Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waning Gibbous 53%

03:57

10:37

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:16, Set: 21:06, Transit: 13:42. Moon - Rise: 03:57, Set: 10:37. Civil Dark: 21:44 - 05:38. Nautical Dark: 22:32 - 04:49. Astro Dark: 23:32 - 03:48

Total Clouds (% Sky Obscured)

88
84
94
100
92
98
100
100
100
100
99
99
97
91
91
91
96
92
99
100
100
100
99
99

Low Clouds (% Sky Obscured)

17
61
78
69
44
84
73
35
43
30
52
64
38
20
20
20
25
15
47
55
53
63
57
41

Medium Clouds (% Sky Obscured)

20
38
50
86
89
76
53
46
100
100
97
89
92
91
91
91
96
81
93
95
98
98
49
39

High Clouds (% Sky Obscured)

68
64
70
90
65
25
100
100
97
27
22
93
93
89
17
56
88
78
96
100
100
99
48
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
4
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
15
19
3
6
26
45
41
26
29
47
37
44
37
12
8
6
40
46
18
14
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
16
16
17
17
18
19
20
18
18
17
17
16
15
15
14
14
13
13
13
13
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
79
64
62
73
59
56
58
71
74
74
75
77
80
87
90
92
92
92
93
95
95
93

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1013
1012
1012
1011
1011
1011
1012
1012
1012
1012
1011
1010
1010
1010
1009
1009
1009

Ozone (du)

416
418
418
419
420
422
415
406
401
400
398
395
395
392
391
390
389
392
392
390
388
390
387
385

Wednesday 1

Third Quarter 41%

04:20

12:02

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
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

Sun - Rise: 06:14, Set: 21:07, Transit: 13:42. Moon - Rise: 04:20, Set: 12:02. Civil Dark: 21:45 - 05:36. Nautical Dark: 22:34 - 04:46. Astro Dark: 23:35 - 03:45

Total Clouds (% Sky Obscured)

99
100
81
76
72
69
100
84
54
40
57
46
80
100
97
100
100
76
77
71
85
79
60
71

Low Clouds (% Sky Obscured)

42
53
61
54
50
53
55
42
41
31
43
20
25
25
31
48
31
32
32
14
23
40
40
47

Medium Clouds (% Sky Obscured)

29
58
13
0
2
0
0
25
45
36
9
45
45
40
45
45
23
27
70
71
79
68
35
42

High Clouds (% Sky Obscured)

99
100
80
85
79
79
100
84
61
55
55
55
77
100
97
100
100
80
80
76
75
65
60
65

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
1
1
8
100
23
0

Precipitation Type

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

Precipitation Probability (%)

5
6
4
3
2
0
0
0
0
2
9
17
62
84
89
43
15
27
60
44
73
38
10
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.7
0
0
0
0.2
0
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
17
18
19
19
19
19
19
18
17
15
14
13
12
12
12
12
12
12
12
12
12
13

Feels Like (°C)

14
15
16
17
18
17
17
17
17
17
15
14
12
11
12
12
10
11
11
12
12
12
12
13

Dew Point (°C)

13
14
14
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13

Relative Humidity (%)

93
92
82
72
67
67
69
70
69
71
75
82
87
95
96
98
98
100
100
98
98
100
100
98

Pressure (mb)

1008
1008
1008
1008
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1002
1002
1001
1000
999
999
999
998
998
998

Ozone (du)

387
387
389
387
386
386
387
385
382
379
376
373
370
369
370
371
374
377
378
378
379
380
380
382

Thursday 2

Waning Crescent 40%

04:37

13:30

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:12, Set: 21:09, Transit: 13:42. Moon - Rise: 04:37, Set: 13:30. Civil Dark: 21:47 - 05:34. Nautical Dark: 22:37 - 04:44. Astro Dark: 23:38 - 03:41

Total Clouds (% Sky Obscured)

87
97
90
74
98
85
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
91
52
66
69
65
71
73
75
76
63
81
93
91
86
85
93
95
98
100
100
100
98
100

Medium Clouds (% Sky Obscured)

4
2
2
2
2
2
45
59
76
87
77
94
82
86
96
90
51
56
60
63
63
65
66
64

High Clouds (% Sky Obscured)

49
19
15
1
25
35
12
30
60
100
100
100
100
100
100
91
100
100
100
100
89
78
64
64

ISS Passover

Visibility (miles)

0
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
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

4
4
6
5
17
10
12
93
95
80
31
42
36
68
61
18
12
27
36
41
50
56
56
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
2
0.3
0
0
0
0.3
0.3
0
0
0
0
0
0
0.3
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
90
87
82
86
82
83
85
86
87
89
89
90
92
92
90
90
87
86
84
84
84
84
81

Pressure (mb)

999
999
999
999
999
1000
1000
1000
1001
1001
1002
1002
1003
1004
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008

Ozone (du)

383
382
382
381
381
380
379
380
380
379
379
378
379
378
380
379
379
378
377
375
376
376
377
378

Friday 3

Waning Crescent 30%

04:52

14:58

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:10, Set: 21:11, Transit: 13:41. Moon - Rise: 04:52, Set: 14:58. Civil Dark: 21:49 - 05:32. Nautical Dark: 22:39 - 04:42. Astro Dark: 23:42 - 03:38

Total Clouds (% Sky Obscured)

100
100
100
92
96
89
95
82
85
93
77
67
62
46
40
26
22
24
32
34
48
80
98
98

Low Clouds (% Sky Obscured)

100
100
99
92
91
89
88
77
69
85
90
86
76
67
63
63
62
62
59
56
58
63
65
64

Medium Clouds (% Sky Obscured)

58
53
52
54
45
48
47
45
45
40
33
27
23
17
17
15
14
10
6
3
11
50
75
80

High Clouds (% Sky Obscured)

53
61
54
44
66
51
75
57
54
53
13
26
36
43
21
8
3
7
14
13
16
26
27
35

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 (%)

42
33
28
24
17
21
21
21
17
12
7
6
2
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)

13
14
14
14
14
14
14
14
13
13
12
10
8
7
6
6
7
7
7
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
73
64
56
48
45
43
43
44
47
52
59
67
72
75
77
78
81
84
84
84
84
84
78

Pressure (mb)

1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

378
377
377
377
377
379
380
378
378
378
378
376
375
375
377
379
379
380
381
382
382
383
385
387

Saturday 4

Waning Crescent 19%

05:05

16:25

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:09, Set: 21:12, Transit: 13:41. Moon - Rise: 05:05, Set: 16:25. Civil Dark: 21:51 - 05:30. Nautical Dark: 22:41 - 04:39. Astro Dark: 23:45 - 03:34

Total Clouds (% Sky Obscured)

98
98
90
76
38
55
85
92
78
69
61
74
60
41
49
56
72
84
94
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
61
56
48
43
50
49
47
63
51
35
51
29
10
5
5
0
7
14
25
43
58
73
74

Medium Clouds (% Sky Obscured)

84
89
74
53
2
12
60
71
65
59
52
72
70
70
63
57
51
50
48
47
47
54
57
65

High Clouds (% Sky Obscured)

40
92
75
15
0
11
58
54
10
14
50
70
80
80
86
81
85
80
73
67
52
39
29
21

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
5
27
44
61
66
57
64
74
63
58
60
62
93
95
95
95
95
70
86
94
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.2
0.3
0.4
0.2
0
0
0
0.8
1.5
3.6
1.3
0.6
0
0.3
0.3
0.5
0.7

Wind Speed/Direction (mph)

8
8
9
9
8
8
9
9
8
7
6
6
5
6
8
8
8
8
7
7
9
12
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
69
65
59
51
52
54
58
60
62
68
79
82
86
90
93
95
96
96
95
93
95
95
96

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

390
394
400
406
411
396
387
384
384
385
384
385
386
387
387
388
389
390
403
417
430
432
433
435

Sunday 5

Waning Crescent 11%

05:18

17:53

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:07, Set: 21:14, Transit: 13:41. Moon - Rise: 05:18, Set: 17:53. Civil Dark: 21:53 - 05:28. Nautical Dark: 22:43 - 04:37. Astro Dark: 23:49 - 03:30

Total Clouds (% Sky Obscured)

99
99
100
100
100
99
98
97
88
79
72
73
80
82
79
76
71
69
61
61
72
85
99
93

Low Clouds (% Sky Obscured)

76
75
85
93
99
92
86
80
77
71
65
55
45
36
33
31
40
51
56
62
68
69
71
64

Medium Clouds (% Sky Obscured)

69
69
66
63
60
47
40
34
31
29
30
29
27
30
36
43
45
40
34
28
19
9
0
4

High Clouds (% Sky Obscured)

12
0
0
0
0
9
16
15
16
12
13
36
51
70
67
60
57
56
52
51
59
69
74
74

ISS Passover

Visibility (miles)

4
7
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

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

Precipitation Probability (%)

95
90
76
58
34
35
33
30
29
29
26
34
45
55
49
43
35
48
54
56
45
29
7
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
12
12
12
12
12
12
12
13
11
10
8
7
6
6
5
5
5
4
5
6
6
6
7

Chance of Frost

Temperature (°C)

11
11
11
12
13
13
14
14
15
15
14
13
13
12
11
11
10
10
10
10
10
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
89
87
87
83
80
75
78
78
78
83
86
90
90
90
90
90
90
88
85
83
80

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013

Ozone (du)

432
429
426
421
416
411
408
406
403
402
401
401
400
399
398
394
391
388
385
383
380
380
379
379

Monday 6

Waning Crescent 4%

05:34

19:22

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

Sun - Rise: 06:05, Set: 21:15, Transit: 13:41. Moon - Rise: 05:34, Set: 19:22. Civil Dark: 21:54 - 05:26. Nautical Dark: 22:46 - 04:34. Astro Dark: 23:52 - 03:27

Total Clouds (% Sky Obscured)

88
82
85
88
91
92
91
90
93
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
48
55
58
62
56
48
43
45
46
45
46
45
40
48
53
61

Medium Clouds (% Sky Obscured)

7
15
21
24
30
30
25
21
20
19
18
40
59
78
85
92
99

High Clouds (% Sky Obscured)

74
73
81
85
89
86
83
81
87
94
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

28
27
25
21
12
24
26
25
20
14
7
10
10
11
24
35
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
14
15
16
17
18
18
18
19
18
18
17
16
16
15
15
14

Feels Like (°C)

10
10
10
10
10
11
17
16
16
16
17
17
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

72
64
58
56
53
51
50
49
48
52
56
61
64
67
69
74
78

Pressure (mb)

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

Ozone (du)

379
379
379
379
379
378
378
377
377
375
374
373
372
371
370
370
370

Forecast for Ghent, East Flanders, Kingdom of Belgium (51.05,3.72)

Generated: 30/04/24 09:12:32. Forecast: 30/04/24 to 06/05/24. Timezone: UTC+2.00