Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

03:22

09:20

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:16, Set: 21:01, Transit: 13:39. Moon - Rise: 03:22, Set: 09:20. Civil Dark: 21:38 - 05:38. Nautical Dark: 22:26 - 04:50. Astro Dark: 23:24 - 03:51

Total Clouds (% Sky Obscured)

42
46
50
74
79
64
72
56
77
71
94
100
95
92
100
100
93
100
99
97
99
100
100
100

Low Clouds (% Sky Obscured)

6
0
21
57
54
62
40
19
5
0
14
0
0
0
1
1
1
7
19
20
25
30
37
25

Medium Clouds (% Sky Obscured)

0
0
1
1
37
36
45
23
72
69
86
73
91
91
75
98
94
86
72
48
70
85
76
48

High Clouds (% Sky Obscured)

70
30
76
60
62
19
50
75
76
75
79
86
88
84
100
100
60
62
58
11
35
58
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
6
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
16
24
17
10
14
7
6
14
6
1
0
0
0
0
2
9
13
15
20
6

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

Chance of Frost

Temperature (°C)

8
9
11
12
14
15
16
17
18
18
18
18
17
16
15
14
13
12
12
12
12
12
12
12

Feels Like (°C)

6
6
9
9
11
12
14
14
14
15
15
16
16
15
13
12
11
11
11
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
88
81
75
69
64
58
53
54
56
61
63
65
73
75
80
86
87
90
87
87
86
90
92

Pressure (mb)

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

Ozone (du)

425
426
428
424
429
431
429
421
416
417
416
416
416
416
420
421
422
418
412
410
409
404
401
402

Tuesday 30

Waning Gibbous 64%

03:53

10:36

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:14, Set: 21:03, Transit: 13:39. Moon - Rise: 03:53, Set: 10:36. Civil Dark: 21:40 - 05:36. Nautical Dark: 22:29 - 04:47. Astro Dark: 23:27 - 03:48

Total Clouds (% Sky Obscured)

94
83
99
90
100
95
93
99
100
96
98
85
93
100
95
100
100
100
100
100
100
80
81
71

Low Clouds (% Sky Obscured)

11
45
36
24
47
50
41
84
60
38
63
32
38
30
47
48
38
62
62
59
59
55
21
1

Medium Clouds (% Sky Obscured)

89
65
75
76
97
77
61
74
82
84
54
82
86
69
79
98
100
99
73
70
38
34
14
21

High Clouds (% Sky Obscured)

92
34
65
20
63
88
91
91
100
73
76
65
45
86
86
100
100
98
100
100
99
63
78
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
9
5
5
3
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
2
9
19
16
4
16
12
56
93
82
67
90
86
69
59
72
94
88
45
4
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0
0.4
0.5
0.2
0
0.3
0.7
0.7
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
14
15
16
17
17
18
20
20
21
20
19
18
17
16
15
15
15
14
13
13
13
12

Feels Like (°C)

10
10
12
14
14
16
16
18
19
19
20
20
18
18
16
15
14
15
14
13
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

92
87
84
80
69
78
85
85
74
70
65
66
89
96
95
98
96
95
92
90
92
93
95
96

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1014
1013
1013
1012
1012
1012
1011
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010

Ozone (du)

404
406
405
405
401
399
397
394
395
397
395
393
391
392
393
394
391
392
394
397
397
396
396
399

Wednesday 1

Third Quarter 53%

04:16

12:00

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:12, Set: 21:04, Transit: 13:39. Moon - Rise: 04:16, Set: 12:00. Civil Dark: 21:42 - 05:34. Nautical Dark: 22:31 - 04:45. Astro Dark: 23:31 - 03:44

Total Clouds (% Sky Obscured)

92
99
85
72
83
85
89
100
100
97
91
93
89
75
87
100
100
88
81
86
89
100
100
100

Low Clouds (% Sky Obscured)

3
2
25
47
53
51
50
40
36
44
22
77
28
25
29
30
27
60
68
70
77
85
91
95

Medium Clouds (% Sky Obscured)

40
37
56
17
52
26
9
17
19
37
5
75
78
73
75
65
50
45
40
36
33
37
45
50

High Clouds (% Sky Obscured)

85
98
37
43
7
62
68
100
100
94
96
67
80
70
78
100
100
83
65
70
80
100
83
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
2
2
1
0
0
0
0
0

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

Precipitation Probability (%)

0
0
0
0
0
0
2
2
3
9
27
26
36
55
69
95
95
95
95
95
95
95
95
89

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
1.4
0.9
1.6
1.2
1.2
1
1
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
15
16
17
18
19
20
21
21
21
21
20
19
17
16
16
15
14
14
14
14
13
13

Feels Like (°C)

11
13
15
16
18
18
19
19
20
20
20
19
19
18
16
15
14
13
14
13
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
83
77
69
62
58
57
57
59
69
76
82
86
89
96
98
100
100
98
100
98
98

Pressure (mb)

1009
1009
1010
1009
1009
1009
1008
1008
1007
1006
1006
1006
1005
1005
1005
1005
1005
1004
1004
1003
1002
1002
1002
1001

Ozone (du)

400
398
396
394
393
392
391
390
387
384
384
383
382
381
378
378
377
377
377
377
378
378
378
379

Thursday 2

Waning Crescent 41%

04:34

13:28

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:10, Set: 21:06, Transit: 13:39. Moon - Rise: 04:34, Set: 13:28. Civil Dark: 21:44 - 05:32. Nautical Dark: 22:33 - 04:43. Astro Dark: 23:34 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
97
94
91
94
97
100
96
92
88
91
95
100
100
100
100
100
100
100
98
96

Medium Clouds (% Sky Obscured)

52
51
47
38
23
14
40
60
80
87
89
53
53
55
55
48
68
70
77
57
98
97
96
95

High Clouds (% Sky Obscured)

53
61
70
38
26
76
91
85
36
46
63
91
100
82
77
89
81
81
80
62
70
70
77
88

ISS Passover

Visibility (miles)

0
2
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

57
51
37
28
27
31
21
26
29
15
55
72
88
92
95
95
95
93
86
81
82
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.7
0.6
0.6
0.6
0.5
0.4
0.3
0.3
0.7
1.8
2.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
95
92
93
92
90
89
87
89
89
83
84
84
84
84
83
83
84
84
83
83
91
96

Pressure (mb)

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

Ozone (du)

379
377
377
379
381
380
377
378
376
375
376
376
375
375
376
375
375
375
375
374
374
373
373
373

Friday 3

Waning Crescent 30%

04:49

14:56

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:09, Set: 21:08, Transit: 13:39. Moon - Rise: 04:49, Set: 14:56. Civil Dark: 21:46 - 05:30. Nautical Dark: 22:35 - 04:40. Astro Dark: 23:37 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
96
99
90
79
100
86
72
63
65
79
78
80
78
90
91
93

Low Clouds (% Sky Obscured)

94
93
92
91
81
71
60
66
67
75
69
53
52
36
43
47
51
50
49
52
53
50
55
59

Medium Clouds (% Sky Obscured)

94
96
98
100
100
100
84
89
87
95
72
71
96
47
39
25
24
22
24
20
15
11
21
33

High Clouds (% Sky Obscured)

100
88
77
60
50
31
2
6
15
69
30
48
100
69
38
7
5
3
2
26
51
80
80
75

ISS Passover

Visibility (miles)

2
3
3
5
8
7
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

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
None
None
None

Precipitation Probability (%)

95
95
90
62
56
46
19
22
26
38
36
35
28
14
14
6
7
5
0
1
1
0
1
1

Precipitation Amount (mm)

1.5
1.2
0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
14
13
13
12
13
13
13
12
10
10
8
6
6
5
5
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
91
91
90
80
65
61
63
69
70
74
80
83
86
89
90
91
91
90
91
91
88

Pressure (mb)

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

Ozone (du)

375
378
381
381
378
378
380
381
384
387
387
385
385
385
385
385
384
385
385
385
386
386
387
388

Saturday 4

Waning Crescent 19%

05:02

16:23

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:07, Set: 21:09, Transit: 13:39. Moon - Rise: 05:02, Set: 16:23. Civil Dark: 21:47 - 05:28. Nautical Dark: 22:37 - 04:38. Astro Dark: 23:40 - 03:34

Total Clouds (% Sky Obscured)

94
85
74
71
82
83
81
82
84
87
91
91
90
84
76
63
64
60
60
65
75
85
90
95

Low Clouds (% Sky Obscured)

55
49
35
34
36
37
39
55
63
68
71
75
84
77
69
63
67
66
65
60
55
45
35
30

Medium Clouds (% Sky Obscured)

41
36
28
18
21
21
20
44
67
89
87
85
86
84
75
65
63
60
54
40
31
24
35
50

High Clouds (% Sky Obscured)

55
35
21
6
18
28
44
49
50
65
75
80
80
72
63
55
58
58
61
43
21
0
8
15

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
6
7
8
9
9
9
9
9
9
9
8
8
8
8
8
6

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

Precipitation Probability (%)

1
8
13
12
22
31
40
57
71
83
85
83
80
71
57
34
37
43
42
48
54
54
45
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
77
70
62
65
65
67
74
82
92
92
92
93
92
92
90
90
91
93
95
95
95
96

Pressure (mb)

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

Ozone (du)

389
390
391
393
395
393
390
388
389
390
390
397
405
412
411
410
409
409
408
408
411
413
416
416

Sunday 5

Waning Crescent 11%

05:16

17:50

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
01 Bad

Sun - Rise: 06:05, Set: 21:11, Transit: 13:39. Moon - Rise: 05:16, Set: 17:50. Civil Dark: 21:49 - 05:26. Nautical Dark: 22:40 - 04:36. Astro Dark: 23:44 - 03:30

Total Clouds (% Sky Obscured)

95
95
90
80
85
95
90
90
95
90
91
89
87
81
82
85
85
85
90

Low Clouds (% Sky Obscured)

30
25
25
25
15
25
25
25
30
25
38
47
55
47
38
30
30
34
44

Medium Clouds (% Sky Obscured)

63
70
72
75
74
79
78
65
57
52
54
52
53
42
38
30
25
20
16

High Clouds (% Sky Obscured)

21
22
24
26
20
11
2
8
15
21
22
22
23
33
43
53
42
30
19

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

54
57
59
58
66
72
75
76
79
84
82
76
69
59
47
30
35
34
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
93
93
93
93
95
95
96
95
95
95
95
96
96
98
98

Pressure (mb)

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

Ozone (du)

416
416
416
416
416
415
414
414
413
412
411
411
410
410
406
401
396
395
393

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 29/04/24 07:15:57. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+2.00