Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 3%

04:37

20:07

01 Bad
02 Bad
03 Bad
04 OK
05 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:50, Set: 21:23, Transit: 13:36. Moon - Rise: 04:37, Set: 20:07. Civil Dark: 22:03 - 05:10. Nautical Dark: 22:58 - 04:15. Astro Dark: 00:16 - 02:57

Total Clouds (% Sky Obscured)

81
76
62
25
22
68
74
83
81
90
100
100
100
100
100
100
98
92
97
92
85
89
90
91

Low Clouds (% Sky Obscured)

62
52
46
25
22
67
67
66
50
38
74
71
64
65
53
62
52
57
61
47
34
22
16
23

Medium Clouds (% Sky Obscured)

25
11
5
0
0
0
7
27
56
64
81
98
97
96
100
100
95
84
85
81
73
77
76
77

High Clouds (% Sky Obscured)

0
0
0
0
0
5
37
18
20
27
24
68
97
98
100
100
61
21
52
61
16
3
2
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
5
4
7
5
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
84
1
0
0
0
0
1
8
44
76
81
66
67
61
48
29
15
5
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
93
93
91
86
84
74
67
68
73
83
73
76
65
67
63
67
74
79
85
86

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009

Ozone (du)

432
432
431
430
429
426
424
421
420
419
417
417
415
416
417
417
416
415
413
414
414
413
412
411

Saturday 16

New Moon 0%

05:00

21:41

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

Sun - Rise: 05:49, Set: 21:24, Transit: 13:36. Moon - Rise: 05:00, Set: 21:41. Civil Dark: 22:05 - 05:08. Nautical Dark: 23:00 - 04:13. Astro Dark: 00:20 - 02:52

Total Clouds (% Sky Obscured)

91
84
84
45
74
27
15
30
38
96
84
69
85
100
94
71
56
63
68
76
77
79
58
50

Low Clouds (% Sky Obscured)

27
22
24
25
21
14
0
0
3
27
25
58
43
49
52
33
47
59
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

63
82
72
42
62
27
15
27
19
46
33
5
24
40
20
16
35
46
68
55
51
53
41
35

High Clouds (% Sky Obscured)

17
22
11
19
20
15
9
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
8
9
9
9
8
8
9
6
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
1
3
18
21
19
30
20
27
24
46
38
37
44
35
19
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
1
1
0
0
1
3
5
7
9
10
8
9
10
10
12
11
11
10
9
7
6
7

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
88
85
88
83
79
75
67
57
54
60
69
63
58
58
63
69
81
83
88
93
93

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013

Ozone (du)

410
411
410
412
413
417
418
424
428
427
427
425
420
413
408
403
397
395
394
394
393
392
392
391

Sunday 17

Waxing Crescent 1%

05:31

23:10

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:47, Set: 21:25, Transit: 13:36. Moon - Rise: 05:31, Set: 23:10. Civil Dark: 22:06 - 05:06. Nautical Dark: 23:02 - 04:11. Astro Dark: 00:25 - 02:48

Total Clouds (% Sky Obscured)

69
85
86
93
92
95
96
99
100
100
100
100
100
100
99
99
89
97
94
96
98
100
100
100

Low Clouds (% Sky Obscured)

6
57
70
69
37
48
59
49
57
55
50
48
55
64
78
69
50
49
47
48
39
38
47
53

Medium Clouds (% Sky Obscured)

48
57
56
59
68
60
62
72
97
100
100
100
82
82
32
36
28
30
25
28
31
29
29
88

High Clouds (% Sky Obscured)

0
0
22
72
54
81
91
93
100
100
100
100
100
100
79
39
3
0
3
39
71
100
75
51

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
2
2
1
0
1
2
0
2
9
18
20
28
15
9
5
5
7
6
8
12
16
15
19

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)

6
6
6
6
7
7
7
8
9
9
10
11
11
13
13
11
11
11
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
91
85
78
73
67
65
63
70
79
83
79
76
80
82
80
84
84
87

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

389
387
386
387
387
388
387
387
388
389
390
391
390
390
388
390
394
397
396
394
396
400
404
404

Monday 18

Waxing Crescent 5%

06:17

00:25

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
19 Bad
20 Bad
21 OK
22 Good
23 Bad
00 Bad

Sun - Rise: 05:46, Set: 21:27, Transit: 13:36. Moon - Rise: 06:17, Set: 00:25. Civil Dark: 22:08 - 05:05. Nautical Dark: 23:04 - 04:08. Astro Dark: 00:29 - 02:43

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
96
93
89
90
90
92
91
89
87
70
55
32
34
11
7
45
71

Low Clouds (% Sky Obscured)

56
57
53
47
36
37
32
36
39
47
52
57
62
63
63
64
49
34
19
12
6
0
0
0

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
96
93
89
88
28
27
26
26
23
18
11
11
34
3
5
13
61

High Clouds (% Sky Obscured)

32
41
50
60
50
40
30
21
16
12
6
1
0
0
0
0
0
0
0
0
0
0
24
45

ISS Passover

Visibility (miles)

9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
6
7
7
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

25
59
95
95
78
46
26
13
14
11
25
28
26
18
46
43
44
56
48
25
2
0
0
0

Precipitation Amount (mm)

0
0
1.4
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
93
96
96
96
96
96
87
77
67
60
57
66
59
65
67
67
74
82
88
91
95
95

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

405
405
404
403
404
404
406
406
404
404
406
412
414
414
411
408
396
390
386
384
382
380
377
374

Tuesday 19

Waxing Crescent 11%

07:23

No Set

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:45, Set: 21:28, Transit: 13:36. Moon - Rise: 07:23, Set: No Set. Civil Dark: 22:10 - 05:03. Nautical Dark: 23:06 - 04:06. Astro Dark: 00:34 - 02:39

Total Clouds (% Sky Obscured)

86
91
95
100
99
98
98
98
99
99
99
99
98
99
99
99
96
92
90
93
97
100
98
96

Low Clouds (% Sky Obscured)

0
9
15
15
15
15
15
18
25
32
50
63
78
79
80
81
69
58
46
46
44
42
54
66

Medium Clouds (% Sky Obscured)

83
88
93
97
97
98
97
90
72
46
38
60
31
42
52
63
60
56
46
60
78
97
69
39

High Clouds (% Sky Obscured)

68
78
89
100
67
33
0
1
3
4
3
1
0
33
67
99
96
92
90
93
97
100
67
34

ISS Passover

Visibility (miles)

9
9
9
6
5
9
9
9
9
9
9
9
9
9
8
6
4
6
8
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
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
9
59
78
52
31
16
30
19
11
20
33
45
75
72
68
70
70
72
60
47
31
57
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
8
9
9
9
8
9
9
10
11
11
11
11
12
12
13
13
13
12
12
12
12
11

Relative Humidity (%)

93
91
91
93
93
93
88
90
91
91
89
89
89
80
80
82
82
83
85
84
89
90
93
92

Pressure (mb)

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

Ozone (du)

371
370
366
365
367
372
378
379
376
374
374
374
375
375
374
372
371
370
370
370
375
380
385
382

Wednesday 20

Waxing Crescent 21%

08:44

01:20

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
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 Bad

Sun - Rise: 05:43, Set: 21:30, Transit: 13:37. Moon - Rise: 08:44, Set: 01:20. Civil Dark: 22:11 - 05:02. Nautical Dark: 23:09 - 04:04. Astro Dark: 00:39 - 02:34

Total Clouds (% Sky Obscured)

93
93
92
93
91
91
92
92
92
92
91
90
90
86
82
78
65
53
41
33
24
14
28
41

Low Clouds (% Sky Obscured)

78
83
86
89
81
73
66
62
58
55
63
73
83
79
74
69
60
52
41
32
24
14
20
21

Medium Clouds (% Sky Obscured)

11
9
8
6
28
49
68
66
63
61
48
35
22
23
13
8
6
4
1
1
0
0
0
1

High Clouds (% Sky Obscured)

1
5
17
35
50
55
55
52
49
46
42
31
25
19
7
1
1
0
0
0
0
1
23
41

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

72
67
50
29
26
24
22
35
48
62
63
60
50
53
54
54
55
55
55
45
32
11
8
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
12
12
12
12
12
12
12
12
13
13
12
12
12
13
13
13
13
12
12
12

Relative Humidity (%)

93
92
92
92
92
93
92
93
90
87
83
82
82
81
77
74
72
77
79
85
89
92
95
95

Pressure (mb)

1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

379
376
375
374
373
374
375
376
377
378
378
378
377
377
375
372
370
366
362
357
355
352
350
348

Thursday 21

Waxing Crescent 31%

10:11

01:57

Sun - Rise: 05:42, Set: 21:31, Transit: 13:37. Moon - Rise: 10:11, Set: 01:57. Civil Dark: 22:13 - 05:00. Nautical Dark: 23:11 - 04:02. Astro Dark: 00:45 - 02:28

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 15/05/26 00:40:25. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+2.00