Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

15:58

05:42

16 Bad
17 Bad
18 OK
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

Sun - Rise: 06:35, Set: 20:45, Transit: 13:41. Moon - Rise: 15:58, Set: 05:42. Civil Dark: 21:21 - 05:59. Nautical Dark: 22:05 - 05:15. Astro Dark: 22:56 - 04:23

Total Clouds (% Sky Obscured)

73
64
37
47
77
81
83
84
88
88
74
92
97
94
88
92
83
84
54
92
77
76
84
70

Low Clouds (% Sky Obscured)

63
59
33
35
72
84
86
87
89
89
78
87
94
88
84
84
77
73
42
79
71
68
72
67

Medium Clouds (% Sky Obscured)

10
3
0
0
0
0
0
0
0
0
0
12
14
16
20
22
17
19
17
20
6
12
20
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
4
4
8

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
7
4
7
7
7
9
9
9
9
2
8
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
2
0
19
10
11
16
24
22
31
58
69
66
45
35
31
23
26
46
48
31
26
28
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
74
73
71
70
64
66
71
72
74
82
93
91
89
89
88
83
78
71
73
75
60
55
55

Pressure (mb)

1012
1013
1014
1014
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

414
409
404
404
403
404
408
413
414
414
415
415
414
413
412
412
408
404
401
401
404
406
404
402

Saturday 20

Waxing Gibbous 92%

17:07

05:52

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
14 Bad
15 Bad

Sun - Rise: 06:33, Set: 20:47, Transit: 13:41. Moon - Rise: 17:07, Set: 05:52. Civil Dark: 21:22 - 05:57. Nautical Dark: 22:07 - 05:12. Astro Dark: 22:59 - 04:20

Total Clouds (% Sky Obscured)

93
73
85
78
67
72
78
81
87
98
95
72
93
92
50
63
52
62
50
53
80
74
71
53

Low Clouds (% Sky Obscured)

75
55
73
65
57
70
74
77
84
95
91
62
66
76
30
48
49
63
50
56
70
52
61
54

Medium Clouds (% Sky Obscured)

24
15
28
7
6
0
3
0
0
9
3
28
26
27
0
8
0
0
0
0
13
27
15
9

High Clouds (% Sky Obscured)

11
7
8
9
8
4
9
28
8
4
0
0
0
0
0
0
0
0
4
0
0
4
53
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

53
47
36
19
16
5
16
13
9
29
25
29
31
26
9
3
1
7
14
7
19
25
43
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
15
14
14
12
10
9
7
8
6
6
6
6
6
6
7
8
9
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
73
71
73
75
76
78
76
73
78
80
83
86
83
83
85
85
85
78
66
61
56
51
51

Pressure (mb)

1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

401
401
401
402
402
402
402
402
405
406
409
413
419
426
435
437
431
427
425
425
427
431
436
435

Sunday 21

Waxing Gibbous 96%

18:16

06:02

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

Sun - Rise: 06:31, Set: 20:48, Transit: 13:40. Moon - Rise: 18:16, Set: 06:02. Civil Dark: 21:24 - 05:55. Nautical Dark: 22:09 - 05:10. Astro Dark: 23:01 - 04:17

Total Clouds (% Sky Obscured)

85
55
66
48
45
15
61
64
37
33
41
12
4
19
77
40
34
34
35
67
84
97
91
85

Low Clouds (% Sky Obscured)

62
48
63
28
28
30
30
21
25
26
28
0
0
2
16
2
9
15
22
65
77
82
79
76

Medium Clouds (% Sky Obscured)

52
47
65
49
50
50
68
45
7
1
3
9
0
2
68
51
23
17
8
19
35
48
42
28

High Clouds (% Sky Obscured)

4
6
75
8
4
4
27
27
7
20
35
4
8
46
60
63
36
6
2
26
51
16
4
4

ISS Passover

Visibility (miles)

6
6
8
9
8
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
45
36
41
30
25
13
0
0
0
0
0
0
0
0
0
0
1
12
24
23
34
40
41

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
59
63
70
79
84
82
85
85
88
89
89
89
88
89
85
73
61
55
50
51
52
52

Pressure (mb)

1025
1025
1026
1025
1026
1026
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1024

Ozone (du)

430
433
439
439
438
437
437
439
440
441
443
442
440
437
433
430
427
425
428
427
424
422
426
426

Monday 22

Waxing Gibbous 99%

19:26

06:13

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

Sun - Rise: 06:29, Set: 20:50, Transit: 13:40. Moon - Rise: 19:26, Set: 06:13. Civil Dark: 21:26 - 05:53. Nautical Dark: 22:11 - 05:07. Astro Dark: 23:04 - 04:14

Total Clouds (% Sky Obscured)

79
86
93
98
87
91
76
58
54
42
23
25
28
46
58
43
54
64
74
73
75
69
68
75

Low Clouds (% Sky Obscured)

73
76
73
75
63
74
64
50
49
35
25
28
30
35
41
46
54
60
69
59
46
26
32
46

Medium Clouds (% Sky Obscured)

22
70
85
57
53
52
50
33
15
0
0
0
2
17
25
2
0
0
3
11
24
36
37
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
8
7
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
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
None

Precipitation Probability (%)

45
49
51
52
47
45
47
38
29
19
17
13
0
0
0
0
0
0
0
2
4
10
5
15

Precipitation Amount (mm)

0
0.2
0.3
0.3
0.2
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
9
8
6
5
5
4
4
4
4
4
4
5
5
6
7
8
9
11
12
12
12
11

Chance of Frost

Temperature (°C)

9
9
8
7
6
5
5
4
4
3
2
2
1
1
1
1
1
3
4
6
7
8
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
53
57
64
66
71
78
79
82
83
85
88
89
89
91
89
83
70
64
58
51
53
59
55

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

425
423
422
422
421
422
425
427
431
436
439
437
435
433
432
432
431
432
430
426
424
421
420
419

Tuesday 23

Waxing Gibbous 100%

20:38

06:26

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
14 Bad
15 Bad

Sun - Rise: 06:27, Set: 20:52, Transit: 13:40. Moon - Rise: 20:38, Set: 06:26. Civil Dark: 21:28 - 05:51. Nautical Dark: 22:13 - 05:05. Astro Dark: 23:07 - 04:11

Total Clouds (% Sky Obscured)

75
61
57
50
54
58
61
67
69
76
83
87
92
96
98
100
100
100
100
86
73
59
71
79

Low Clouds (% Sky Obscured)

53
29
15
0
0
0
0
0
0
0
24
47
70
69
72
67
58
57
52
53
53
52
54
62

Medium Clouds (% Sky Obscured)

37
25
12
0
0
0
0
17
34
50
51
47
43
43
46
46
63
81
98
87
76
65
71
75

High Clouds (% Sky Obscured)

0
6
12
15
13
13
11
15
13
23
33
47
61
73
84
95
95
90
90
85
85
85
85
80

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 (%)

5
5
6
4
0
0
0
0
0
0
1
2
2
19
27
33
30
25
20
20
18
14
16
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
57
51
51
57
61
63
67
73
77
85
85
86
86
85
82
80
74
66
62
56
51
47
50

Pressure (mb)

1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016

Ozone (du)

419
418
417
411
406
402
401
401
401
401
403
403
403
402
401
400
398
398
398
398
399
400
402
403

Wednesday 24

Full Moon 99%

21:53

06:42

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
14 Bad
15 Bad

Sun - Rise: 06:25, Set: 20:53, Transit: 13:40. Moon - Rise: 21:53, Set: 06:42. Civil Dark: 21:29 - 05:49. Nautical Dark: 22:16 - 05:02. Astro Dark: 23:10 - 04:07

Total Clouds (% Sky Obscured)

88
87
84
82
87
91
96
91
85
79
84
89
95
96
97
98
93
89
87
91
95
99
99
99

Low Clouds (% Sky Obscured)

69
65
60
53
59
65
69
62
53
45
54
67
75
61
50
39
47
55
63
62
60
61
71
77

Medium Clouds (% Sky Obscured)

82
81
79
80
71
64
59
62
64
66
69
73
77
66
55
47
36
30
21
44
66
90
91
90

High Clouds (% Sky Obscured)

70
58
48
42
41
39
28
25
28
27
38
45
52
60
76
92
65
42
18
25
31
37
56
70

ISS Passover

Visibility (miles)

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

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
22
23
24
20
15
8
7
4
0
3
5
6
8
10
10
17
24
32
36
39
41
43
44

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
4
5
5
4
4
4
2
1
1
1
1
1
2
2
2
1
1
1
7

Dew Point (°C)

1
2
2
3
4
4
4
4
4
4
3
3
3
3
3
3
3
4
5
6
6
6
6
6

Relative Humidity (%)

54
58
62
67
73
77
82
86
88
90
91
89
89
89
88
88
88
88
88
90
84
80
76
76

Pressure (mb)

1016
1016
1016
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012

Ozone (du)

403
404
403
402
401
401
400
400
400
400
400
400
400
400
400
399
399
399
399
399
399
399
399
400

Thursday 25

Waning Gibbous 96%

23:10

07:04

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: 06:23, Set: 20:55, Transit: 13:40. Moon - Rise: 23:10, Set: 07:04. Civil Dark: 21:31 - 05:46. Nautical Dark: 22:18 - 05:00. Astro Dark: 23:12 - 04:04

Total Clouds (% Sky Obscured)

99
99
99
98
95
86
79
68
76
85
75
75
71
74
78
81

Low Clouds (% Sky Obscured)

83
84
83
83
69
53
35
39
43
51
52
48
50
50
54
54

Medium Clouds (% Sky Obscured)

91
85
80
77
77
79
78
81
81
84
77
72
67
65
63
61

High Clouds (% Sky Obscured)

85
85
85
85
85
80
75
70
65
60
53
37
22
28
33
45

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

45
47
47
46
41
37
34
30
25
19
20
19
16
19
21
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
76
78
81
85
90
94
93
93
91
91
91
93
91
93

Pressure (mb)

1012
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

402
403
405
406
408
408
409
409
411
413
415
414
413
412
412
412

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 19/04/24 16:48:34. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+2.00