Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

Waning Crescent 12%

05:49

16:55

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

Sun - Rise: 06:44, Set: 20:34, Transit: 13:40. Moon - Rise: 05:49, Set: 16:55. Civil Dark: 21:09 - 06:10. Nautical Dark: 21:52 - 05:26. Astro Dark: 22:40 - 04:38

Total Clouds (% Sky Obscured)

74
65
64
62
62
54
32
77
39
52
30
20
22
15
7
13
9
2
24
44
49
33
66
93

Low Clouds (% Sky Obscured)

51
55
45
34
38
41
15
74
34
29
21
18
20
15
7
12
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
49
50
50
36
23
34
27
0
0
0
0
0
0
0
0
2
1
15
34
33
59
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
23
12
2
3
1
0
1
9
2
24
44
49
33
61
67

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
13
14
14
15
15
16
15
15
10
10
9
8
7
6
5
3
3
3
3
5
8
10

Dew Point (°C)

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

Relative Humidity (%)

66
60
56
50
46
44
43
44
53
58
59
60
63
67
70
71
74
74
74
75
76
77
72
66

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

418
416
411
406
400
396
394
391
390
390
386
382
382
381
379
376
373
370
368
366
364
363
363
363

Wednesday 15

Waning Crescent 6%

06:02

18:17

11 Bad
12 Bad
13 Bad
14 OK
15 OK
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: 06:42, Set: 20:36, Transit: 13:40. Moon - Rise: 06:02, Set: 18:17. Civil Dark: 21:11 - 06:07. Nautical Dark: 21:54 - 05:24. Astro Dark: 22:42 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
36
34
69
94
100
100
99
90
62
92
100
78
82
47
90
65
83
90
72
71
71

Low Clouds (% Sky Obscured)

0
0
6
17
3
21
37
24
16
72
48
52
62
72
50
35
37
57
50
73
81
57
51
62

Medium Clouds (% Sky Obscured)

78
84
33
28
17
33
62
40
100
77
51
61
46
34
22
17
6
23
14
21
62
46
51
34

High Clouds (% Sky Obscured)

100
100
100
35
34
60
78
100
100
89
0
0
0
0
0
0
0
0
13
36
41
29
1
11

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
2
23
37
8
1
4
42
46
7
5
11
1
3
3
2
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)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
19
19
18
17
16
15
14
13
12
12
11
11
10
10
11
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
54
51
48
47
47
48
54
63
72
71
69
66
73
76
80
84
88
85
84
88
90
84
69

Pressure (mb)

1022
1021
1021
1021
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022

Ozone (du)

362
363
362
361
358
356
356
357
357
360
361
363
373
373
375
372
373
376
376
376
378
379
378
377

Thursday 16

Waning Crescent 2%

06:17

19:42

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: 06:40, Set: 20:37, Transit: 13:40. Moon - Rise: 06:17, Set: 19:42. Civil Dark: 21:12 - 06:05. Nautical Dark: 21:56 - 05:21. Astro Dark: 22:45 - 04:32

Total Clouds (% Sky Obscured)

70
82
94
80
90
94
90
95
78
50
51
54
58
65
76
100
100
93
82
83
79
79
74
71

Low Clouds (% Sky Obscured)

58
58
58
42
49
43
39
17
5
5
5
5
3
0
0
1
1
1
1
1
1
9
16
23

Medium Clouds (% Sky Obscured)

34
53
53
35
41
37
0
0
29
20
24
48
58
65
76
82
77
93
82
83
79
79
46
15

High Clouds (% Sky Obscured)

17
34
57
32
62
73
67
78
53
30
27
32
30
33
37
100
100
58
40
15
11
11
18
29

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 (%)

1
20
7
3
4
2
5
4
2
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
10
11
11
10
10
10
9
7
5
4
3
3
3
4
4
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

14
16
16
17
17
17
17
17
16
15
13
12
11
10
10
9
9
10
10
10
10
11
12
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
61
59
60
58
52
50
63
68
72
71
72
72
77
81
82
82
81
80
81
82
78
73
66

Pressure (mb)

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

Ozone (du)

377
376
376
374
370
369
367
365
363
362
361
363
365
365
364
360
358
357
358
357
358
360
360
359

Friday 17

New Moon 0%

06:36

21:11

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: 06:38, Set: 20:39, Transit: 13:40. Moon - Rise: 06:36, Set: 21:11. Civil Dark: 21:14 - 06:03. Nautical Dark: 21:58 - 05:19. Astro Dark: 22:47 - 04:29

Total Clouds (% Sky Obscured)

79
78
73
83
90
97
96
95
94
96
97
99
99
100
100
95
90
86
89
92
95
97
98
100

Low Clouds (% Sky Obscured)

16
8
0
17
22
30
31
32
32
31
33
35
30
25
20
22
25
27
32
36
41
52
62
70

Medium Clouds (% Sky Obscured)

16
17
18
23
28
30
43
25
25
25
25
26
31
36
37
63
34
39
83
46
41
84
91
53

High Clouds (% Sky Obscured)

33
27
18
32
42
67
65
61
46
41
63
90
94
97
100
67
34
1
2
3
4
2
1
6

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
2
1
1
1
3
3
3
1
0
0
0
0
0
1
2
4
3
3
2
12
15
14

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
6
6
5
6
6
5
4
4
4
4
4
5
5
5
5
5
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
17
17
17
17
17
16
15
15
14
13
12
11
11
11
11
10
10
11
10
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

61
56
51
49
47
51
58
62
64
64
61
61
62
63
65
69
72
72
71
71
74
77
79
73

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

360
359
359
358
358
357
356
356
355
355
357
358
356
355
356
355
353
354
355
354
354
356
359
361

Saturday 18

Waxing Crescent 2%

07:02

22:44

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: 06:36, Set: 20:41, Transit: 13:39. Moon - Rise: 07:02, Set: 22:44. Civil Dark: 21:16 - 06:01. Nautical Dark: 22:00 - 05:16. Astro Dark: 22:50 - 04:26

Total Clouds (% Sky Obscured)

98
97
82
95
95
92
83
73
63
58
59
63
54
49
45
63
74
80
85
90
94
85
74
65

Low Clouds (% Sky Obscured)

73
76
58
75
72
44
37
32
28
28
29
44
54
46
45
48
46
44
42
41
40
40
42
40

Medium Clouds (% Sky Obscured)

75
61
43
53
76
68
39
70
60
58
59
60
54
49
45
63
74
80
69
51
31
19
9
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
6
7
4
4
5
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
36
48
63
73
79
78
74
53
39
19
9
14
40
19
14
8
2
2
1
0
6
10
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
17
16
16
15
14
13
11
9
9
9
9
8
7
7
7
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

70
72
68
60
61
65
66
72
79
86
88
91
91
91
90
84
87
90
90
91
91
93
85
78

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

360
360
359
358
358
359
361
363
363
364
366
368
370
370
369
369
371
374
376
380
384
388
389
389

Sunday 19

Waxing Crescent 6%

07:38

00:15

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: 06:34, Set: 20:42, Transit: 13:39. Moon - Rise: 07:38, Set: 00:15. Civil Dark: 21:18 - 05:58. Nautical Dark: 22:02 - 05:14. Astro Dark: 22:53 - 04:23

Total Clouds (% Sky Obscured)

71
77
80
70
60
50
49
52
51
54
51
48
46
45
44
44
39
39
43
43
43
47
55
59

Low Clouds (% Sky Obscured)

50
62
76
70
60
50
49
52
51
54
51
48
46
45
44
44
39
39
43
43
43
38
39
41

Medium Clouds (% Sky Obscured)

1
1
2
1
1
0
0
0
0
1
2
3
3
3
4
4
4
5
11
19
26
30
33
36

High Clouds (% Sky Obscured)

3
3
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
8
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 (%)

20
23
27
24
23
22
21
21
22
23
21
18
24
28
31
33
33
33
31
29
25
28
30
32

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
5

Relative Humidity (%)

72
72
71
71
71
72
72
73
76
78
80
82
85
87
88
91
91
90
91
90
90
88
85
81

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

390
392
394
396
397
398
399
400
402
404
406
407
409
409
409
409
409
409
408
410
411
412
413
413

Monday 20

Waxing Crescent 14%

08:31

01:37

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

Sun - Rise: 06:32, Set: 20:44, Transit: 13:39. Moon - Rise: 08:31, Set: 01:37. Civil Dark: 21:20 - 05:56. Nautical Dark: 22:04 - 05:11. Astro Dark: 22:55 - 04:20

Total Clouds (% Sky Obscured)

56
54
51
63
73
86
67
47
28
29
37
37
42
50
52
58
62
68
67
66
65

Low Clouds (% Sky Obscured)

37
32
28
42
61
80
61
45
27
29
35
33
40
48
52
58
62
68
67
66
62

Medium Clouds (% Sky Obscured)

26
17
9
20
32
40
37
37
28
29
27
25
18
11
6
4
2
0
1
1
1

High Clouds (% Sky Obscured)

0
0
0
1
6
9
7
5
3
4
4
6
5
4
4
4
3
3
2
1
0

ISS Passover

Visibility (miles)

9
8
8
7
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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
43
47
46
42
40
37
33
27
22
15
4
11
15
15
20
23
25
23
20
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
84
87
81
76
71
77
84
89
91
93
96
94
94
94
94
96
96
96
96

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

414
413
412
411
411
412
412
413
413
414
416
419
421
420
418
416
415
414
412
411
409

Forecast for Boutersem, Flemish Brabant, Kingdom of Belgium (50.84,4.83)

Generated: 14/04/26 11:12:38. Forecast: 14/04/26 to 20/04/26. Timezone: UTC+2.00