Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:36

21:11

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

Sun - Rise: 06:38, Set: 20:39, Transit: 13:39. Moon - Rise: 06:36, Set: 21:11. Civil Dark: 21:14 - 06:03. Nautical Dark: 21:57 - 05:19. Astro Dark: 22:47 - 04:29

Total Clouds (% Sky Obscured)

52
62
76
76
96
91
76
70
64
50
99
26
82
91
92
92
99
93
99
98
100
96
94
91

Low Clouds (% Sky Obscured)

41
0
0
1
56
34
0
5
9
20
9
0
22
33
7
11
39
31
61
71
70
38
32
53

Medium Clouds (% Sky Obscured)

52
31
46
33
63
65
56
53
47
31
25
11
64
62
66
56
84
58
91
97
100
88
55
51

High Clouds (% Sky Obscured)

27
44
57
38
22
15
6
9
2
1
88
14
2
1
1
2
14
61
82
41
45
31
35
30

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
1
1
0
0
0
0
0
0
0
0
0
0
0
1
4
7
10
27
52

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
46
44
44
46
54
65
71
72
75
75
76
81
84
77
77
77
77
77
80
80
80
75
71

Pressure (mb)

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

Ozone (du)

363
362
361
362
363
363
361
361
360
361
364
363
364
363
360
358
358
358
358
358
361
364
366
367

Saturday 18

Waxing Crescent 2%

07:02

22:43

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 Good
04 Good
05 Good
06 OK
07 Good
08 Good
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:36, Set: 20:40, Transit: 13:39. Moon - Rise: 07:02, Set: 22:43. Civil Dark: 21:16 - 06:01. Nautical Dark: 21:59 - 05:16. Astro Dark: 22:49 - 04:26

Total Clouds (% Sky Obscured)

91
78
89
83
94
98
100
100
100
100
100
78
89
86
7
0
2
11
1
1
34
96
89
73

Low Clouds (% Sky Obscured)

35
46
48
51
49
42
70
73
79
91
85
63
37
34
7
0
0
0
0
0
28
90
61
52

Medium Clouds (% Sky Obscured)

57
74
78
47
72
58
82
80
60
50
45
24
24
15
4
0
2
4
0
0
2
18
43
39

High Clouds (% Sky Obscured)

29
25
17
9
42
77
96
98
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
4
4
8
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

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

Precipitation Probability (%)

65
70
63
55
45
30
18
36
72
77
73
60
18
9
1
0
0
0
0
0
14
18
7
9

Precipitation Amount (mm)

0.3
0.5
0.3
0
0
0
0
0
0.6
0.7
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
6
8
7
7
11
10
8
6
6
7
6
4
4
3
4
3
2
2
2
2
4
6
6

Chance of Frost

Temperature (°C)

17
18
18
18
17
16
15
14
13
12
11
10
10
9
9
8
7
6
6
7
9
10
11
13

Feels Like (°C)

15
17
16
15
16
13
12
11
10
9
9
8
8
7
9
8
7
6
5
7
9
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

73
75
77
76
70
82
89
82
76
77
81
83
82
87
88
90
90
91
93
85
80
76
75
64

Pressure (mb)

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

Ozone (du)

368
369
370
371
370
370
372
372
372
372
373
376
377
379
388
397
403
407
408
410
410
407
406
406

Sunday 19

Waxing Crescent 6%

07:38

00:15

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

Sun - Rise: 06:34, Set: 20:42, Transit: 13:39. Moon - Rise: 07:38, Set: 00:15. Civil Dark: 21:17 - 05:58. Nautical Dark: 22:02 - 05:14. Astro Dark: 22:52 - 04:23

Total Clouds (% Sky Obscured)

58
55
71
65
41
44
76
33
46
37
68
80
67
68
96
94
96
93
79
66
62
58
58
57

Low Clouds (% Sky Obscured)

54
40
53
65
41
41
31
33
45
37
68
76
60
65
92
88
96
89
79
66
62
58
58
54

Medium Clouds (% Sky Obscured)

4
21
41
0
0
0
0
0
0
0
0
0
0
0
2
29
70
52
0
0
0
0
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
8
52
0
0
0
0
0
0
0
1
30
30
20
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 (%)

24
20
8
20
33
34
34
24
14
2
2
0
0
0
0
8
7
3
1
0
0
1
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
12
11
10
10
8
6
6
5
3
3
3
3
3
2
3
3
5
6
7
8

Dew Point (°C)

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

Relative Humidity (%)

56
53
53
50
54
60
64
76
82
87
90
88
88
87
88
90
88
88
90
88
79
71
63
57

Pressure (mb)

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

Ozone (du)

405
405
404
403
403
403
402
402
401
402
402
403
403
403
404
403
403
403
405
404
404
403
403
404

Monday 20

Waxing Crescent 14%

08:31

01:37

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
11 Bad
12 Bad

Sun - Rise: 06:32, Set: 20:44, Transit: 13:39. Moon - Rise: 08:31, Set: 01:37. Civil Dark: 21:19 - 05:56. Nautical Dark: 22:04 - 05:11. Astro Dark: 22:55 - 04:20

Total Clouds (% Sky Obscured)

60
64
60
60
72
86
98
89
87
85
86
87
88
83
78
78
78
72
72
72
66
72
89
96

Low Clouds (% Sky Obscured)

50
40
26
14
27
46
60
59
68
78
82
86
88
83
78
78
78
72
72
72
66
72
80
77

Medium Clouds (% Sky Obscured)

6
10
12
15
23
21
25
24
22
21
26
27
28
29
30
23
21
21
16
14
14
13
20
30

High Clouds (% Sky Obscured)

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

1
0
0
0
2
3
3
14
18
20
18
15
12
16
17
15
12
8
4
4
3
0
1
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
9
10
11
11
12
13
12
10
9
8
8
8
8
7
8
8
9
9
9
11
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
47
45
44
45
53
58
61
67
73
85
94
94
94
94
96
96
96
96
91
79
72
64
58

Pressure (mb)

1022
1022
1021
1021
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

404
405
405
405
404
403
405
407
408
408
408
408
407
407
409
411
412
412
413
413
412
410
411
413

Tuesday 21

Waxing Crescent 23%

09:41

02:41

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 06:30, Set: 20:45, Transit: 13:39. Moon - Rise: 09:41, Set: 02:41. Civil Dark: 21:21 - 05:54. Nautical Dark: 22:06 - 05:09. Astro Dark: 22:57 - 04:17

Total Clouds (% Sky Obscured)

96
95
55
52
50
47
40
42
40
37
27
14
2
1
1
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

77
65
43
31
35
39
40
42
39
36
23
11
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

34
39
32
29
22
19
12
14
19
22
14
8
1
1
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 (%)

3
3
3
1
3
3
1
1
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)

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

Chance of Frost

Temperature (°C)

11
12
13
14
15
14
13
11
9
8
7
6
6
5
4
4
3
4
4
4
6
9
11
12

Feels Like (°C)

6
7
8
11
11
12
11
9
6
6
5
5
4
3
3
3
3
2
2
1
3
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

58
61
50
44
42
48
53
59
59
63
66
70
74
76
77
79
80
80
80
80
70
62
54
49

Pressure (mb)

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

Ozone (du)

413
414
415
415
412
409
406
406
405
403
400
395
393
391
388
385
382
383
384
385
385
384
384
386

Wednesday 22

Waxing Crescent 34%

11:03

03:26

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
11 Good
12 OK

Sun - Rise: 06:28, Set: 20:47, Transit: 13:38. Moon - Rise: 11:03, Set: 03:26. Civil Dark: 21:23 - 05:52. Nautical Dark: 22:08 - 05:07. Astro Dark: 23:00 - 04:14

Total Clouds (% Sky Obscured)

0
0
1
2
2
2
2
3
3
3
2
2
2
1
0
0
0
0
0
0
0
0
9
19

Low Clouds (% Sky Obscured)

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

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
1
3

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
3

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

Chance of Frost

Temperature (°C)

13
14
14
15
15
14
13
13
11
10
8
7
7
6
5
5
4
5
5
6
8
10
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
41
41
43
44
50
57
65
68
73
77
78
79
81
83
86
89
88
86
85
75
67
60
55

Pressure (mb)

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

Ozone (du)

388
390
393
395
397
401
404
408
410
412
415
413
411
410
405
401
396
393
390
387
385
382
380
380

Thursday 23

Waxing Crescent 46%

12:28

03:56

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

Sun - Rise: 06:26, Set: 20:48, Transit: 13:38. Moon - Rise: 12:28, Set: 03:56. Civil Dark: 21:24 - 05:50. Nautical Dark: 22:10 - 05:04. Astro Dark: 23:03 - 04:11

Total Clouds (% Sky Obscured)

26
30
37
45
37
26
14
19
23
32
33
34
35
40
45
51
46
41
36

Low Clouds (% Sky Obscured)

1
4
6
9
6
4
1
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
8
12
16
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
4
3
2
7
11
14
19
23
32
33
34
35
40
45
51
46
41
36

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
14
13
13
13
15
15
10
10
10
9
8
8
4
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

50
46
46
46
45
52
58
67
70
72
76
78
82
85
87
86
88
85
82

Pressure (mb)

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

Ozone (du)

379
379
377
376
374
374
374
373
373
373
373
371
370
368
368
369
369
370
371

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 17/04/26 13:54:30. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00