Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 16

Waxing Crescent 30%

13:55

21:27

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

Sun - Rise: 07:20, Set: 19:54, Transit: 13:37. Moon - Rise: 13:55, Set: 21:27. Civil Dark: 20:27 - 06:47. Nautical Dark: 21:06 - 06:07. Astro Dark: 21:48 - 05:26

Total Clouds (% Sky Obscured)

88
80
88
61
51
71
56
13
22
42
48
72
87
56
41
53
47
24
27
33
28
7
22
14

Low Clouds (% Sky Obscured)

39
39
29
27
29
58
56
10
17
25
36
61
82
42
35
37
39
19
25
33
28
5
7
9

Medium Clouds (% Sky Obscured)

38
18
0
12
21
16
3
0
0
17
12
11
13
13
0
10
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

3
0
0
44
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
16
1

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 (%)

8
0
0
5
11
10
19
9
20
18
23
31
26
9
9
4
5
3
3
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
18
17
16
15
14
13
15
15
16
16
15
14
16
17
16
15
16
15
14
13
13
11

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
93
89
87
87
87
86
78
67
58
52
55
53
53
54
59
63
68
68
68
74
77

Pressure (mb)

1014
1015
1014
1015
1015
1015
1015
1016
1017
1017
1017
1017
1017
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

286
292
296
298
301
307
312
314
319
326
328
330
331
331
332
331
333
332
332
330
321
317
314
312

Thursday 17

Waxing Crescent 39%

15:04

22:02

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

Sun - Rise: 07:21, Set: 19:52, Transit: 13:36. Moon - Rise: 15:04, Set: 22:02. Civil Dark: 20:24 - 06:48. Nautical Dark: 21:04 - 06:09. Astro Dark: 21:45 - 05:28

Total Clouds (% Sky Obscured)

12
39
87
96
100
100
97
97
87
100
100
100
100
100
100
100
100
100
84
94
79
81
76
89

Low Clouds (% Sky Obscured)

2
10
13
17
18
23
22
40
76
39
67
49
77
95
64
72
82
91
83
78
77
81
30
32

Medium Clouds (% Sky Obscured)

0
0
6
11
83
92
95
93
64
86
89
27
49
95
98
100
100
92
78
89
45
65
61
75

High Clouds (% Sky Obscured)

10
26
71
74
100
90
15
15
15
100
100
100
94
100
100
100
44
35
30
30
30
29
30
25

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
8
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
5
6
16
3
1
3
3
11
16
22
25
41
19
11
39
21
5
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
86
88
92
90
88
89
87
82
74
67
63
54
50
52
48
50
60
67
68
66
82
82
89

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

308
304
302
300
299
298
297
297
296
297
298
298
298
297
298
299
300
301
301
299
300
301
303
304

Friday 18

First Quarter 49%

16:03

22:48

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

Sun - Rise: 07:23, Set: 19:49, Transit: 13:36. Moon - Rise: 16:03, Set: 22:48. Civil Dark: 20:22 - 06:50. Nautical Dark: 21:01 - 06:11. Astro Dark: 21:42 - 05:30

Total Clouds (% Sky Obscured)

85
70
75
85
23
19
12
2
3
10
29
21
21
18
23
62
44
47
86
62
79
77
84
85

Low Clouds (% Sky Obscured)

31
19
15
11
10
14
9
2
3
10
29
21
21
18
23
61
21
31
0
9
18
21
19
21

Medium Clouds (% Sky Obscured)

85
40
71
67
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
23
20
66

High Clouds (% Sky Obscured)

30
40
50
59
1
0
0
0
0
0
0
0
0
0
0
13
30
23
82
43
61
51
43
29

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 (%)

4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
11
10
11
10
11
12
13
15
16
16
17
17
18
18
16
18
14
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
87
87
87
87
85
76
67
57
47
43
41
38
37
37
39
47
54
60
66
70
76

Pressure (mb)

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

Ozone (du)

304
304
304
305
304
305
308
311
312
309
308
305
304
303
302
300
297
296
294
293
291
288
285
283

Saturday 19

Waxing Gibbous 59%

16:51

23:47

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:24, Set: 19:47, Transit: 13:36. Moon - Rise: 16:51, Set: 23:47. Civil Dark: 20:20 - 06:52. Nautical Dark: 20:59 - 06:13. Astro Dark: 21:40 - 05:32

Total Clouds (% Sky Obscured)

81
87
93
99
99
99
100
100
100
100
100
100
100
100
100
100
97
95
93
95
97
99
99
99

Low Clouds (% Sky Obscured)

23
67
62
35
70
84
97
98
97
100
95
91
86
60
95
99
85
49
85
85
19
19
19
25

Medium Clouds (% Sky Obscured)

75
87
93
96
97
90
88
100
88
55
28
30
25
24
23
22
17
40
69
17
85
63
57
29

High Clouds (% Sky Obscured)

15
41
65
89
48
50
79
94
99
100
100
100
100
100
100
100
78
60
40
72
85
94
93
88

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

Precipitation Probability (%)

0
0
0
0
1
4
7
29
29
30
32
37
40
34
25
9
15
15
16
13
8
0
5
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
78
76
79
76
74
74
79
79
75
74
72
70
62
63
60
57
58
61
66
73
76
77

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1020
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

282
283
285
287
287
289
290
290
290
290
292
293
293
294
292
291
291
291
292
290
289
289
288
288

Sunday 20

Waxing Gibbous 68%

17:27

00:54

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:26, Set: 19:45, Transit: 13:35. Moon - Rise: 17:27, Set: 00:54. Civil Dark: 20:18 - 06:53. Nautical Dark: 20:57 - 06:14. Astro Dark: 21:37 - 05:34

Total Clouds (% Sky Obscured)

88
99
88
98
92
85
96
100
100
100
100
100
100
99
99
98
92
87
83
89
92
95
88
84

Low Clouds (% Sky Obscured)

41
31
42
96
80
63
67
73
55
41
42
35
31
26
21
14
0
0
0
8
17
26
22
18

Medium Clouds (% Sky Obscured)

27
99
78
18
19
15
12
7
5
3
0
0
0
6
10
11
12
13
14
16
22
21
19
17

High Clouds (% Sky Obscured)

60
63
14
1
23
45
72
100
100
100
100
100
100
97
95
94
89
79
79
83
86
55
46
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
5
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 (%)

2
14
20
25
23
19
18
13
22
4
6
5
1
5
4
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)

11
10
10
10
10
9
9
9
9
10
10
10
11
11
10
10
10
9
7
5
4
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
15
15
16
16
16
16
15
14
12
11
9
8
7
7
5
6
7
8
8
9
9
9

Relative Humidity (%)

77
82
87
93
93
95
96
96
92
81
70
60
52
48
45
42
39
46
53
61
65
68
72
74

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1024
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1030
1030
1030

Ozone (du)

290
293
294
292
293
293
294
294
292
291
292
291
289
288
287
286
284
283
282
281
281
280
280
279

Monday 21

Waxing Gibbous 77%

17:54

00:54

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

Sun - Rise: 07:28, Set: 19:43, Transit: 13:35. Moon - Rise: 17:54, Set: 00:54. Civil Dark: 20:15 - 06:55. Nautical Dark: 20:54 - 06:16. Astro Dark: 21:35 - 05:35

Total Clouds (% Sky Obscured)

79
79
76
77
70
61
49
46
43
43
57
68
73
77
78
76
64
50
31
23
16
9
12
15

Low Clouds (% Sky Obscured)

14
10
6
2
8
14
18
16
16
18
17
19
21
22
26
31
26
22
18
12
6
0
1
3

Medium Clouds (% Sky Obscured)

12
14
12
10
10
8
8
9
9
10
12
18
22
23
23
30
20
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
38
35
33
23
14
2
2
1
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1

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
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
12
11
11
11
13
13
14
15
15
16
22
22
21
22
23
22
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
76
77
75
75
72
66
60
54
54
52
51
52
52
53
61
70
81
83
87
90
93

Pressure (mb)

1030
1031
1031
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1031
1030

Ozone (du)

279
278
278
277
276
277
277
278
278
278
277
277
276
276
275
273
272
272
271
270
270
270
269
269

Tuesday 22

Waxing Gibbous 85%

18:14

02:07

Sun - Rise: 07:29, Set: 19:40, Transit: 13:35. Moon - Rise: 18:14, Set: 02:07. Civil Dark: 20:13 - 06:56. Nautical Dark: 20:52 - 06:18. Astro Dark: 21:32 - 05:37

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 16/09/26 01:39:07. Forecast: 16/09/26 to 22/09/26. Timezone: UTC+2.00