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

86
89
88
81
82
76
71
67
84
86
86
98
90
94
89
86
86
89
93
96
98
96
93
93

Pressure (mb)

1009
1008
1009
1009
1009
1010
1010
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1020
1020
1021
1021

Ozone (du)

400
409
413
417
415
416
417
416
401
404
408
411
412
414
415
418
422
423
426
423
417
413
413
413

Saturday 20

Waxing Gibbous 91%

17:00

05:45

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

Sun - Rise: 06:26, Set: 20:40, Transit: 13:34. Moon - Rise: 17:00, Set: 05:45. Civil Dark: 21:15 - 05:50. Nautical Dark: 22:00 - 05:05. Astro Dark: 22:51 - 04:14

Total Clouds (% Sky Obscured)

99
97
96
77
91
78
79
89
92
87
84
88
93
83
83
92
69
61
85
100
93
94
78
81

Low Clouds (% Sky Obscured)

97
89
83
66
64
44
61
73
76
67
75
78
87
73
72
76
56
42
70
100
79
89
63
71

Medium Clouds (% Sky Obscured)

59
26
27
21
29
24
70
85
84
13
1
0
1
0
33
79
60
60
54
21
14
0
0
3

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

0
0
0
7
1
8
4
7
8
7
7
5
5
7
0
0
0
0
0
2
0
0
0
5

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

Precipitation Probability (%)

78
70
69
75
62
63
63
53
45
40
30
34
41
52
90
95
79
50
45
47
27
22
31
29

Precipitation Amount (mm)

0.4
0.3
0.3
0.6
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0.8
1.2
0.4
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
88
74
75
81
87
90
91
93
96
94
94
96
100
100
98
98
93
96
98
96
91

Pressure (mb)

1022
1022
1023
1023
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

412
412
413
414
414
415
417
418
419
419
421
422
422
426
430
428
428
427
424
421
418
417
419
421

Sunday 21

Waxing Gibbous 96%

18:08

05:55

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

Sun - Rise: 06:24, Set: 20:41, Transit: 13:34. Moon - Rise: 18:08, Set: 05:55. Civil Dark: 21:17 - 05:48. Nautical Dark: 22:02 - 05:03. Astro Dark: 22:54 - 04:10

Total Clouds (% Sky Obscured)

75
88
93
88
68
89
83
75
80
75
48
75
76
94
89
90
93
78
100
95
92
100
100
100

Low Clouds (% Sky Obscured)

53
30
60
62
14
66
27
22
39
34
1
23
53
67
73
67
76
71
73
71
64
55
53
74

Medium Clouds (% Sky Obscured)

21
30
45
30
36
65
69
74
71
61
56
77
62
86
57
71
47
38
99
88
81
98
99
99

High Clouds (% Sky Obscured)

4
58
6
4
12
75
87
29
48
75
60
85
44
85
68
61
83
14
26
66
74
97
98
99

ISS Passover

Visibility (miles)

5
9
5
7
6
9
8
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
8
12
12
12
12

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 (%)

34
43
51
44
38
32
25
7
0
10
3
3
10
0
0
0
0
4
0
0
0
5
16
18

Precipitation Amount (mm)

0
0
0.3
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
10
10
10
9
10
11
9
8
7
6
6
5
4
4
3
3
3
3
3
4
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
4
5
5
6
6
5
4
3
2
1
1
0
-1
-0
1
-0
-1
-0
-1
-1
0
0
1

Dew Point (°C)

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

Relative Humidity (%)

87
79
69
66
57
52
60
67
71
74
79
82
86
91
91
94
93
94
94
94
88
80
76
68

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

420
421
424
428
429
431
434
435
436
436
435
434
433
431
428
427
426
423
418
422
429
429
427
430

Monday 22

Waxing Gibbous 99%

19:18

06:06

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

Sun - Rise: 06:22, Set: 20:43, Transit: 13:34. Moon - Rise: 19:18, Set: 06:06. Civil Dark: 21:19 - 05:46. Nautical Dark: 22:04 - 05:01. Astro Dark: 22:57 - 04:07

Total Clouds (% Sky Obscured)

100
100
97
95
92
92
92
91
71
46
26
15
20
4
5
7
10
12
20
34
61
69
72
71

Low Clouds (% Sky Obscured)

81
84
77
71
64
59
51
41
32
21
7
6
2
2
3
5
7
5
3
3
21
27
40
39

Medium Clouds (% Sky Obscured)

100
100
92
86
82
82
86
90
81
73
65
65
56
3
3
2
3
3
12
14
8
6
8
27

High Clouds (% Sky Obscured)

99
100
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

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 (%)

22
22
21
17
19
26
28
29
25
18
3
3
3
0
0
1
2
5
5
3
3
4
15
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
53
48
48
50
61
67
73
77
79
81
84
86
84
84
87
91
94
96
94
88
85
85

Pressure (mb)

1025
1025
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

430
431
428
426
426
424
421
420
418
417
419
419
419
422
426
426
425
425
423
422
422
423
425
422

Tuesday 23

Waxing Gibbous 100%

20:30

06:19

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

Sun - Rise: 06:20, Set: 20:44, Transit: 13:33. Moon - Rise: 20:30, Set: 06:19. Civil Dark: 21:21 - 05:44. Nautical Dark: 22:06 - 04:58. Astro Dark: 22:59 - 04:04

Total Clouds (% Sky Obscured)

78
78
72
79
76
53
54
93
85
77
83
92
90
71
65
68
75
85
88
88
90
93
95
98

Low Clouds (% Sky Obscured)

44
39
41
49
55
26
12
13
11
2
12
26
28
16
17
20
21
34
49
62
65
68
70
67

Medium Clouds (% Sky Obscured)

33
39
31
26
27
26
24
49
19
6
0
18
37
55
52
45
35
34
30
26
34
43
56
71

High Clouds (% Sky Obscured)

0
0
0
0
0
12
23
35
40
40
45
30
29
27
33
41
51
65
80
95
95
90
90
90

ISS Passover

Visibility (miles)

9
9
9
9
6
9
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

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 (%)

4
19
21
31
37
29
30
14
0
0
0
0
0
0
0
0
0
14
20
23
26
28
29
27

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
10
10
10
10
8
6
5
3
3
2
3
2
2
2
2
3
3
4
4
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
4
4
4
5
6
6
4
4
4
2
1
0
1
0
0
0
-0
-1
-1
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

76
70
61
56
60
61
62
69
74
78
80
82
82
81
84
86
89
91
91
89
89
83
77
72

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

420
419
420
423
423
422
421
422
422
418
415
413
409
407
406
404
402
400
399
397
396
396
397
397

Wednesday 24

Full Moon 99%

21:45

06:35

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 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)

99
100
100
99
99
94
85
75
71
65
64
56
50
44
62
81
99
100
100
99
99
99
99
95

Low Clouds (% Sky Obscured)

63
60
59
58
57
57
58
57
57
60
61
47
31
14
19
24
26
29
33
33
39
45
47
47

Medium Clouds (% Sky Obscured)

85
99
97
95
92
78
60
49
39
29
20
22
27
31
51
70
89
79
67
57
58
57
55
67

High Clouds (% Sky Obscured)

85
85
85
85
85
80
75
50
33
16
6
5
4
4
11
13
15
35
56
76
65
56
55
54

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 (%)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Precipitation Type

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

Precipitation Probability (%)

22
11
23
30
36
40
45
51
43
32
11
9
6
0
6
9
11
12
13
13
14
12
8
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
60
54
56
58
60
68
75
84
86
88
93
91
93
93
94
94
96
93
89
88
80
72
66

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

398
399
400
400
400
400
400
400
401
402
403
404
404
405
405
404
404
404
402
401
400
399
398
397

Thursday 25

Waning Gibbous 96%

23:02

06:57

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
04 Bad
05 Bad
06 Bad
07 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)

92
91
93
95
98
96
94
95
96
97
97
92
91
93
85
80
74
82
86
91

Low Clouds (% Sky Obscured)

49
53
59
66
72
71
68
65
67
69
72
70
72
74
66
66
63
70
80
87

Medium Clouds (% Sky Obscured)

79
88
87
85
83
80
78
79
85
88
92
92
93
92
83
64
48
45
37
34

High Clouds (% Sky Obscured)

42
29
43
62
82
86
95
100
100
100
100
95
95
90
85
80
75
54
36
20

ISS Passover

Visibility (miles)

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

Fog (%)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Precipitation Type

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

Precipitation Probability (%)

12
14
24
30
36
36
34
31
29
28
26
32
37
41
43
44
43
37
30
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
70
72
72
72
75
79
84
85
88
91
91
93
93
93
91
91
91
91

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

397
397
397
397
397
398
398
399
400
403
405
408
408
408
408
409
409
410
410
410

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

Generated: 19/04/24 20:28:23. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+2.00