Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 14

Waning Crescent 9%

04:37

18:37

08 Bad
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 Bad
07 Bad

Sun - Rise: 05:50, Set: 21:21, Transit: 13:36. Moon - Rise: 04:37, Set: 18:37. Civil Dark: 22:01 - 05:10. Nautical Dark: 22:56 - 04:15. Astro Dark: 00:12 - 02:57

Total Clouds (% Sky Obscured)

67
70
71
70
100
100
99
98
100
100
100
100
100
100
75
83
68
58
64
51
14
35
49
68

Low Clouds (% Sky Obscured)

60
58
46
54
67
61
88
74
73
79
80
64
43
5
33
55
62
56
62
49
13
35
49
68

Medium Clouds (% Sky Obscured)

67
64
40
70
100
100
92
87
95
96
93
96
100
100
72
71
30
4
2
2
2
2
4
2

High Clouds (% Sky Obscured)

0
0
0
0
5
2
14
92
100
100
25
15
14
1
0
0
1
1
2
0
0
0
0
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

55
58
38
67
61
68
85
95
95
95
93
78
57
22
11
11
9
8
4
3
3
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0
0
0.5
0.9
0.9
0.7
0.7
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
85
80
77
81
75
66
60
62
72
80
88
91
93
94
94
94
96
94
94
94
93
93

Pressure (mb)

999
999
999
999
999
999
999
999
998
998
998
999
999
1000
1000
1001
1001
1002
1002
1002
1002
1003
1003
1003

Ozone (du)

437
435
433
432
430
431
433
432
432
434
435
436
437
436
436
436
435
433
432
430
430
431
430
428

Friday 15

Waning Crescent 3%

05:00

20:07

08 Bad
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 Bad
05 Bad
06 OK
07 OK

Sun - Rise: 05:49, Set: 21:23, Transit: 13:36. Moon - Rise: 05:00, Set: 20:07. Civil Dark: 22:03 - 05:08. Nautical Dark: 22:58 - 04:13. Astro Dark: 00:16 - 02:52

Total Clouds (% Sky Obscured)

75
68
77
97
99
80
84
97
89
90
87
91
99
96
97
94
99
100
93
91
81
61
14
31

Low Clouds (% Sky Obscured)

73
51
55
71
74
65
68
68
46
42
44
64
70
52
57
33
32
12
22
16
16
11
1
1

Medium Clouds (% Sky Obscured)

3
16
34
80
69
45
64
90
86
90
87
91
99
96
97
94
96
99
79
71
54
52
14
25

High Clouds (% Sky Obscured)

22
16
16
18
18
10
10
5
0
0
5
9
8
10
20
29
78
46
4
10
48
13
1
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
7
42
66
74
70
63
60
50
35
12
4
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
74
69
65
60
64
72
68
72
71
67
68
70
77
81
84
88
88
91
91
93
93
89

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010

Ozone (du)

428
426
423
421
420
420
420
420
420
417
414
414
415
415
415
415
414
414
415
415
414
414
412
410

Saturday 16

New Moon 0%

05:31

21:41

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

Sun - Rise: 05:47, Set: 21:24, Transit: 13:36. Moon - Rise: 05:31, Set: 21:41. Civil Dark: 22:05 - 05:06. Nautical Dark: 23:00 - 04:11. Astro Dark: 00:20 - 02:48

Total Clouds (% Sky Obscured)

56
28
64
76
88
65
100
100
89
96
93
76
18
60
75
42
7
1
23
45
71
84
79
91

Low Clouds (% Sky Obscured)

1
0
24
41
9
15
31
48
32
55
77
4
3
5
10
9
1
1
14
27
41
46
47
46

Medium Clouds (% Sky Obscured)

43
23
43
44
62
41
70
55
55
52
93
76
18
60
75
14
4
0
5
12
42
84
23
58

High Clouds (% Sky Obscured)

0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
26
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
6
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
8
21
10
7
7
8
9
16
31
32
55
54
31
27
5
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
72
62
55
50
47
48
49
49
49
58
65
80
84
88
90
90
93
93
93
93
93
94
94

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

408
408
409
408
408
408
407
405
403
400
397
395
393
392
393
393
392
391
391
389
389
390
392
392

Sunday 17

Waxing Crescent 1%

06:17

23:10

08 Bad
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 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:46, Set: 21:25, Transit: 13:36. Moon - Rise: 06:17, Set: 23:10. Civil Dark: 22:06 - 05:05. Nautical Dark: 23:02 - 04:08. Astro Dark: 00:25 - 02:43

Total Clouds (% Sky Obscured)

88
94
95
100
100
100
99
97
96
97
97
98
98
97
97
97
98
98
88
79
74
76
79
81

Low Clouds (% Sky Obscured)

56
67
76
75
68
59
56
50
45
40
35
30
42
55
67
58
49
40
36
32
28
35
41
53

Medium Clouds (% Sky Obscured)

30
30
29
35
28
71
87
97
96
97
97
98
98
96
96
97
48
98
88
79
74
73
69
72

High Clouds (% Sky Obscured)

52
68
86
67
48
21
18
15
10
5
0
0
0
0
0
2
4
6
4
2
5
5
5
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
6
4
9
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

6
14
34
43
38
13
13
19
36
47
44
35
22
7
4
16
25
35
66
95
78
95
73
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
1.1
0.2
1.1
0.6
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
76
67
80
86
83
78
74
65
71
76
76
77
79
84
84
84
85
90
96
95
98
95

Pressure (mb)

1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1015
1015

Ozone (du)

391
391
391
391
392
394
398
399
400
399
399
399
401
404
402
402
404
405
408
407
407
411
414
416

Monday 18

Waxing Crescent 5%

07:23

00:25

08 Bad
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 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:45, Set: 21:27, Transit: 13:36. Moon - Rise: 07:23, Set: 00:25. Civil Dark: 22:08 - 05:03. Nautical Dark: 23:04 - 04:06. Astro Dark: 00:29 - 02:39

Total Clouds (% Sky Obscured)

87
94
100
100
99
99
99
100
100
94
74
69
60
66
72
80
90
99
95
93
89
91
91
91

Low Clouds (% Sky Obscured)

54
60
65
55
44
44
47
53
58
24
15
2
5
8
12
18
21
31
32
30
34
32
28
27

Medium Clouds (% Sky Obscured)

73
84
90
92
89
97
44
44
47
84
42
39
31
49
61
70
80
91
88
83
79
84
90
91

High Clouds (% Sky Obscured)

32
68
100
97
94
92
94
97
100
94
74
69
60
51
27
48
69
90
62
34
29
27
28
39

ISS Passover

Visibility (miles)

9
9
9
9
9
6
6
9
7
9
7
6
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
41
41
32
50
54
40
39
54
48
57
51
41
29
12
9
6
0
0
2
0
1
1
3

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0
0
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
87
83
76
68
67
71
61
63
74
70
79
84
87
88
91
93
91
93
91
91
90
87
87

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

416
415
416
417
418
418
419
420
415
409
403
396
392
387
382
377
374
371
369
368
366
365
368
371

Tuesday 19

Waxing Crescent 11%

No Rise

01:20

08 Bad
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 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:43, Set: 21:28, Transit: 13:36. Moon - Rise: No Rise, Set: 01:20. Civil Dark: 22:10 - 05:02. Nautical Dark: 23:06 - 04:04. Astro Dark: 00:34 - 02:34

Total Clouds (% Sky Obscured)

94
97
100
94
90
87
92
97
100
100
100
100
100
100
100
99
98
97
97
98
98
97
96
95

Low Clouds (% Sky Obscured)

23
29
30
63
83
87
87
82
74
71
64
60
48
26
13
20
28
36
39
41
44
55
63
63

Medium Clouds (% Sky Obscured)

94
97
97
88
78
67
52
37
22
35
46
59
73
86
100
96
93
89
89
89
88
70
52
34

High Clouds (% Sky Obscured)

57
77
97
72
47
30
62
78
96
92
87
83
86
86
82
58
41
32
35
47
59
60
49
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

13
15
14
13
10
8
8
8
1
9
11
12
27
43
57
69
70
57
45
35
24
23
22
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
8
7
8
8
8
11
11
11
12
12
13
12
12
12
12
12
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

85
83
81
79
79
78
76
75
75
74
78
82
85
87
90
93
93
95
95
93
92
90
90
89

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

373
373
372
371
371
372
372
372
373
373
372
370
369
368
368
367
368
368
369
371
373
376
376
377

Wednesday 20

Waxing Crescent 21%

08:44

01:57

08 Bad
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 OK
22 OK
23 OK
00 OK
01 Good

Sun - Rise: 05:42, Set: 21:30, Transit: 13:37. Moon - Rise: 08:44, Set: 01:57. Civil Dark: 22:11 - 05:00. Nautical Dark: 23:09 - 04:02. Astro Dark: 00:39 - 02:28

Total Clouds (% Sky Obscured)

93
90
87
86
85
84
81
75
69
65
61
54
42
31
20
14
11
6

Low Clouds (% Sky Obscured)

56
49
42
43
45
47
48
48
49
48
47
46
41
31
20
14
11
6

Medium Clouds (% Sky Obscured)

33
35
41
46
53
62
48
38
27
26
19
12
4
4
4
3
2
1

High Clouds (% Sky Obscured)

37
25
12
6
3
0
0
1
1
2
3
3
3
2
0
0
0
0

ISS Passover

Visibility (miles)

9
7
6
4
3
3
3
5
7
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

Precipitation Type

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

Precipitation Probability (%)

19
22
27
42
52
59
62
63
62
57
51
40
31
18
8
9
7
0

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
12
13
13
14
16
16
16
16
16
16
14
14
14
13
12

Dew Point (°C)

13
13
13
13
14
14
15
14
14
14
13
13
12
11
11
11
10
10

Relative Humidity (%)

89
85
81
78
77
78
78
76
72
71
71
72
73
78
84
93
93
93

Pressure (mb)

1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

378
379
379
379
380
382
383
383
383
383
383
384
384
384
383
382
382
382

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

Generated: 14/05/26 08:27:11. Forecast: 14/05/26 to 20/05/26. Timezone: UTC+2.00