Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:27

05:00

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
09 Bad
10 Bad

Sun - Rise: 06:17, Set: 20:59, Transit: 13:39. Moon - Rise: 16:27, Set: 05:00. Civil Dark: 21:36 - 05:40. Nautical Dark: 22:24 - 04:51. Astro Dark: 23:23 - 03:52

Total Clouds (% Sky Obscured)

87
75
74
70
65
72
84
83
100
100
100
100
100
100
100
100
93
99
87
79
86
87
95
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
0
0

Medium Clouds (% Sky Obscured)

86
75
52
70
42
72
77
83
100
100
97
97
100
100
100
100
93
99
87
76
39
87
95
100

High Clouds (% Sky Obscured)

30
3
12
1
3
0
0
0
0
0
100
100
100
100
100
82
60
11
25
20
14
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
0
0
0
0
0
0
0
3
2
2
2
1
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)

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

Chance of Frost

Temperature (°C)

11
14
15
16
17
17
17
17
15
14
12
11
11
10
10
9
9
8
8
7
7
7
9
10

Feels Like (°C)

9
11
12
13
14
15
14
14
12
11
9
7
7
7
6
5
4
4
3
3
2
2
4
4

Dew Point (°C)

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

Relative Humidity (%)

58
52
46
42
41
40
41
44
53
59
58
64
64
57
59
61
65
73
74
74
76
74
69
63

Pressure (mb)

1025
1025
1024
1023
1023
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

381
382
384
387
390
391
398
401
406
405
401
406
409
410
409
413
414
415
416
419
417
416
418
419

Tuesday 28

Waxing Gibbous 92%

17:42

05:11

11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
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
09 Good
10 Good

Sun - Rise: 06:16, Set: 21:00, Transit: 13:39. Moon - Rise: 17:42, Set: 05:11. Civil Dark: 21:38 - 05:38. Nautical Dark: 22:27 - 04:48. Astro Dark: 23:26 - 03:48

Total Clouds (% Sky Obscured)

53
69
49
66
25
15
19
0
11
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

Medium Clouds (% Sky Obscured)

53
69
49
62
22
13
14
0
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
10
2
0
0
0
0
0
5
4
3
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)

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

Chance of Frost

Temperature (°C)

12
14
16
17
18
18
18
18
17
15
14
13
12
11
10
10
9
8
8
7
7
8
10
12

Feels Like (°C)

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

Dew Point (°C)

5
5
6
6
5
6
7
8
8
6
4
4
3
3
3
2
2
1
1
0
0
1
1
1

Relative Humidity (%)

59
53
52
47
43
44
46
52
56
54
52
53
54
56
58
60
62
61
61
61
62
62
55
48

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026

Ozone (du)

418
415
410
406
404
402
402
402
402
401
400
397
396
395
393
391
390
389
390
391
390
389
388
387

Wednesday 29

Waxing Gibbous 97%

18:56

05:23

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 06:14, Set: 21:02, Transit: 13:39. Moon - Rise: 18:56, Set: 05:23. Civil Dark: 21:40 - 05:35. Nautical Dark: 22:29 - 04:46. Astro Dark: 23:29 - 03:45

Total Clouds (% Sky Obscured)

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

Low 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

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
1
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

14
15
17
18
18
19
19
18
17
16
15
14
13
12
11
10
9
9
8
8
7
8
10
12

Feels Like (°C)

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

Dew Point (°C)

1
2
2
3
3
4
5
6
7
7
5
3
3
3
3
2
1
0
-1
-2
-1
-1
-1
-2

Relative Humidity (%)

43
40
38
36
36
37
40
46
49
53
51
49
50
54
56
58
55
54
54
52
54
54
47
40

Pressure (mb)

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

Ozone (du)

387
387
386
387
388
388
386
384
383
382
382
382
381
380
379
379
378
377
375
374
374
374
374
375

Thursday 30

Waxing Gibbous 99%

20:11

05:36

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 06:12, Set: 21:03, Transit: 13:39. Moon - Rise: 20:11, Set: 05:36. Civil Dark: 21:42 - 05:33. Nautical Dark: 22:31 - 04:43. Astro Dark: 23:32 - 03:41

Total Clouds (% Sky Obscured)

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

Low 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

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)

1
1
1
1
0
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 (%)

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)

17
18
18
19
19
18
17
16
15
14
12
11
10
9
9
9
9
9
9
9
9
9
11
11

Chance of Frost

Temperature (°C)

13
15
16
18
19
19
20
19
18
17
15
14
13
12
11
10
10
9
8
8
9
10
12
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
33
33
32
31
31
35
39
41
45
45
44
50
55
55
54
53
54
55
57
60
59
52
44

Pressure (mb)

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

Ozone (du)

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

Friday 1

Full Moon 100%

21:26

05:53

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:10, Set: 21:05, Transit: 13:38. Moon - Rise: 21:26, Set: 05:53. Civil Dark: 21:44 - 05:31. Nautical Dark: 22:33 - 04:41. Astro Dark: 23:36 - 03:37

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
33
59
68
73
79
83
91
100
99
98
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
47
78
82
86
90
72
55
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
13
20
16
13
12
22
27
30
38
50
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
16
28
21
12
6
37
69
100
94
88
82

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
1
0
2
6
3
14
21
12
25
32
37

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

Chance of Frost

Temperature (°C)

17
18
20
21
22
23
23
23
23
20
18
16
16
15
14
14
14
13
12
13
13
14
15
16

Feels Like (°C)

14
16
18
19
21
22
24
24
25
22
19
18
17
16
14
13
12
12
12
12
11
11
14
14

Dew Point (°C)

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

Relative Humidity (%)

41
39
37
35
34
33
34
35
42
52
57
62
64
66
69
70
74
76
80
79
80
79
78
77

Pressure (mb)

1023
1022
1022
1021
1021
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018

Ozone (du)

379
378
377
374
373
373
372
373
374
374
376
377
378
378
379
378
377
376
375
374
374
374
371
369

Saturday 2

Waning Gibbous 98%

22:40

06:16

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
09 Bad
10 Bad

Sun - Rise: 06:08, Set: 21:07, Transit: 13:38. Moon - Rise: 22:40, Set: 06:16. Civil Dark: 21:45 - 05:29. Nautical Dark: 22:36 - 04:38. Astro Dark: 23:39 - 03:34

Total Clouds (% Sky Obscured)

98
99
100
89
80
70
80
89
100
99
98
96
88
80
67
53
56
58
74
87
99
99
100
100

Low Clouds (% Sky Obscured)

41
46
50
47
41
36
36
39
42
38
32
29
27
24
20
25
31
37
40
43
54
56
50
44

Medium Clouds (% Sky Obscured)

66
68
72
48
27
4
25
49
73
76
81
83
70
54
45
35
25
25
20
20
20
15
21
36

High Clouds (% Sky Obscured)

88
94
100
68
35
8
38
67
90
93
95
96
84
71
56
51
51
45
64
82
99
99
100
100

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

Precipitation Probability (%)

40
41
35
29
21
7
7
4
2
5
8
3
10
13
8
28
40
48
74
83
86
79
69
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
12
11
11
11
8
7
6
4
3
2
2
2
3
3
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

16
17
18
19
18
18
18
18
17
16
14
13
12
11
11
10
10
9
9
10
11
11
12
13

Feels Like (°C)

14
14
14
15
17
16
15
16
16
16
12
12
12
12
11
11
9
9
9
9
9
8
10
9

Dew Point (°C)

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

Relative Humidity (%)

74
72
70
66
63
60
57
61
65
70
74
78
83
84
88
91
91
91
90
90
88
87
80
72

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

367
368
370
371
371
371
371
376
381
385
387
389
391
391
391
391
389
386
383
381
380
378
378
377

Sunday 3

Waning Gibbous 95%

23:51

06:47

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK

Sun - Rise: 06:06, Set: 21:08, Transit: 13:38. Moon - Rise: 23:51, Set: 06:47. Civil Dark: 21:47 - 05:27. Nautical Dark: 22:38 - 04:36. Astro Dark: 23:43 - 03:30

Total Clouds (% Sky Obscured)

97
94
92
85
77
70
74
77
79
78
77
76
63
51
38
41
47
55
51
43
35

Low Clouds (% Sky Obscured)

50
59
62
52
46
40
43
45
48
51
54
54
52
47
38
41
43
42
38
35
31

Medium Clouds (% Sky Obscured)

53
64
70
63
61
65
69
77
79
78
76
73
46
21
2
4
6
7
4
2
0

High Clouds (% Sky Obscured)

68
37
0
5
5
5
10
20
40
38
31
19
13
7
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

Fog (%)

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

Precipitation Probability (%)

39
35
34
40
39
33
18
8
1
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
17
17
17
17
16
15
14
13
12
10
10
9
9
8
8
8
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
60
56
57
57
57
60
65
69
74
79
83
85
87
90
90
90
90
87
85

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

377
377
376
376
377
378
379
379
379
379
379
379
380
380
379
379
380
381
382
384
387

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

Generated: 27/04/26 11:28:42. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00