Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 6%

07:34

00:22

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

Sun - Rise: 06:34, Set: 20:45, Transit: 13:40. Moon - Rise: 07:34, Set: 00:22. Civil Dark: 21:21 - 05:57. Nautical Dark: 22:07 - 05:12. Astro Dark: 22:59 - 04:19

Total Clouds (% Sky Obscured)

38
49
58
56
52
52
42
32
23
21
35
51
73
58
37
50
63
46
44
32
28
20
49
46

Low Clouds (% Sky Obscured)

38
49
55
56
52
52
42
32
23
21
35
51
73
58
7
10
17
28
30
32
28
20
49
46

Medium Clouds (% Sky Obscured)

0
10
0
0
0
0
0
0
0
0
12
44
45
50
37
50
63
17
17
2
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
10
10
15
15
15
37
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
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
23
11
14
3
4
10
4
3
0
0
0
3
0
0
0
0
0
0
0
1
0
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
7
7
12
13
13
14
13
13
12
11
10
8
8
7
6
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

9
11
12
14
14
14
14
14
14
13
12
11
9
8
8
7
6
5
5
5
4
4
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
62
57
56
52
50
50
50
50
51
55
60
63
69
74
74
78
82
83
85
85
85
85
79

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

412
410
410
409
409
408
407
405
403
400
399
400
403
408
413
415
416
416
417
418
419
419
420
423

Monday 20

Waxing Crescent 14%

08:27

01:44

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 OK
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:31, Set: 20:47, Transit: 13:40. Moon - Rise: 08:27, Set: 01:44. Civil Dark: 21:23 - 05:55. Nautical Dark: 22:09 - 05:09. Astro Dark: 23:02 - 04:15

Total Clouds (% Sky Obscured)

54
58
58
80
67
81
91
96
87
80
80
46
86
83
86
94
92
90
43
47
39
37
40
26

Low Clouds (% Sky Obscured)

54
58
58
39
22
10
39
34
83
43
46
41
70
49
71
72
78
82
26
30
35
34
37
22

Medium Clouds (% Sky Obscured)

0
0
0
40
27
39
41
55
36
36
37
0
56
47
49
83
86
47
23
24
1
1
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 (%)

13
16
17
11
0
0
1
2
5
18
14
13
5
5
6
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
61
52
47
47
42
42
42
45
58
68
78
84
78
79
81
81
84
90
87
86
85
85
82

Pressure (mb)

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

Ozone (du)

426
427
429
430
431
432
431
431
432
431
430
430
430
429
426
423
420
416
413
412
415
416
417
418

Tuesday 21

Waxing Crescent 23%

No Rise

02:48

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

Sun - Rise: 06:29, Set: 20:49, Transit: 13:40. Moon - Rise: No Rise, Set: 02:48. Civil Dark: 21:25 - 05:53. Nautical Dark: 22:11 - 05:06. Astro Dark: 23:05 - 04:12

Total Clouds (% Sky Obscured)

5
0
5
3
0
0
0
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

5
0
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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
3
1
4
6
13
3
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)

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

Chance of Frost

Temperature (°C)

6
7
9
10
12
13
13
14
14
14
13
12
10
8
8
7
6
6
5
4
4
4
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
71
67
64
64
66
63
64
61
62
68
69
73
78
75
76
78
79
83
86
86
86
86
78

Pressure (mb)

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

Ozone (du)

418
416
415
416
417
417
416
415
414
414
415
413
411
409
406
402
399
397
394
393
390
387
388
389

Wednesday 22

Waxing Crescent 34%

09:37

03:32

09 Good
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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:27, Set: 20:50, Transit: 13:40. Moon - Rise: 09:37, Set: 03:32. Civil Dark: 21:27 - 05:51. Nautical Dark: 22:13 - 05:04. Astro Dark: 23:08 - 04:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
24
46
70
69
67
69
68
66
62
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
46
70
69
67
69
68
66
62
58

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
0
0
0
0
0
0
3
5
8
6
3
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)

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

Chance of Frost

Temperature (°C)

7
10
12
13
14
15
16
16
16
16
15
13
11
9
8
7
6
6
6
5
5
5
5
6

Feels Like (°C)

4
6
9
10
11
12
12
13
13
13
13
12
10
7
5
5
5
4
4
4
4
3
4
6

Dew Point (°C)

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

Relative Humidity (%)

67
60
54
50
47
44
43
43
43
43
51
59
64
70
74
78
78
79
80
79
79
78
83
82

Pressure (mb)

1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1028
1027
1028

Ozone (du)

390
387
386
390
394
395
397
400
397
394
392
390
387
386
384
381
377
374
374
374
374
375
376
376

Thursday 23

Waxing Crescent 46%

11:00

04:02

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

Sun - Rise: 06:25, Set: 20:52, Transit: 13:40. Moon - Rise: 11:00, Set: 04:02. Civil Dark: 21:29 - 05:48. Nautical Dark: 22:15 - 05:01. Astro Dark: 23:10 - 04:05

Total Clouds (% Sky Obscured)

56
50
48
46
44
30
15
0
8
16
25
21
11
1
17
32
48
53
57
61
58
59
56
53

Low Clouds (% Sky Obscured)

56
50
48
46
44
30
15
0
8
16
24
4
2
0
17
32
48
53
57
61
58
59
50
47

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
0
0
0
0
17
9
0
1
1
1
1
2
2
3
2
1
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
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)

7
7
7
8
10
10
11
12
13
13
12
11
9
8
7
6
6
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

9
11
13
14
15
16
16
16
15
14
13
11
10
8
7
6
6
5
5
5
5
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
61
50
44
40
39
40
43
47
51
60
67
76
84
91
93
94
94
94
94
93
90
88
85

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

376
376
374
375
377
378
379
379
380
381
381
382
387
391
396
398
399
401
399
397
395
394
393
393

Friday 24

First Quarter 58%

12:26

04:22

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

Sun - Rise: 06:23, Set: 20:54, Transit: 13:39. Moon - Rise: 12:26, Set: 04:22. Civil Dark: 21:31 - 05:46. Nautical Dark: 22:18 - 04:59. Astro Dark: 23:13 - 04:02

Total Clouds (% Sky Obscured)

44
42
51
56
61
52
46
42
45
46
49
39
39
39
27
17
15
17
20
24
28
35
39
27

Low Clouds (% Sky Obscured)

41
38
26
13
2
9
19
28
38
45
44
34
39
35
27
17
12
11
8
5
3
2
0
1

Medium Clouds (% Sky Obscured)

0
0
9
21
31
24
14
8
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
7
28
51
61
49
28
3
2
1
0
0
0
0
0
1
1
3
3
4
13
19
27
25

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
1
2
1
2
2
0
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
67
59
58
55
53
57
61
64
64
63
63
63
61
61
67
71
76
78
80
82
80
79
76

Pressure (mb)

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

Ozone (du)

389
384
380
377
374
371
375
379
383
383
382
381
379
377
375
374
373
372
372
372
372
372
373
374

Saturday 25

Waxing Gibbous 68%

13:50

04:37

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 OK

Sun - Rise: 06:21, Set: 20:55, Transit: 13:39. Moon - Rise: 13:50, Set: 04:37. Civil Dark: 21:32 - 05:44. Nautical Dark: 22:20 - 04:56. Astro Dark: 23:16 - 03:59

Total Clouds (% Sky Obscured)

22
18
14
12
10
8
4
1
3
5
7
8
5
2
10
18
23

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

22
18
14
12
8
7
4
1
3
5
6
5
5
2
4
5
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
65
62
59
56
58
60
62
64
68
72
74
77
79
75
71

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

373
373
373
374
375
376
377
378
379
377
376
374
375
376
377
378
379

Forecast for Oudenbosch, Gemeente Halderberge, Netherlands (51.58,4.53)

Generated: 19/04/26 08:44:30. Forecast: 19/04/26 to 25/04/26. Timezone: UTC+2.00