Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 6%

06:54

00:27

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

Sun - Rise: 06:33, Set: 20:47, Transit: 13:40. Moon - Rise: 06:54, Set: 00:27. Civil Dark: 21:24 - 05:56. Nautical Dark: 22:10 - 05:10. Astro Dark: 23:05 - 04:16

Total Clouds (% Sky Obscured)

62
59
35
25
50
44
50
59
55
43
54
36
42
49
68
74
86
100
100
88
94
89
82
84

Low Clouds (% Sky Obscured)

35
27
0
25
50
44
50
59
53
43
54
36
41
32
48
47
51
47
42
47
57
49
28
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
0
1
1
0
0
1
10
12
20
26
40
40
45
61
85
82
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
10
10
30
18
4
19
20
25
0

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 (%)

0
0
20
19
5
9
19
20
26
19
15
9
5
0
0
0
0
0
0
0
0
0
1
1

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)

5
5
5
8
9
10
12
14
15
15
15
15
15
15
15
14
13
11
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
91
85
76
72
73
71
68
65
60
57
58
61
64
72
78
81
82
82
82
82

Pressure (mb)

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

Ozone (du)

417
417
417
418
418
419
418
418
420
420
417
413
412
410
409
410
412
416
418
420
423
424
425
427

Monday 20

Waxing Crescent 14%

07:28

01:50

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

Sun - Rise: 06:31, Set: 20:49, Transit: 13:40. Moon - Rise: 07:28, Set: 01:50. Civil Dark: 21:26 - 05:54. Nautical Dark: 22:13 - 05:07. Astro Dark: 23:08 - 04:12

Total Clouds (% Sky Obscured)

68
50
61
37
36
41
35
47
64
35
18
83
46
72
86
94
95
85
84
62
81
66
68
77

Low Clouds (% Sky Obscured)

29
50
55
37
36
41
35
45
28
25
0
60
12
32
46
66
91
64
49
43
53
58
60
67

Medium Clouds (% Sky Obscured)

68
3
20
4
0
0
0
20
27
13
18
38
20
71
83
90
86
83
67
40
42
28
28
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
5
4
1
5
0
0
1
2

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
11
17
7
5
3
9
27
21
8
18
14
15
5
16
9
10
11
3
1
0
1
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)

7
8
8
8
8
8
11
12
13
13
13
14
14
14
12
13
11
12
12
11
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
80
80
76
69
67
67
62
61
62
66
74
77
69
71
74
74
74
74
74
71
72

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025

Ozone (du)

427
429
430
432
433
432
428
425
420
414
410
406
403
402
401
402
404
407
408
409
408
408
407
407

Tuesday 21

Waxing Crescent 23%

08:20

02:54

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

Sun - Rise: 06:29, Set: 20:50, Transit: 13:40. Moon - Rise: 08:20, Set: 02:54. Civil Dark: 21:28 - 05:52. Nautical Dark: 22:15 - 05:04. Astro Dark: 23:11 - 04:09

Total Clouds (% Sky Obscured)

85
89
74
82
79
52
23
0
0
0
1
1
2
1
2
2
2
1
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

62
55
51
39
33
10
23
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

49
58
54
48
46
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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)

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 (%)

0
1
1
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
6
8
9
10
12
12
13
13
13
14
13
11
10
9
8
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
73
72
72
71
66
64
60
56
52
49
47
46
45
48
55
63
69
72
73
74
76
78

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029

Ozone (du)

410
413
414
413
411
411
411
411
412
409
404
400
397
396
394
390
388
389
388
391
395
397
396
394

Wednesday 22

Waxing Crescent 34%

09:30

02:54

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

Sun - Rise: 06:27, Set: 20:52, Transit: 13:39. Moon - Rise: 09:30, Set: 02:54. Civil Dark: 21:29 - 05:50. Nautical Dark: 22:17 - 05:02. Astro Dark: 23:14 - 04:05

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
13
20
3
15
26
23
16
8
1
23
45
64
64
64
67
77

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
15
22
15
7
0
23
45
64
64
64
67
77

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
3
3
3
4
6
8
9
9
10
12
11
10
11
11
9
9
7
6
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

81
82
83
83
82
76
64
56
53
50
48
46
45
45
47
53
64
78
88
90
91
91
91
90

Pressure (mb)

1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

391
388
389
390
392
392
390
388
388
387
386
386
385
382
380
379
379
380
378
379
380
380
381
382

Thursday 23

Waxing Crescent 46%

10:54

03:37

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:25, Set: 20:54, Transit: 13:39. Moon - Rise: 10:54, Set: 03:37. Civil Dark: 21:31 - 05:47. Nautical Dark: 22:19 - 04:59. Astro Dark: 23:17 - 04:02

Total Clouds (% Sky Obscured)

80
82
80
85
81
78
90
88
83
77
72
64
56
49
54
60
65
62
59
57
64
67
68
66

Low Clouds (% Sky Obscured)

80
82
80
85
81
78
90
88
83
77
70
61
53
45
51
57
63
61
59
57
64
67
68
66

Medium 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

High Clouds (% Sky Obscured)

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

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 (%)

0
0
0
0
0
0
3
13
14
13
13
14
13
10
13
15
17
16
14
8
8
6
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
6
5
5
5
5
5
6
6
6
6
6
5
5
5
5
5
6
6
6

Relative Humidity (%)

88
87
85
85
85
84
78
76
77
74
72
71
71
72
72
73
73
74
79
85
90
91
93
93

Pressure (mb)

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

Ozone (du)

382
381
382
383
383
386
386
383
380
377
376
375
375
375
376
375
375
375
376
378
379
377
376
374

Friday 24

First Quarter 58%

12:22

04:05

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

Sun - Rise: 06:23, Set: 20:55, Transit: 13:39. Moon - Rise: 12:22, Set: 04:05. Civil Dark: 21:33 - 05:45. Nautical Dark: 22:22 - 04:56. Astro Dark: 23:20 - 03:58

Total Clouds (% Sky Obscured)

70
74
77
80
82
81
80
80
71
64
56
40
28
15
20
20
25
25
25
35
31
27
29
28

Low Clouds (% Sky Obscured)

70
74
77
79
81
78
77
75
67
59
50
37
28
15
20
20
25
25
25
25
13
11
10
9

Medium 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

High Clouds (% Sky Obscured)

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

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 (%)

3
2
8
10
12
12
13
13
13
12
12
12
12
12
14
16
17
17
18
18
16
14
9
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
85
81
75
74
71
69
69
69
68
70
71
72
76
78
81
80
79
79
82
84
85

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1018

Ozone (du)

375
375
376
381
387
392
395
397
400
399
398
398
398
399
399
402
404
407
408
410
412
409
406
403

Saturday 25

Waxing Gibbous 68%

13:47

04:25

Sun - Rise: 06:21, Set: 20:57, Transit: 13:39. Moon - Rise: 13:47, Set: 04:25. Civil Dark: 21:35 - 05:43. Nautical Dark: 22:24 - 04:54. Astro Dark: 23:23 - 03:54

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 19/04/26 03:09:03. Forecast: 19/04/26 to 25/04/26. Timezone: UTC+2.00