Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waning Crescent 36%

01:04

16:44

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 Good
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:53, Set: 21:45, Transit: 13:48. Moon - Rise: 01:04, Set: 16:44. Civil Dark: 22:28 - 05:11. Nautical Dark: 23:27 - 04:12. Astro Dark: 01:11 - 02:33

Total Clouds (% Sky Obscured)

75
81
85
100
100
90
100
100
100
100
100
100
81
52
44
8
51
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
28
75
44
71
52
54
58
52
44
8
0
0
0
0
0
0
19
49

Medium Clouds (% Sky Obscured)

22
81
71
15
23
17
33
79
65
76
32
23
0
3
2
0
0
1
2
100
100
100
100
100

High Clouds (% Sky Obscured)

75
81
85
100
100
74
100
100
100
100
100
97
54
0
1
8
51
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
3
6
48
33
72
75
75
30
15
8
2
8
8
8
37
53
44
27
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
8
9
10
11
12
13
15
11
15
15
11
15
9
6
4
3
3
5
5
4
5

Chance of Frost

Temperature (°C)

19
21
23
25
26
28
29
30
27
29
26
24
23
22
21
20
19
18
17
17
17
17
17
18

Feels Like (°C)

18
20
22
23
24
25
26
27
24
25
24
21
20
21
18
20
19
18
18
18
17
17
17
18

Dew Point (°C)

12
13
13
13
11
10
10
11
7
13
11
8
8
10
12
14
15
14
14
14
14
15
16
16

Relative Humidity (%)

63
59
54
46
38
33
30
30
28
37
40
36
38
44
54
66
75
78
81
82
81
89
92
92

Pressure (mb)

1008
1008
1007
1007
1006
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1006
1007
1007
1006
1006
1006
1005
1005
1005

Ozone (du)

317
318
319
322
321
324
323
323
324
325
325
329
334
331
327
324
322
321
319
319
318
319
322
330

Sunday 20

Waning Crescent 25%

01:37

18:13

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

Sun - Rise: 05:54, Set: 21:44, Transit: 13:49. Moon - Rise: 01:37, Set: 18:13. Civil Dark: 22:26 - 05:12. Nautical Dark: 23:25 - 04:14. Astro Dark: 01:04 - 02:39

Total Clouds (% Sky Obscured)

100
100
97
98
100
100
100
100
100
80
33
49
15
5
37
0
0
80
22
25
15
4
12
0

Low Clouds (% Sky Obscured)

51
64
76
55
47
41
68
91
53
59
25
30
0
0
0
0
0
40
19
0
0
0
7
0

Medium Clouds (% Sky Obscured)

69
95
93
91
100
96
100
100
100
80
33
9
6
5
6
0
0
38
7
16
11
1
0
0

High Clouds (% Sky Obscured)

82
100
56
33
98
100
100
100
100
5
5
0
15
0
0
0
0
0
0
0
0
3
5
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

58
77
68
69
79
62
76
51
77
29
3
4
11
11
9
11
34
26
6
6
0
0
0
0

Precipitation Amount (mm)

0
0.4
0.2
0.3
0.6
0.2
0.5
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
17
15
18
18
18
18
19
19
19
15
14
14
14
15
15
15
15
14
14
13
13

Relative Humidity (%)

90
88
84
82
71
84
86
91
89
93
83
78
61
59
62
70
77
85
88
87
86
83
85
85

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1004

Ozone (du)

338
336
335
335
337
337
337
339
338
341
345
355
354
357
358
359
358
356
354
354
353
353
352
353

Monday 21

Waning Crescent 15%

02:25

19:34

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

Sun - Rise: 05:55, Set: 21:43, Transit: 13:49. Moon - Rise: 02:25, Set: 19:34. Civil Dark: 22:25 - 05:14. Nautical Dark: 23:23 - 04:16. Astro Dark: 00:58 - 02:45

Total Clouds (% Sky Obscured)

8
14
64
83
92
85
89
100
100
100
97
100
84
75
70
86
80
97
97
93
94
64
66
71

Low Clouds (% Sky Obscured)

0
0
64
65
46
42
43
56
64
64
48
53
54
45
45
59
50
82
77
68
82
64
66
71

Medium Clouds (% Sky Obscured)

2
14
1
19
57
50
53
57
99
72
48
28
14
23
23
18
11
88
89
81
87
18
17
14

High Clouds (% Sky Obscured)

2
8
0
45
19
0
2
96
100
100
89
86
84
75
9
86
12
5
10
5
1
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
2
35
50
30
77
85
95
92
89
85
86
65
25
22
11
32
35
35
23
19
16
10

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.5
1.1
0.6
0.7
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
17
17
18
18
18
17
16
18
17
17
17
17
15
14
14
13
14
14
13
14
14

Dew Point (°C)

13
13
12
14
14
16
16
14
15
17
18
16
16
16
15
15
15
15
15
15
15
14
14
14

Relative Humidity (%)

82
74
66
68
66
68
65
60
70
82
86
80
86
85
88
90
92
92
93
92
93
92
93
93

Pressure (mb)

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

Ozone (du)

352
350
353
355
352
354
356
359
356
356
359
354
358
356
356
355
354
352
353
354
349
351
350
350

Tuesday 22

Waning Crescent 8%

03:31

20:40

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: 05:57, Set: 21:42, Transit: 13:49. Moon - Rise: 03:31, Set: 20:40. Civil Dark: 22:23 - 05:15. Nautical Dark: 23:21 - 04:18. Astro Dark: 00:52 - 02:50

Total Clouds (% Sky Obscured)

72
77
70
64
72
84
92
86
78
70
80
90
100
92
83
75
80
85
90
91
93
95
95
93

Low Clouds (% Sky Obscured)

72
68
63
54
58
62
67
64
62
59
54
52
45
30
16
3
24
53
64
63
87
90
88
83

Medium Clouds (% Sky Obscured)

11
12
14
15
15
53
44
40
36
70
64
60
68
68
75
75
78
76
66
68
66
61
45
31

High Clouds (% Sky Obscured)

1
0
0
1
1
0
1
6
13
13
42
71
100
70
39
9
6
8
5
5
5
5
4
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

10
11
22
43
69
79
91
95
93
82
63
51
32
41
22
32
71
56
33
25
3
1
7
13

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.7
0.8
0.7
0.5
0.2
0
0
0
0
0
0.6
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
14
13
12
13
15
16
16
18
17
16
17
17
16
15
15
13
13
13
13
12
13

Relative Humidity (%)

93
90
83
71
63
59
63
72
75
70
75
73
76
81
88
92
90
92
87
89
89
89
87
89

Pressure (mb)

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

Ozone (du)

345
343
340
335
332
333
335
335
337
338
338
340
342
342
343
344
346
347
348
349
348
348
350
351

Wednesday 23

Waning Crescent 3%

04:51

21:28

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: 05:58, Set: 21:40, Transit: 13:49. Moon - Rise: 04:51, Set: 21:28. Civil Dark: 22:22 - 05:17. Nautical Dark: 23:19 - 04:20. Astro Dark: 00:47 - 02:55

Total Clouds (% Sky Obscured)

95
95
96
96
70
83
84
92
94
94
75
73
39
73
84
97
98
99
100
94
87
81
80
80

Low Clouds (% Sky Obscured)

83
86
88
91
60
65
61
65
57
36
46
54
22
34
38
49
42
37
27
40
51
64
68
74

Medium Clouds (% Sky Obscured)

33
31
23
18
23
24
25
30
55
62
33
24
22
56
52
37
49
64
79
58
35
14
14
12

High Clouds (% Sky Obscured)

0
1
1
1
34
67
84
92
94
94
64
33
1
33
67
97
98
99
100
89
77
66
73
80

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
21
26
38
49
84
94
92
89
70
53
40
26
27
18
6
5
3
1
3
5
5
11
13

Precipitation Amount (mm)

0
0
0
0
0
0.6
0.8
0.7
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
9
9
9
9
9
9
9
10
10
9
7
6
4
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
81
71
62
52
52
57
58
60
54
50
47
49
55
61
68
72
76
80
80
83
83
80

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

352
353
353
351
350
349
347
345
344
343
342
341
344
347
347
347
347
347
347
346
346
346
346
345

Thursday 24

New Moon 0%

06:16

22:00

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 OK
00 OK
01 Good
02 OK
03 OK
04 OK
05 OK
06 Good

Sun - Rise: 06:00, Set: 21:39, Transit: 13:49. Moon - Rise: 06:16, Set: 22:00. Civil Dark: 22:20 - 05:19. Nautical Dark: 23:17 - 04:23. Astro Dark: 00:42 - 03:00

Total Clouds (% Sky Obscured)

82
79
72
66
66
64
65
65
68
72
77
84
90
82
71
63
46
30
14
19
21
21
20
15

Low Clouds (% Sky Obscured)

80
78
72
64
43
46
51
54
59
64
72
79
84
78
71
63
43
22
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

15
13
11
9
8
10
9
6
5
5
2
2
2
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
61
30
0
0
0
0
0
0
0
0
0
0
0
0
1
5
11
14
19
21
21
20
15

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 (%)

9
24
31
34
38
39
39
34
32
31
29
25
18
12
8
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
67
59
54
50
47
44
46
48
51
52
54
56
61
68
73
77
81
85
84
84
84
79

Pressure (mb)

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

Ozone (du)

345
344
344
343
343
343
343
343
340
336
332
331
329
328
327
326
324
322
320
318
316
314
312
311

Friday 25

Waxing Crescent 1%

No Rise

22:22

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
01 Bad

Sun - Rise: 06:01, Set: 21:38, Transit: 13:49. Moon - Rise: No Rise, Set: 22:22. Civil Dark: 22:19 - 05:20. Nautical Dark: 23:15 - 04:25. Astro Dark: 00:38 - 03:04

Total Clouds (% Sky Obscured)

13
33
53
75
83
91
100
95
89
84
81
80
79
72
72
73
82
91
100

Low Clouds (% Sky Obscured)

2
21
40
59
59
59
59
64
70
75
58
42
18
19
19
24
16
13
20

Medium Clouds (% Sky Obscured)

0
13
26
40
58
74
89
74
56
42
54
71
79
55
28
0
0
0
0

High Clouds (% Sky Obscured)

13
33
40
40
55
71
75
70
74
82
65
51
32
30
25
21
42
64
91

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
1
1
7
9
9
14
16
11
17
16
13
10
6
7
10
11
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
70
65
60
56
52
48
44
50
56
63
64
67
68
70
73
77
77
78

Pressure (mb)

1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

310
309
308
308
307
308
308
309
309
310
311
314
317
319
319
318
317
317
317

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

Generated: 19/07/25 07:02:19. Forecast: 19/07/25 to 25/07/25. Timezone: UTC+2.00