Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 2%

06:35

21:15

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
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
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:38, Set: 20:42, Transit: 13:41. Moon - Rise: 06:35, Set: 21:15. Civil Dark: 21:18 - 06:02. Nautical Dark: 22:02 - 05:17. Astro Dark: 22:53 - 04:25

Total Clouds (% Sky Obscured)

86
74
62
69
40
34
49
86
90
93
98
99
99
98
96
97
100
100
100
99
90
91
91
75

Low Clouds (% Sky Obscured)

5
20
32
0
0
0
8
28
52
76
74
74
69
58
55
50
71
61
77
72
80
84
91
74

Medium Clouds (% Sky Obscured)

28
20
28
69
24
17
25
48
65
86
96
92
99
98
95
94
100
61
38
39
38
35
58
50

High Clouds (% Sky Obscured)

29
1
0
0
1
1
0
1
1
8
36
18
13
15
11
21
86
23
100
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
5
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
6
5
9
7
9
42
68
82
66
63
33
7
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.5
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
14
12
12
12
11
10
10
10
11
11
11
11
12
13
14
14
13
14
13
13
13
13

Feels Like (°C)

16
14
12
11
10
10
9
8
8
9
10
9
9
10
10
11
12
12
12
12
10
10
9
10

Dew Point (°C)

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

Relative Humidity (%)

64
70
75
75
70
67
66
67
67
69
71
75
77
76
76
66
68
78
74
69
78
79
63
54

Pressure (mb)

1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

362
362
363
364
363
363
361
362
360
357
360
360
361
365
367
367
367
372
378
384
382
380
381
381

Saturday 18

Waxing Crescent 6%

06:59

22:49

19 Bad
20 Bad
21 Bad
22 Bad
23 Good
00 OK
01 OK
02 Bad
03 OK
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

Sun - Rise: 06:36, Set: 20:44, Transit: 13:40. Moon - Rise: 06:59, Set: 22:49. Civil Dark: 21:19 - 06:00. Nautical Dark: 22:05 - 05:14. Astro Dark: 22:56 - 04:22

Total Clouds (% Sky Obscured)

95
95
91
83
0
22
10
42
48
56
78
63
76
51
75
79
73
79
82
60
60
55
75
54

Low Clouds (% Sky Obscured)

35
0
0
0
0
7
0
10
31
41
58
54
70
43
57
71
61
60
82
58
58
53
62
54

Medium Clouds (% Sky Obscured)

64
45
51
36
0
9
5
19
16
18
25
23
22
15
34
29
26
33
0
0
0
0
32
0

High Clouds (% Sky Obscured)

85
85
85
62
0
9
1
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
5
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
22
17
11
6
3
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
5
2
1
0
0
0
0
0
1
11
26
30
34
75
90
53
46
36
10
9
19
8
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
5
4
4
4
3
3
3
3
3
4
3
4
6
8
10
9
10
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
71
80
85
88
88
88
88
81
73
71
79
87
82
77
70
63
54
48
48
49
53
55
54

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

380
380
380
382
386
391
397
405
411
415
415
417
416
415
416
417
417
416
416
417
415
415
412
411

Sunday 19

Waxing Crescent 14%

07:34

00:22

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

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)

56
55
58
51
53
28
41
53
63
64
62
71
53
12
41
47
39
80
89
82
73
66
74
71

Low Clouds (% Sky Obscured)

56
55
58
51
48
10
0
12
48
50
44
57
44
12
41
47
39
80
59
52
45
38
47
56

Medium Clouds (% Sky Obscured)

0
3
0
0
5
15
31
32
20
28
28
19
12
0
0
0
0
0
37
32
26
21
28
35

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
0
0
0
0
0
0
0
0
0
0
0
0
16
4
0
0
1
1
7
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
3
4
4
4
4
4
4
3
3
3
2
2
2
2
2
2
2
2
4
4
4
3

Relative Humidity (%)

56
61
67
73
79
84
88
88
90
89
88
88
88
80
70
63
57
51
49
50
55
57
56
53

Pressure (mb)

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

Ozone (du)

410
406
403
404
404
405
406
407
409
410
411
411
412
411
411
411
411
411
410
409
409
409
410
412

Monday 20

Waxing Crescent 23%

08:27

01:44

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 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 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)

78
92
84
77
79
79
80
77
70
62
56
50
46
40
35
31
49
67
85
78
71
70
56
42

Low Clouds (% Sky Obscured)

66
44
22
0
27
53
80
66
53
39
41
44
46
30
15
0
16
32
48
40
32
25
16
8

Medium Clouds (% Sky Obscured)

42
35
32
30
30
30
29
26
23
22
17
9
0
6
12
18
32
43
55
62
59
56
42
30

High Clouds (% Sky Obscured)

0
1
1
2
2
1
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 (%)

18
16
5
3
4
3
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)

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

Chance of Frost

Temperature (°C)

11
10
9
9
8
7
6
6
6
5
5
5
4
5
6
8
10
11
12
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
66
67
77
78
84
93
91
93
93
91
93
94
86
72
62
55
50
46
40
35
35
37
42

Pressure (mb)

1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023

Ozone (du)

414
415
415
416
417
417
417
414
411
408
407
405
403
403
405
407
405
401
400
400
400
399
397
392

Tuesday 21

Waxing Crescent 34%

09:37

02:48

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

Sun - Rise: 06:29, Set: 20:49, Transit: 13:40. Moon - Rise: 09:37, 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)

28
20
11
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
6

Medium Clouds (% Sky Obscured)

17
10
4
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
1
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
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
9
9
11
10
9
9
8
8
8
7
7
7
7
7
8
8
9
9
10
10
10
10
9

Chance of Frost

Temperature (°C)

13
12
9
8
7
6
5
5
4
4
4
3
4
5
7
9
12
13
14
15
16
16
16
15

Feels Like (°C)

10
10
7
5
4
4
3
3
2
2
2
2
2
4
4
5
6
7
8
9
15
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

48
57
64
64
64
70
74
76
73
73
77
82
85
80
73
67
61
57
54
51
48
46
44
49

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1026
1026
1025
1025
1025
1024
1024
1023
1023

Ozone (du)

388
387
391
395
398
398
393
390
389
390
389
389
393
401
402
402
403
402
402
401
400
399
399
400

Wednesday 22

Waxing Crescent 31%

11:00

03:32

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

Sun - Rise: 06:27, Set: 20:50, Transit: 13:40. Moon - Rise: 11:00, 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)

11
17
31
40
33
29
23
18
11
4
9
17
24
21
13
6
10
16
20
28
35
40
40
39

Low Clouds (% Sky Obscured)

8
17
30
40
33
29
22
16
11
3
8
15
24
20
9
0
0
0
0
5
11
15
15
16

Medium Clouds (% Sky Obscured)

0
1
1
2
1
0
0
0
0
0
0
0
0
0
0
0
5
10
17
21
24
25
18
16

High Clouds (% Sky Obscured)

2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
1
3
4
6
4
2
1
2
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 (%)

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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
10
9
7
7
6
6
6
6
7
9
11
13
14
15
15
15
15
15
14

Feels Like (°C)

14
15
11
11
10
10
9
9
4
4
5
4
4
4
6
8
9
10
11
12
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

54
60
62
65
66
72
77
82
82
81
80
78
76
74
68
63
58
56
55
54
56
58
59
63

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022

Ozone (du)

402
403
401
398
396
396
397
398
394
391
387
385
382
380
378
377
375
376
376
376
375
374
372
371

Thursday 23

Waxing Crescent 46%

12:26

04:02

19 OK
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 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:25, Set: 20:52, Transit: 13:39. Moon - Rise: 12:26, 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)

39
50
62
73
72
74
75
76
76
77
80
85
89
74
57
35
57
69
80

Low Clouds (% Sky Obscured)

12
24
37
52
38
31
25
30
30
30
39
52
62
43
22
5
19
36
47

Medium Clouds (% Sky Obscured)

13
12
12
12
17
28
35
24
11
3
2
1
0
0
0
0
4
8
12

High Clouds (% Sky Obscured)

2
2
2
1
3
5
6
12
15
20
16
14
13
12
9
4
18
29
40

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
2
1
4
4
2
6
6
2
7
9
9
8
6
1
2
2
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
7
6
6
6
5
5
4
5
5
5
5
5
6
7
7
8
9

Dew Point (°C)

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

Relative Humidity (%)

69
73
72
71
69
69
69
69
69
69
69
69
70
73
69
67
65
65
64

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

370
368
367
365
363
364
364
364
364
364
364
364
363
363
363
364
364
365
366

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

Generated: 17/04/26 19:06:54. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00