Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

03:15

11:43

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

Sun - Rise: 06:25, Set: 20:55, Transit: 13:40. Moon - Rise: 03:15, Set: 11:43. Civil Dark: 21:30 - 05:48. Nautical Dark: 22:16 - 05:02. Astro Dark: 23:10 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
23
0
2
24
28
26
28
23
27
38
32
38
34

Low Clouds (% Sky Obscured)

2
1
2
0
0
4
6
4
7
6
12
1
0
2
10
7
14
17
11
20
23
16
6
9

Medium Clouds (% Sky Obscured)

99
100
98
99
99
98
99
76
84
88
41
0
0
0
21
26
23
23
19
20
37
29
20
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
23
0
0
0
0
0
1
0
0
0
5
25
17

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
6
7
8
10
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.03
0.04
0.05
0.07
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
7
7
7
8
8
9

Relative Humidity (%)

81
82
78
77
79
82
84
86
88
89
90
87
82
76
71
65
61
58
55
52
51
53
56
63

Pressure (mb)

1007
1008
1008
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013

Ozone (du)

379
380
382
382
383
383
384
385
386
388
390
392
395
399
400
398
393
391
392
395
398
398
398
395

Friday 26

Waning Gibbous 47%

03:52

12:44

21 OK
22 OK
23 Good
00 Good
01 OK
02 Bad
03 OK
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

Sun - Rise: 06:23, Set: 20:57, Transit: 13:40. Moon - Rise: 03:52, Set: 12:44. Civil Dark: 21:32 - 05:46. Nautical Dark: 22:18 - 04:59. Astro Dark: 23:13 - 04:03

Total Clouds (% Sky Obscured)

18
27
16
3
38
54
29
98
100
100
100
100
88
88
100
42
77
84
50
84
92
56
93
91

Low Clouds (% Sky Obscured)

6
11
0
1
0
1
7
23
96
24
85
100
63
16
23
34
68
75
24
16
22
20
52
32

Medium Clouds (% Sky Obscured)

18
25
16
1
1
1
9
98
100
100
100
96
86
87
100
27
38
45
42
82
91
50
84
82

High Clouds (% Sky Obscured)

0
0
0
2
38
53
23
42
1
0
0
0
0
0
0
0
11
25
20
16
58
13
59
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
7
5
4
3
2
4
6
7
6
4
3

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

Precipitation Probability (%)

8
4
0
0
0
2
6
16
29
35
44
68
65
28
14
11
14
13
15
19
21
23
21
22

Precipitation Amount (mm)

0.05
0.01
0
0
0
0.01
0.03
0.1
0.15
0.12
0.11
0.71
0.85
0.26
0.08
0.13
0.23
0.18
0.2
0.26
0.27
0.4
0.33
0.38

Wind Speed/Direction (mph)

8
7
7
7
7
8
9
10
11
12
13
15
16
17
19
20
21
21
22
21
20
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
75
78
80
81
81
80
79
79
82
86
88
84
76
67
61
56
53
54
56
58
60
60
60

Pressure (mb)

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

Ozone (du)

390
383
377
374
373
372
371
370
370
369
368
370
377
386
392
392
388
386
387
389
391
393
395
396

Saturday 27

Third Quarter 37%

04:22

13:48

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:21, Set: 20:58, Transit: 13:40. Moon - Rise: 04:22, Set: 13:48. Civil Dark: 21:33 - 05:44. Nautical Dark: 22:20 - 04:57. Astro Dark: 23:16 - 04:00

Total Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
90
90
90
90
90
90
71

Low Clouds (% Sky Obscured)

63
81
100
100
98
100
100
100
100
99
98
100
100
100
100
100
100
81
81
81
81
81
81
58

Medium Clouds (% Sky Obscured)

72
98
89
99
98
99
93
82
68
96
92
98
98
98
98
98
98
16
16
16
16
16
16
60

High Clouds (% Sky Obscured)

77
82
60
85
91
70
41
66
96
83
59
50
50
50
50
50
50
52
52
52
52
52
52
5

ISS Passover

Visibility (miles)

4
6
8
9
8
9
10
10
10
10
10
10
10
6
2
1
1
2
2
2
2
1
1
1

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

Precipitation Probability (%)

19
16
17
20
15
29
22
24
22
15
15
10
13
15
16
20
26
38
39
32
27
27
28
30

Precipitation Amount (mm)

0.31
0.23
0.28
0.49
0.25
0.81
0.36
0.32
0.27
0.06
0.03
0.01
0.02
0.06
0.1
0.16
0.21
0.5
0.29
0.25
0.23
0.26
0.32
0.35

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
5
5
5
4
4
4
4
4
4
5
5
7
7
10
10
6
10
11
11
11
11

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
5
5
5
5
5
5

Relative Humidity (%)

62
63
66
67
68
70
72
74
75
76
76
75
73
71
68
66
66
67
72
68
66
66
67
68

Pressure (mb)

1013
1013
1014
1014
1014
1013
1014
1014
1014
1015
1016
1017
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1017
1018

Ozone (du)

396
395
394
392
389
387
386
385
384
384
383
383
383
382
382
382
382
381
378
375
372
371
372
372

Sunday 28

Waning Crescent 28%

04:48

14:52

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
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

Sun - Rise: 06:19, Set: N/A, Transit: 13:39. Moon - Rise: 04:48, Set: 14:52. Civil Dark: 21:35 - 05:42. Nautical Dark: 22:22 - 04:54. Astro Dark: 23:19 - 03:57

Total Clouds (% Sky Obscured)

71
71
71
71
71
33
33
33
33
33
33
100
100
100
100
100
100
90
90
90
90
90
90
66

Low Clouds (% Sky Obscured)

58
58
58
58
58
31
31
31
31
31
31
100
100
100
100
100
100
84
84
84
84
84
84
34

Medium Clouds (% Sky Obscured)

60
60
60
60
60
18
18
18
18
18
18
2
2
2
2
2
2
84
84
84
84
84
84
64

High Clouds (% Sky Obscured)

5
5
5
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
1
4
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

28
25
19
16
15
15
12
6
3
0
0
0
0
0
0
0
0
0
4
6
7
6
3
0

Precipitation Amount (mm)

0.32
0.27
0.2
0.14
0.12
0.11
0.07
0.02
0.01
0
0
0
0
0
0
0
0
0
0.01
0.05
0.09
0.06
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
5
6
6
6
6
6
6

Relative Humidity (%)

71
76
79
83
86
89
91
94
97
98
98
95
88
80
74
70
67
63
59
56
54
54
55
56

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

370
367
365
365
367
368
366
363
361
360
359
358
358
359
360
361
363
365
367
369
371
374
376
378

Monday 29

Waning Crescent 20%

05:10

15:58

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

Sun - Rise: 06:17, Set: 21:00, Transit: 13:39. Moon - Rise: 05:10, Set: 15:58. Civil Dark: 21:37 - 05:40. Nautical Dark: 22:25 - 04:52. Astro Dark: 23:22 - 03:54

Total Clouds (% Sky Obscured)

66
66
66
66
66
55
55
55
55
55
55
40
40
40
40
40
40
97
97
97
97
97
97
45

Low Clouds (% Sky Obscured)

34
34
34
34
34
35
35
35
35
35
35
2
2
2
2
2
2
97
97
97
97
97
97
45

Medium Clouds (% Sky Obscured)

64
64
64
64
64
3
3
3
3
3
3
2
2
2
2
2
2
14
14
14
14
14
14
0

High Clouds (% Sky Obscured)

0
0
0
0
0
31
31
31
31
31
31
39
39
39
39
39
39
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
1
1
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
11
10
9
8
7
6
6
5
5
6
7
9
12
14
15
16
17
18
19
19
19
18
17

Feels Like (°C)

13
11
9
8
7
6
6
5
4
4
5
6
9
12
14
15
16
17
18
19
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

58
62
66
70
74
78
81
84
86
87
86
81
74
66
62
57
52
49
47
47
47
49
51
54

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

378
378
377
375
372
370
370
371
372
373
373
372
371
370
368
368
368
368
368
368
369
370
370
370

Tuesday 30

Waning Crescent 13%

05:30

17:04

21 OK
22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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 Good

Sun - Rise: 06:15, Set: 21:01, Transit: 13:39. Moon - Rise: 05:30, Set: 17:04. Civil Dark: 21:39 - 05:38. Nautical Dark: 22:27 - 04:49. Astro Dark: 23:25 - 03:50

Total Clouds (% Sky Obscured)

45
45
45
45
45
4
4
4
4
4
4
100
100
100
100
100
100
89
89
89
89
89
89
9

Low Clouds (% Sky Obscured)

45
45
45
45
45
4
4
4
4
4
4
100
100
100
100
100
100
89
89
89
89
89
89
9

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
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Precipitation Amount (mm)

0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03

Wind Speed/Direction (mph)

6
7
7
7
6
6
5
5
5
4
4
5
5
6
7
8
8
9
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

16
15
13
11
10
9
8
7
7
7
7
9
12
14
16
17
18
19
19
19
18
18
18
18

Feels Like (°C)

16
15
13
11
10
8
7
6
5
5
6
8
12
14
16
17
18
19
19
19
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

56
59
63
67
71
74
78
81
83
84
82
77
69
62
57
53
50
48
47
48
50
51
52
52

Pressure (mb)

1019
1019
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

368
366
364
362
360
358
356
355
353
352
352
351
351
350
350
349
347
347
347
348
349
351
353
355

Wednesday 1

Waning Crescent 7%

05:49

18:11

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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

Sun - Rise: 06:13, Set: 21:03, Transit: 13:39. Moon - Rise: 05:49, Set: 18:11. Civil Dark: 21:41 - 05:36. Nautical Dark: 22:29 - 04:47. Astro Dark: 23:28 - 03:47

Total Clouds (% Sky Obscured)

9
9
9
9
9
0
0
0
0
0
0
100
100
100
100
100
100
98
98
98
98
98
98
96

Low Clouds (% Sky Obscured)

9
9
9
9
9
0
0
0
0
0
0
100
100
100
100
100
100
71
71
71
71
71
71
18

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
0
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
92
92
92
92
92
92
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
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 (%)

2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2

Precipitation Amount (mm)

0.04
0.04
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
12
11
10
8
7
6
6
7
8
10
12
14
15
15
16
16
16
16
17
17
16

Feels Like (°C)

16
15
14
12
11
8
7
5
4
4
5
7
10
12
14
15
15
16
16
16
16
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

53
55
58
60
63
66
70
73
75
75
72
68
63
58
55
52
49
47
47
47
48
48
48
50

Pressure (mb)

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

Ozone (du)

355
355
354
353
352
351
350
349
348
346
343
342
341
341
342
343
344
346
346
347
348
351
355
358

Forecast for De Brouckere, 1000 Brussels, Belgium (50.85,4.35)

Generated: 25/04/19 20:52:46. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+2.00