Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 43%

13:34

23:59

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

Sun - Rise: 05:54, Set: 21:45, Transit: 13:49. Moon - Rise: 13:34, Set: 23:59. Civil Dark: 22:27 - 05:12. Nautical Dark: 23:25 - 04:14. Astro Dark: 01:05 - 02:38

Total Clouds (% Sky Obscured)

76
85
71
98
100
68
37
52
71
59
24
12
7
0
0
0
0
0
0
0
0
0
2
13

Low Clouds (% Sky Obscured)

76
44
61
55
21
45
19
7
24
22
18
8
0
0
0
0
0
0
0
0
0
0
2
13

Medium Clouds (% Sky Obscured)

0
0
28
28
28
24
26
25
26
22
9
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
28
94
100
8
8
38
58
46
7
7
7
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
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)

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

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
21
22
22
22
22
21
20
18
17
16
15
14
13
13
12
12
11
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
53
48
49
49
45
39
36
36
37
38
45
53
60
66
70
74
76
80
83
84
86
84

Pressure (mb)

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

Ozone (du)

352
351
348
347
350
352
351
351
351
350
349
350
351
352
352
351
352
354
355
354
352
350
347
344

Tuesday 21

First Quarter 53%

14:49

00:14

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

Sun - Rise: 05:55, Set: 21:43, Transit: 13:49. Moon - Rise: 14:49, Set: 00:14. Civil Dark: 22:25 - 05:13. Nautical Dark: 23:23 - 04:16. Astro Dark: 00:59 - 02:44

Total Clouds (% Sky Obscured)

14
18
30
25
38
33
32
34
32
69
47
15
18
6
5
3
8
17
19
26
32
64
91
88

Low Clouds (% Sky Obscured)

14
18
28
25
30
29
32
34
32
28
15
12
15
5
5
3
8
17
19
26
26
32
70
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
41
28
2
0
0
0
0
0
0
0
0
0
0
4
0

High Clouds (% Sky Obscured)

0
0
2
5
13
8
2
2
2
0
1
0
0
0
0
0
0
0
0
0
5
53
66
85

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
2
3
8

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
6
7
8
8
8
8
10
11
11
11
11
10
8
7
6
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

14
15
17
19
20
21
22
23
24
24
23
22
20
19
17
16
15
14
14
13
13
13
13
14

Feels Like (°C)

14
16
17
18
19
20
21
22
22
22
21
20
18
18
16
15
15
15
15
15
14
14
12
14

Dew Point (°C)

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

Relative Humidity (%)

74
66
57
47
39
35
33
31
31
34
36
39
47
59
71
80
84
84
86
86
87
90
90
87

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025

Ozone (du)

341
341
339
337
338
337
337
337
335
336
335
336
336
335
335
335
336
336
336
338
339
338
338
337

Wednesday 22

Waxing Gibbous 63%

16:03

00:33

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
07 Bad

Sun - Rise: 05:57, Set: 21:42, Transit: 13:49. Moon - Rise: 16:03, Set: 00:33. Civil Dark: 22:24 - 05:15. Nautical Dark: 23:21 - 04:18. Astro Dark: 00:54 - 02:49

Total Clouds (% Sky Obscured)

87
94
100
99
100
100
100
98
88
97
90
78
59
59
57
64
60
87
91
89
87
90
95
100

Low Clouds (% Sky Obscured)

87
80
72
96
72
65
67
69
75
64
34
30
24
26
17
14
10
68
86
89
87
90
91
89

Medium Clouds (% Sky Obscured)

0
0
0
45
45
45
43
83
70
52
67
63
29
28
23
28
8
5
3
2
0
0
0
0

High Clouds (% Sky Obscured)

75
90
68
92
100
90
100
82
71
89
60
14
32
32
28
36
37
32
29
15
0
24
55
81

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 (%)

1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
11
18
18
17
20
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
66
63
63
58
55
54
52
53
55
50
51
55
61
73
78
83
82
71
67
65
63
66
61

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

337
337
336
337
336
336
337
337
338
341
345
347
349
351
353
352
353
355
356
359
358
353
350
346

Thursday 23

Waxing Gibbous 72%

17:16

00:57

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

Sun - Rise: 05:58, Set: 21:41, Transit: 13:49. Moon - Rise: 17:16, Set: 00:57. Civil Dark: 22:22 - 05:17. Nautical Dark: 23:19 - 04:20. Astro Dark: 00:48 - 02:54

Total Clouds (% Sky Obscured)

100
100
100
88
76
53
65
46
38
25
19
16
18
14
11
20
30
44
51
58
61
68
68
80

Low Clouds (% Sky Obscured)

88
88
88
81
68
28
17
19
20
13
6
0
0
0
0
6
12
16
17
19
21
19
17
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
8
12
13
11
9
20
26
37
35
38
36
34
31
29

High Clouds (% Sky Obscured)

87
86
86
63
44
17
29
15
10
6
6
8
7
5
5
3
2
2
17
29
45
51
50
71

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 (%)

18
11
0
2
1
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)

7
7
7
7
7
9
9
10
10
10
10
10
9
7
5
4
2
2
2
2
1
1
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
63
63
57
50
46
40
39
38
37
37
41
46
54
64
71
74
74
76
78
78
79
79
74

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019

Ozone (du)

343
339
336
333
330
327
326
325
323
320
319
317
316
315
314
313
313
313
313
313
314
315
316
318

Friday 24

Waxing Gibbous 80%

18:25

01:29

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 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 05:59, Set: 21:39, Transit: 13:49. Moon - Rise: 18:25, Set: 01:29. Civil Dark: 22:21 - 05:18. Nautical Dark: 23:17 - 04:22. Astro Dark: 00:44 - 02:58

Total Clouds (% Sky Obscured)

98
88
99
100
100
100
100
100
100
100
100
100
81
77
71
57
42
31
48
66
84
66
51
36

Low Clouds (% Sky Obscured)

17
15
10
9
6
4
3
2
1
1
19
37
16
10
2
1
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

28
26
23
25
24
24
20
15
12
27
28
37
21
26
27
24
25
23
21
19
20
21
22
23

High Clouds (% Sky Obscured)

97
77
98
100
100
100
100
100
100
100
100
100
72
74
71
57
38
21
35
52
68
56
41
23

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)

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

Chance of Frost

Temperature (°C)

16
18
20
22
23
24
26
27
27
27
27
26
26
23
21
19
19
18
17
17
17
16
16
17

Feels Like (°C)

16
17
21
21
22
23
24
25
24
25
25
23
23
22
21
21
21
21
20
17
17
16
16
15

Dew Point (°C)

9
9
8
8
9
9
9
8
8
8
8
9
10
8
8
8
8
9
9
9
9
9
10
10

Relative Humidity (%)

64
53
45
40
38
36
34
31
30
29
30
33
37
40
44
48
51
54
57
59
61
62
64
65

Pressure (mb)

1019
1019
1019
1018
1018
1017
1016
1015
1015
1014
1013
1013
1013
1012
1012
1011
1011
1010
1009
1009
1008
1008
1007
1007

Ozone (du)

318
318
319
321
321
322
324
325
325
326
326
326
328
330
331
333
334
336
337
337
337
337
336
336

Saturday 25

Waxing Gibbous 88%

19:26

02:13

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
07 Bad

Sun - Rise: 06:01, Set: 21:38, Transit: 13:49. Moon - Rise: 19:26, Set: 02:13. Civil Dark: 22:19 - 05:20. Nautical Dark: 23:15 - 04:24. Astro Dark: 00:39 - 03:03

Total Clouds (% Sky Obscured)

56
74
92
92
92
92
96
98
100
100
100
100
100
99
99
85
72
59
58
55
57
71
86
100

Low Clouds (% Sky Obscured)

4
9
16
18
21
26
38
47
53
53
54
56
66
76
86
68
52
44
58
55
57
71
86
95

Medium Clouds (% Sky Obscured)

26
30
38
50
59
67
77
87
97
97
99
100
99
98
97
85
72
59
58
55
48
65
82
100

High Clouds (% Sky Obscured)

45
68
92
84
77
70
81
90
99
77
56
35
30
20
15
8
6
6
5
4
1
1
1
0

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

Precipitation Probability (%)

0
0
0
1
1
0
1
2
1
19
25
30
39
46
54
54
55
56
50
39
21
25
25
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
19
20
22
23
23
24
23
22
22
20
19
17
17
16
16
15
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
56
47
40
36
32
29
33
36
41
51
64
81
83
86
89
90
92
92
93
93
93
95
95

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

335
335
336
336
338
340
343
341
339
337
337
336
336
338
340
342
343
344
345
347
349
351
352
353

Sunday 26

Waxing Gibbous 93%

20:17

03:08

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: 06:02, Set: 21:37, Transit: 13:49. Moon - Rise: 20:17, Set: 03:08. Civil Dark: 22:18 - 05:21. Nautical Dark: 23:13 - 04:26. Astro Dark: 00:34 - 03:07

Total Clouds (% Sky Obscured)

98
96
95
87
79
69
75
81
88
91
93
94
96
98
100
95
91
87

Low Clouds (% Sky Obscured)

93
89
86
72
57
43
43
43
43
54
68
77
78
79
80
60
39
18

Medium Clouds (% Sky Obscured)

97
94
92
83
75
67
74
80
87
80
70
64
54
48
40
46
55
61

High Clouds (% Sky Obscured)

3
7
15
28
47
60
45
39
34
14
5
0
30
60
90
91
91
87

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

26
26
26
31
35
37
45
50
52
53
49
40
33
24
5
9
9
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
15
16
16
16
16
23
22
22
22
22
23
18
17
17
17
17

Dew Point (°C)

13
13
13
13
12
12
11
11
11
11
11
12
12
12
11
11
11
11

Relative Humidity (%)

93
89
82
78
68
58
51
51
50
49
53
58
64
65
66
66
71
75

Pressure (mb)

1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

354
356
357
359
361
362
364
364
364
364
364
365
365
365
365
365
366
368

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

Generated: 20/07/26 08:42:20. Forecast: 20/07/26 to 26/07/26. Timezone: UTC+2.00