Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 14

Waning Crescent 9%

04:20

18:37

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

Sun - Rise: 05:51, Set: 21:21, Transit: 13:36. Moon - Rise: 04:20, Set: 18:37. Civil Dark: 22:01 - 05:11. Nautical Dark: 22:56 - 04:17. Astro Dark: 00:08 - 03:01

Total Clouds (% Sky Obscured)

96
92
88
96
100
99
99
98
100
100
88
61
84
99
100
100
100
100
100
99
97
38
62
91

Low Clouds (% Sky Obscured)

80
64
63
85
75
75
77
73
60
78
67
48
55
70
87
69
67
72
66
67
34
0
45
21

Medium Clouds (% Sky Obscured)

78
59
77
74
100
96
93
79
91
81
46
24
58
88
94
95
68
94
99
93
65
27
23
51

High Clouds (% Sky Obscured)

7
0
0
0
0
0
0
0
0
0
0
0
0
17
96
97
95
99
100
23
2
0
1
1

ISS Passover

Visibility (miles)

9
8
9
9
8
9
9
9
9
9
9
9
9
6
5
5
6
3
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

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

Precipitation Probability (%)

49
36
50
37
30
19
11
24
44
58
51
50
67
85
93
94
95
95
64
26
22
3
2
4

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0.2
0
0
0
0.4
0.7
0.7
0.9
0.8
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
94
94
94
96
96
94
93
90
87
85
76
66
66
80
81
77
85
87
85
90
91
93

Pressure (mb)

999
999
999
999
999
999
999
999
999
999
999
999
998
998
998
998
998
998
999
999
999
1000
1001
1001

Ozone (du)

438
437
436
435
435
437
438
439
438
435
434
433
432
432
434
434
433
434
435
435
435
435
434
434

Friday 15

Waning Crescent 3%

04:37

20:07

00 Bad
01 Bad
02 Bad
03 OK
04 Bad
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

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: 00:12 - 02:57

Total Clouds (% Sky Obscured)

55
48
47
34
40
25
51
78
71
72
79
95
97
98
81
99
94
99
99
97
93
96
96
98

Low Clouds (% Sky Obscured)

37
44
47
34
40
25
51
53
52
42
63
78
44
73
67
80
64
80
67
60
62
49
53
34

Medium Clouds (% Sky Obscured)

21
2
2
1
0
0
0
30
30
34
19
40
86
87
81
85
93
99
75
70
41
87
93
97

High Clouds (% Sky Obscured)

2
2
1
1
0
0
9
38
10
3
3
0
0
5
6
94
50
45
24
28
40
28
15
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
2
0
0
0
0
0
0
1
8
38
56
55
60
65
62
56
53
31
8
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
93
94
91
91
84
78
72
67
63
60
61
65
67
70
72
73
74
80
85
88

Pressure (mb)

1001
1002
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008

Ozone (du)

433
432
430
428
429
430
430
428
426
425
425
423
421
420
420
419
420
418
416
415
414
415
414
414

Saturday 16

New Moon 0%

05:00

21:41

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

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: 00:16 - 02:52

Total Clouds (% Sky Obscured)

100
97
93
91
78
17
23
1
27
31
75
94
80
99
92
59
67
79
72
40
43
47
42
45

Low Clouds (% Sky Obscured)

31
17
25
27
23
16
20
0
0
13
40
23
15
18
15
4
41
71
54
29
19
19
11
3

Medium Clouds (% Sky Obscured)

94
88
75
68
56
1
2
1
21
14
38
50
38
45
40
59
67
20
17
27
43
47
23
14

High Clouds (% Sky Obscured)

91
90
3
2
1
1
2
1
1
1
1
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
7
9
9
9
6
9
9
8
9
4
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
Very Light Rain
None
None
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
6
8
26
33
29
20
46
47
43
57
52
51
48
24
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
93
93
93
89
82
73
63
57
54
52
51
49
66
68
64
66
80
88
91
91

Pressure (mb)

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

Ozone (du)

416
417
416
415
414
411
410
409
408
409
411
412
412
411
412
412
410
406
402
398
396
395
394
394

Sunday 17

Waxing Crescent 1%

05:31

23:10

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 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: 00:20 - 02:48

Total Clouds (% Sky Obscured)

40
41
55
73
84
88
87
87
88
90
92
97
96
96
94
92
91
88
85
81
88
94
100
100

Low Clouds (% Sky Obscured)

1
1
17
34
49
58
62
68
63
60
57
64
70
77
64
51
38
33
27
22
32
43
53
55

Medium Clouds (% Sky Obscured)

14
15
22
26
34
35
27
26
26
26
26
34
34
35
53
49
55
63
83
81
88
93
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
2
27
57
89
67
44
17
11
6
0
13
25
38
31
25
23
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
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
None
None
None
None
None
None

Precipitation Probability (%)

2
0
0
0
1
6
9
11
10
9
11
32
37
33
35
45
50
54
36
24
21
29
40
47

Precipitation Amount (mm)

0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
91
91
93
88
83
75
65
60
58
60
54
59
67
76
77
79
79
77
80

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

394
394
392
388
389
390
391
391
388
387
388
390
392
393
395
395
396
397
399
401
401
404
402
401

Monday 18

Waxing Crescent 5%

06:17

No Set

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

Sun - Rise: 05:46, Set: 21:27, Transit: 13:36. Moon - Rise: 06:17, Set: No Set. Civil Dark: 22:08 - 05:05. Nautical Dark: 23:04 - 04:08. Astro Dark: 00:25 - 02:43

Total Clouds (% Sky Obscured)

100
100
100
99
99
96
93
90
83
77
72
77
84
91
89
89
87
81
76
74
69
64
56
69

Low Clouds (% Sky Obscured)

57
60
67
73
77
77
73
70
60
44
27
24
22
29
35
41
51
33
18
3
3
3
3
6

Medium Clouds (% Sky Obscured)

100
100
99
98
97
68
84
78
77
74
72
77
84
91
86
81
76
60
44
29
27
22
13
12

High Clouds (% Sky Obscured)

74
100
68
37
5
0
0
0
0
0
0
0
0
0
13
26
40
60
76
74
69
51
26
48

ISS Passover

Visibility (miles)

9
9
9
6
3
9
9
9
9
8
9
9
9
9
9
8
7
6
6
5
5
7
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

51
44
75
95
95
31
11
5
23
25
13
11
10
17
20
27
38
45
49
52
43
35
30
24

Precipitation Amount (mm)

0
0
0
1.2
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
90
98
96
96
96
93
87
81
72
61
57
55
59
65
68
73
78
83
87
88
93

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

404
405
406
407
408
412
412
412
412
412
411
411
413
415
416
417
417
418
416
415
414
406
399
391

Tuesday 19

Waxing Crescent 11%

07:23

00:25

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

Sun - Rise: 05:45, Set: 21:28, Transit: 13:36. Moon - Rise: 07:23, Set: 00:25. Civil Dark: 22:10 - 05:03. Nautical Dark: 23:06 - 04:06. Astro Dark: 00:29 - 02:39

Total Clouds (% Sky Obscured)

82
95
90
84
81
83
86
90
94
96
99
93
87
82
86
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
14
11
7
3
3
2
2
5
8
11
27
44
60
69
75
78
66
58
49
34
30
30
31

Medium Clouds (% Sky Obscured)

8
7
27
47
67
77
86
90
91
85
78
72
66
60
71
85
98
89
80
69
63
57
50
61

High Clouds (% Sky Obscured)

69
90
66
46
32
35
28
19
34
50
65
56
45
30
48
67
87
78
74
70
84
91
97
96

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

17
0
0
1
0
0
0
0
1
1
2
19
24
24
31
40
50
57
55
45
36
35
41
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
6
6
6
6
6
5
9
9
9
10
11
12
13
13
13
11
11
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
95
95
95
93
91
84
79
72
72
71
69
75
83
90
92
92
93
92
92
92

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

388
385
382
381
379
378
376
375
373
373
373
373
375
377
379
379
379
379
378
378
377
378
378
379

Wednesday 20

Waxing Crescent 21%

08:44

01:20

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: 00:34 - 02:34

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: 13/05/26 23:16:24. Forecast: 14/05/26 to 20/05/26. Timezone: UTC+2.00