Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 17

Waxing Crescent 1%

06:19

23:13

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:48, Set: 21:28, Transit: 13:39. Moon - Rise: 06:19, Set: 23:13. Civil Dark: 22:09 - 05:07. Nautical Dark: 23:05 - 04:10. Astro Dark: 00:29 - 02:44

Total Clouds (% Sky Obscured)

97
97
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
100
100
98

Low Clouds (% Sky Obscured)

96
83
85
85
83
66
55
58
61
55
73
86
84
89
79
56
40
52
66
79
34
52
57
64

Medium Clouds (% Sky Obscured)

66
37
48
58
56
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
100
100
97

High Clouds (% Sky Obscured)

16
97
97
99
83
100
83
11
11
31
15
97
96
27
92
100
100
100
100
100
32
57
0
0

ISS Passover

Visibility (miles)

9
9
9
6
9
7
4
4
4
9
9
8
8
3
3
5
7
9
9
9
9
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

31
51
68
95
95
95
95
95
83
78
78
95
95
95
95
95
46
11
2
0
37
55
60
69

Precipitation Amount (mm)

0
0.2
0.4
1.2
0.9
0.9
0.4
1.7
0.6
0.6
0.4
0.7
0.6
1.4
1.2
0.8
0
0
0
0
0
0.2
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
74
79
79
80
87
90
95
96
98
96
98
98
96
95
96
95
95
93
88
83
75
69

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

389
390
392
395
399
402
403
405
408
410
412
412
412
413
414
412
411
415
415
416
416
418
418
417

Monday 18

Waxing Crescent 5%

07:24

00:28

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

Sun - Rise: 05:46, Set: 21:29, Transit: 13:39. Moon - Rise: 07:24, Set: 00:28. Civil Dark: 22:11 - 05:05. Nautical Dark: 23:07 - 04:08. Astro Dark: 00:33 - 02:39

Total Clouds (% Sky Obscured)

97
100
100
100
71
100
56
50
5
19
51
34
49
54
100
100
100
96
97
100
100
100
100
98

Low Clouds (% Sky Obscured)

94
87
79
84
57
56
36
23
5
11
24
31
32
31
12
0
0
0
41
58
70
58
61
83

Medium Clouds (% Sky Obscured)

76
100
100
100
71
54
19
46
4
0
0
1
5
13
14
24
35
86
73
100
98
92
89
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
0
6
34
11
1
2
100
100
99
63
41
11
91
100
100
46

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

53
63
76
79
78
68
57
26
5
8
0
0
0
0
0
0
0
2
15
37
62
60
51
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
71
80
76
80
80
87
90
93
93
96
95
95
95
95
95
95
95
91
88
88
92
92

Pressure (mb)

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

Ozone (du)

416
414
413
414
415
410
391
388
386
385
379
376
374
370
369
368
365
364
364
364
365
366
368
373

Tuesday 19

Waxing Crescent 12%

08:45

01:22

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:45, Set: 21:31, Transit: 13:39. Moon - Rise: 08:45, Set: 01:22. Civil Dark: 22:12 - 05:04. Nautical Dark: 23:09 - 04:06. Astro Dark: 00:38 - 02:34

Total Clouds (% Sky Obscured)

96
100
100
100
100
98
96
92
95
76
64
67
68
95
81
84
82
96
97
60
70
78
96
96

Low Clouds (% Sky Obscured)

67
89
83
92
88
80
66
60
64
50
53
51
53
55
51
55
63
80
84
59
64
69
74
79

Medium Clouds (% Sky Obscured)

86
100
70
88
99
68
90
86
81
56
36
36
28
22
12
13
10
21
24
24
24
25
25
25

High Clouds (% Sky Obscured)

17
96
95
100
10
0
5
0
0
1
0
9
1
20
15
15
11
0
9
0
1
2
10
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

47
52
61
68
75
34
30
59
50
21
7
2
1
1
0
0
0
5
3
18
24
22
30
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
12
11
11
12
12
12
12
11
11
11
11
11
11
10
10
11
11
10
10
10

Relative Humidity (%)

92
92
92
92
92
90
89
90
95
95
95
93
93
95
96
96
96
93
92
90
83
78
71
68

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

378
384
386
381
381
380
379
380
385
383
383
380
381
378
375
376
375
373
369
366
360
357
355
355

Wednesday 20

Waxing Crescent 21%

10:13

01:59

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:44, Set: 21:32, Transit: 13:39. Moon - Rise: 10:13, Set: 01:59. Civil Dark: 22:14 - 05:02. Nautical Dark: 23:12 - 04:04. Astro Dark: 00:44 - 02:28

Total Clouds (% Sky Obscured)

95
95
96
97
86
74
68
75
82
79
89
78
80
88
82
91
96
94
93
94
96
98
93
84

Low Clouds (% Sky Obscured)

82
83
78
81
72
60
51
57
65
71
73
70
68
74
73
61
60
62
68
65
54
51
42
34

Medium Clouds (% Sky Obscured)

25
60
55
84
55
67
15
75
19
16
72
46
45
45
43
39
45
39
46
41
38
38
37
33

High Clouds (% Sky Obscured)

20
15
15
25
15
20
15
5
5
0
0
0
0
0
0
0
0
5
5
5
5
5
5
4

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
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 (%)

46
49
52
62
56
41
33
20
12
1
3
4
5
9
10
8
6
3
0
1
1
0
1
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
15
14
13
13
13
13
12
12
12
12
12
13
15
16
18
19

Feels Like (°C)

13
13
13
13
14
14
14
14
14
13
13
12
13
13
12
13
11
10
11
12
14
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

65
69
69
64
69
72
74
78
84
90
90
92
92
93
93
95
93
93
89
84
79
74
69
64

Pressure (mb)

1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

354
352
350
349
347
345
344
342
341
340
339
338
338
336
336
335
332
330
329
329
329
329
329
330

Thursday 21

Waxing Crescent 31%

11:39

02:24

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 05:43, Set: 21:33, Transit: 13:39. Moon - Rise: 11:39, Set: 02:24. Civil Dark: 22:15 - 05:01. Nautical Dark: 23:14 - 04:02. Astro Dark: 00:49 - 02:22

Total Clouds (% Sky Obscured)

88
67
65
78
81
84
75
71
65
62
61
66
70
53
41
30
29
30
26
30
26
28
39
50

Low Clouds (% Sky Obscured)

25
36
56
69
69
65
51
45
43
42
41
35
30
26
22
18
22
30
26
30
26
28
39
46

Medium Clouds (% Sky Obscured)

29
38
40
45
48
47
41
40
38
34
36
30
31
30
26
20
12
4
0
0
0
0
0
1

High Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
0
32
63
70
53
33
0
0
0
0
2
4
5
4
2

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 (%)

7
7
7
4
3
4
2
2
2
0
1
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
56
53
52
51
52
57
65
67
71
73
77
82
84
86
86
87
83
78
74
67
60
55
54

Pressure (mb)

1027
1027
1027
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

329
330
331
331
331
330
330
330
329
328
328
328
328
329
329
329
329
329
329
328
328
327
327
325

Friday 22

Waxing Crescent 42%

13:01

02:42

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

Sun - Rise: 05:42, Set: 21:35, Transit: 13:39. Moon - Rise: 13:01, Set: 02:42. Civil Dark: 22:17 - 04:59. Nautical Dark: 23:16 - 04:00. Astro Dark: 00:56 - 02:15

Total Clouds (% Sky Obscured)

59
65
68
78
65
54
44
35
24
14
11
8
7
14
22
32
28
23
18
20
24
25
25
25

Low Clouds (% Sky Obscured)

45
50
54
58
52
41
32
22
13
3
2
1
0
0
0
0
0
0
0
0
0
0
8
16

Medium Clouds (% Sky Obscured)

1
2
1
3
2
1
0
0
0
0
0
0
0
1
2
2
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
4
10
26
28
24
17
9
8
5
1
12
22
32
28
23
18
16
14
12
9
4

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

24
25
25
25
26
25
24
23
22
20
19
18
17
17
16
16
15
16
17
18
19
21
22
23

Feels Like (°C)

21
21
27
26
26
26
26
26
23
24
25
24
23
23
18
18
18
17
17
17
20
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

50
48
48
45
43
51
58
66
72
75
81
82
82
83
82
82
80
78
75
73
67
61
55
52

Pressure (mb)

1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

324
323
323
323
322
322
322
322
324
326
328
328
329
329
329
329
329
328
326
324
324
325
325
326

Saturday 23

First Quarter 53%

13:01

02:57

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

Sun - Rise: 05:41, Set: 21:36, Transit: 13:39. Moon - Rise: 13:01, Set: 02:57. Civil Dark: 22:19 - 04:58. Nautical Dark: 23:18 - 03:58. Astro Dark: 01:03 - 02:06

Total Clouds (% Sky Obscured)

24
31
38
51
35
20
2
12
21
31
28
22
21
18
16
14
23
35
45

Low Clouds (% Sky Obscured)

24
15
8
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
21
30
39
22
8
2
4
8
12
14
11
5
2
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

24
25
25
25
25
24
23
23
21
19
17
17
16
16
16
16
15
16
17

Feels Like (°C)

21
22
27
27
26
27
26
27
24
23
23
23
22
22
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

49
45
44
43
42
46
51
57
61
62
66
69
73
75
79
82
86
82
78

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

327
327
327
327
326
326
326
326
326
326
326
327
327
328
327
327
326
326
327

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

Generated: 17/05/26 13:47:02. Forecast: 17/05/26 to 23/05/26. Timezone: UTC+2.00