Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

23:16

06:58

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:21, Set: 20:58, Transit: 13:40. Moon - Rise: 23:16, Set: 06:58. Civil Dark: 21:35 - 05:43. Nautical Dark: 22:23 - 04:54. Astro Dark: 23:21 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
100
99
100
100
100
100
99
96
95
95
100
100
100
100
99
94
95
96

Low Clouds (% Sky Obscured)

80
71
44
53
32
7
49
46
89
100
75
71
73
80
64
63
59
87
95
88
86
79
78
85

Medium Clouds (% Sky Obscured)

84
92
98
98
95
93
98
94
100
100
100
100
97
87
86
87
100
100
100
100
62
54
91
91

High Clouds (% Sky Obscured)

100
94
93
91
89
18
88
93
86
0
55
57
53
53
6
6
6
9
47
55
36
45
51
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
7
9
5
8
9
9
5
5
6
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
22
11
19
10
42
58
95
94
88
78
61
56
59
67
65
77
73
57
44
39
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.7
0.5
0.6
0.5
0.3
0
0.2
0.4
0.4
0.6
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

9
9
11
13
13
14
14
14
13
17
16
15
14
12
9
7
5
5
5
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
70
68
59
54
53
50
54
59
64
75
71
78
84
82
87
88
93
90
91
91
91
90
90

Pressure (mb)

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

Ozone (du)

423
423
422
422
422
422
423
425
428
430
431
431
430
429
426
425
426
426
423
423
424
425
428
429

Friday 26

Waning Gibbous 91%

00:34

07:28

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:19, Set: 20:59, Transit: 13:40. Moon - Rise: 00:34, Set: 07:28. Civil Dark: 21:37 - 05:41. Nautical Dark: 22:26 - 04:52. Astro Dark: 23:25 - 03:52

Total Clouds (% Sky Obscured)

99
97
98
100
99
100
100
100
98
98
95
96
91
100
100
100
99
99
100
100
96
100
100
100

Low Clouds (% Sky Obscured)

83
89
91
89
84
86
88
82
85
73
73
85
67
52
49
61
42
57
64
34
43
44
65
55

Medium Clouds (% Sky Obscured)

97
72
58
61
71
95
69
76
51
76
88
78
33
100
99
65
96
67
98
100
88
100
100
80

High Clouds (% Sky Obscured)

70
74
6
3
29
72
60
72
77
83
42
12
3
39
100
39
3
65
97
65
65
81
100
100

ISS Passover

Visibility (miles)

8
6
6
6
8
9
9
9
9
9
9
4
6
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

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

Precipitation Probability (%)

57
59
58
56
53
59
51
44
40
30
57
60
25
3
3
9
13
11
7
12
12
31
75
53

Precipitation Amount (mm)

0.3
0.3
0.4
0.3
0.2
0.3
0.2
0
0
0
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
7
7
7
7
7
6
6
8
8
8
8
8
8
8
7
7
7
7
7
7

Relative Humidity (%)

90
91
93
93
93
91
90
88
85
76
73
84
90
93
93
95
93
93
93
93
93
93
93
91

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1004
1004
1004
1004
1004
1003
1004

Ozone (du)

429
428
426
424
424
422
423
423
422
427
431
436
439
440
442
442
437
434
434
433
431
431
433
436

Saturday 27

Waning Gibbous 83%

01:46

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:17, Set: 21:01, Transit: 13:40. Moon - Rise: 01:46, Set: No Set. Civil Dark: 21:39 - 05:38. Nautical Dark: 22:28 - 04:49. Astro Dark: 23:28 - 03:48

Total Clouds (% Sky Obscured)

100
96
95
90
88
87
100
100
100
97
95
100
100
100
96
95
97
94
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

73
81
90
82
50
42
80
52
69
88
66
71
58
62
73
72
55
73
70
65
57
45
55
55

Medium Clouds (% Sky Obscured)

64
30
2
2
67
74
67
67
53
90
63
99
96
85
58
55
62
85
89
85
87
95
91
88

High Clouds (% Sky Obscured)

100
91
10
11
32
9
100
91
73
44
48
48
100
99
53
67
91
62
75
83
98
99
81
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
5
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
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

16
8
17
10
7
21
15
46
56
81
84
74
73
46
5
2
7
50
54
41
6
4
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.6
0.3
0.4
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
10
10
11
11
10
8
5
8
9
10
9
11
10
11
11
10
12
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
90
88
73
61
60
58
62
61
69
74
81
81
80
76
72
84
88
87
84
84
84

Pressure (mb)

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

Ozone (du)

439
441
441
440
439
439
436
433
429
429
430
429
429
427
424
421
420
420
416
418
421
426
427
426

Sunday 28

Waning Gibbous 74%

02:45

08:11

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

Sun - Rise: 06:15, Set: 21:03, Transit: 13:40. Moon - Rise: 02:45, Set: 08:11. Civil Dark: 21:41 - 05:36. Nautical Dark: 22:30 - 04:46. Astro Dark: 23:31 - 03:45

Total Clouds (% Sky Obscured)

98
96
78
85
43
35
45
60
69
65
55
41
26
11
2
15
27
74
78
75
72
66
61
61

Low Clouds (% Sky Obscured)

46
56
76
78
44
35
50
67
81
72
62
48
32
16
0
19
35
51
44
38
41
48
46
40

Medium Clouds (% Sky Obscured)

77
67
23
15
9
0
8
13
19
12
8
4
2
0
0
0
0
0
1
1
2
1
1
0

High Clouds (% Sky Obscured)

73
23
0
0
0
0
0
0
2
0
2
0
1
0
2
2
4
46
45
50
45
6
5
4

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

Precipitation Probability (%)

2
2
13
6
6
4
29
45
61
54
37
13
22
19
3
2
3
4
18
24
27
24
17
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
19
20
20
21
22
21
21
22
20
17
15
13
13
13
13
13
12
12
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
72
67
62
52
50
46
46
54
55
60
65
71
71
68
69
71
72
76
77
80
80
82

Pressure (mb)

1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009
1010
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016

Ozone (du)

428
437
440
438
436
435
433
436
435
433
423
425
422
421
419
417
414
412
410
410
409
410
411
410

Monday 29

Waning Gibbous 64%

03:29

09:12

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

Sun - Rise: 06:13, Set: 21:04, Transit: 13:40. Moon - Rise: 03:29, Set: 09:12. Civil Dark: 21:43 - 05:34. Nautical Dark: 22:33 - 04:44. Astro Dark: 23:35 - 03:41

Total Clouds (% Sky Obscured)

60
62
70
63
71
73
75
77
79
79
76
73
55
45
40
37
43
46
64
83
100
99
98
97

Low Clouds (% Sky Obscured)

43
46
49
42
38
33
34
38
42
18
9
2
2
1
0
10
20
30
24
17
15
19
21
19

Medium Clouds (% Sky Obscured)

10
32
12
2
0
2
55
58
18
13
54
36
35
44
55
51
46
42
48
61
70
72
72
71

High Clouds (% Sky Obscured)

3
1
2
28
40
45
40
50
60
61
72
64
60
65
80
85
70
65
76
95
100
86
71
56

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
18
8
7
15
6
12
5
0
0
0
0
0
0
0
0
0
0
1
2
2
6
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
8
9
10
11
11
12
13
13
13
13
13
11
11
10
10
9
9
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
75
68
67
66
66
68
68
66
66
71
71
71
72
74
77
78
78
77
78
78
81

Pressure (mb)

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

Ozone (du)

408
405
406
405
404
408
408
409
412
414
414
408
404
402
400
398
394
391
388
387
387
386
386
385

Tuesday 30

Waning Gibbous 53%

03:59

10:29

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:11, Set: 21:06, Transit: 13:39. Moon - Rise: 03:59, Set: 10:29. Civil Dark: 21:45 - 05:32. Nautical Dark: 22:35 - 04:41. Astro Dark: 23:38 - 03:37

Total Clouds (% Sky Obscured)

96
96
94
87
80
74
69
62
54
59
67
77
80
87
90
89
88
87
90
94
98
98
99
98

Low Clouds (% Sky Obscured)

21
23
25
25
23
24
19
15
9
7
7
7
25
46
69
59
46
27
28
26
27
34
42
56

Medium Clouds (% Sky Obscured)

79
86
88
78
68
57
49
41
32
43
56
67
70
68
70
64
58
49
49
49
49
43
38
32

High Clouds (% Sky Obscured)

50
43
37
32
26
18
22
24
23
31
44
60
71
80
90
79
68
58
70
82
94
85
73
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
2
3
4
5
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
5
5
14
14
12
19
25
28
53
69
83
87
86
81
71
58
42
40
36
23
24
21
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.6
0.5
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
13
14
16
18
20
20
21
22
20
19
18
17
16
15
14
14
13
13
13
12
13
12

Feels Like (°C)

8
9
9
10
9
9
9
20
20
20
20
21
22
16
16
16
15
15
15
12
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

83
83
81
82
75
68
63
61
59
56
65
73
85
89
92
93
95
96
96
95
95
93
93
93

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

385
385
386
386
387
387
387
386
384
383
382
381
381
381
380
380
380
380
380
380
380
379
379
379

Wednesday 1

Third Quarter 51%

04:21

11:55

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

Sun - Rise: 06:09, Set: 21:08, Transit: 13:39. Moon - Rise: 04:21, Set: 11:55. Civil Dark: 21:47 - 05:30. Nautical Dark: 22:37 - 04:39. Astro Dark: 23:41 - 03:33

Total Clouds (% Sky Obscured)

98
97
97
96
95
92
89
93
97
98
99
100
99
97
94
95
96
98

Low Clouds (% Sky Obscured)

49
44
36
39
42
41
37
41
45
48
51
54
46
37
28
36
45
50

Medium Clouds (% Sky Obscured)

23
14
5
3
3
2
16
32
47
45
41
35
45
55
61
57
51
48

High Clouds (% Sky Obscured)

71
79
90
90
88
86
92
94
97
98
99
100
90
80
71
79
86
93

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
None
None
None
None
None
None
None

Precipitation Probability (%)

17
14
0
2
2
1
2
1
0
1
1
1
3
4
3
6
6
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
10
10
10
10
10
10
10
9
9
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
87
86
82
81
77
78
81
82
83
87
89
89
89
89
89
89

Pressure (mb)

1011
1011
1011
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

379
379
379
379
378
377
376
375
375
375
375
374
374
374
374
375
374
374

Forecast for De Hoek, Nissewaard, Netherlands (51.86,4.30)

Generated: 25/04/24 08:24:33. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+2.00