Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 4%

04:41

19:12

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

Sun - Rise: 07:09, Set: 20:12, Transit: 13:39. Moon - Rise: 04:41, Set: 19:12. Civil Dark: 20:45 - 06:36. Nautical Dark: 21:26 - 05:55. Astro Dark: 22:09 - 05:12

Total Clouds (% Sky Obscured)

90
92
94
95
100
88
45
51
0
12
18
22
45
32
28
40
42
37
63
85
74
66
81
94

Low Clouds (% Sky Obscured)

62
75
90
71
88
82
36
51
0
8
14
16
26
27
24
31
33
28
38
67
74
57
66
84

Medium Clouds (% Sky Obscured)

90
92
94
77
29
11
0
0
0
0
0
4
18
0
0
0
0
0
24
19
2
13
7
7

High Clouds (% Sky Obscured)

90
92
94
30
40
22
0
0
0
0
0
0
0
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
Light Rain
Light Rain
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 (%)

95
95
95
78
52
39
11
19
4
3
3
17
3
13
14
4
1
3
22
11
27
31
26
19

Precipitation Amount (mm)

0
0.7
0.8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
15
14
14
14
16
14
14
12
11
10
10
10
10
9
9
9
9
9
8
10
9
8
9

Relative Humidity (%)

45
69
77
82
81
88
87
92
84
86
86
86
89
88
88
90
88
83
71
61
64
57
51
52

Pressure (mb)

1007
1006
1006
1006
1005
1006
1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016

Ozone (du)

299
299
300
303
306
308
314
319
322
325
325
324
326
327
329
332
336
345
350
351
352
341
336
334

Wednesday 9

Waning Crescent 1%

06:07

19:30

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

Sun - Rise: 07:10, Set: 20:10, Transit: 13:39. Moon - Rise: 06:07, Set: 19:30. Civil Dark: 20:43 - 06:37. Nautical Dark: 21:23 - 05:57. Astro Dark: 22:07 - 05:14

Total Clouds (% Sky Obscured)

86
88
89
62
16
10
10
4
5
22
30
36
56
70
76
85
65
42
42
81
75
86
100
100

Low Clouds (% Sky Obscured)

68
85
68
62
10
5
5
2
2
9
15
17
54
69
76
82
61
42
42
75
54
32
26
19

Medium Clouds (% Sky Obscured)

6
6
7
4
1
0
0
0
0
0
0
0
1
3
2
11
14
5
0
16
0
27
29
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
43
30
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
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 (%)

5
6
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

12
11
11
10
7
5
3
3
2
2
3
3
4
4
4
4
4
4
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

18
18
18
17
16
14
13
12
12
11
10
10
9
9
9
9
9
11
14
16
17
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
52
54
57
58
68
72
75
77
79
76
76
76
74
72
69
69
66
63
62
54
44
40
38

Pressure (mb)

1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1019
1019

Ozone (du)

334
334
336
335
333
334
336
337
337
337
335
332
331
329
328
327
327
323
319
317
315
314
313
313

Thursday 10

Waning Crescent 0%

07:29

19:45

16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 07:12, Set: 20:07, Transit: 13:39. Moon - Rise: 07:29, Set: 19:45. Civil Dark: 20:41 - 06:39. Nautical Dark: 21:21 - 05:59. Astro Dark: 22:04 - 05:16

Total Clouds (% Sky Obscured)

94
94
86
30
48
72
100
100
100
100
100
100
100
100
99
97
89
94
88
85
58
52
85
93

Low Clouds (% Sky Obscured)

13
12
14
17
25
23
12
4
0
15
16
0
22
25
40
60
31
53
67
63
27
18
55
70

Medium Clouds (% Sky Obscured)

24
13
17
4
0
0
0
0
14
42
26
66
99
100
97
96
65
47
29
26
25
24
24
29

High Clouds (% Sky Obscured)

59
69
53
3
15
44
100
100
100
100
100
100
100
71
2
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
0
1
6
0
0
0
0
2
4
7
12

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
5
5
4
3
3
3
4
3
3
4
4
4
5
5
5
5
6
7
9
9
9
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
37
37
44
50
52
52
56
61
64
65
65
69
66
65
68
72
69
62
51
46
42
49
56

Pressure (mb)

1018
1018
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1018
1019
1019

Ozone (du)

313
313
314
312
310
306
305
306
307
310
314
315
316
313
312
312
314
314
314
316
317
317
313
310

Friday 11

New Moon 2%

08:48

19:58

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

Sun - Rise: 07:14, Set: 20:05, Transit: 13:38. Moon - Rise: 08:48, Set: 19:58. Civil Dark: 20:38 - 06:40. Nautical Dark: 21:18 - 06:00. Astro Dark: 22:01 - 05:18

Total Clouds (% Sky Obscured)

96
94
93
91
90
90
90
83
74
44
40
38
49
60
94
81
60
79
75
55
48
91
95
97

Low Clouds (% Sky Obscured)

43
83
30
27
50
61
57
52
72
41
38
32
34
34
37
40
34
24
16
17
14
14
16
15

Medium Clouds (% Sky Obscured)

26
26
26
22
17
12
12
7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
4
30

High Clouds (% Sky Obscured)

35
20
15
15
20
25
45
45
27
2
0
0
0
3
37
20
9
36
40
29
30
69
86
93

ISS Passover

Visibility (miles)

9
4
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 (%)

29
27
21
6
15
15
4
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
73
75
81
86
87
87
89
87
89
90
90
92
92
90
90
80
71
62
54
49
44
41

Pressure (mb)

1019
1019
1019
1020
1020
1021
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1024
1024
1024
1023

Ozone (du)

309
309
309
310
311
312
313
313
315
313
313
313
314
311
306
303
300
298
297
296
295
293
293
293

Saturday 12

Waxing Crescent 7%

10:06

20:11

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

Sun - Rise: 07:15, Set: 20:03, Transit: 13:38. Moon - Rise: 10:06, Set: 20:11. Civil Dark: 20:36 - 06:42. Nautical Dark: 21:16 - 06:02. Astro Dark: 21:58 - 05:20

Total Clouds (% Sky Obscured)

81
86
86
88
91
71
55
50
31
30
19
16
14
27
64
96
69
85
100
94
89
82
81
81

Low Clouds (% Sky Obscured)

14
13
10
6
3
2
0
4
0
0
0
0
5
9
18
71
54
54
58
67
76
71
67
63

Medium Clouds (% Sky Obscured)

40
44
4
3
1
4
1
2
4
30
19
8
12
3
14
21
34
44
53
67
76
82
60
36

High Clouds (% Sky Obscured)

34
50
77
80
86
71
55
50
28
12
7
10
5
20
52
82
59
77
100
93
85
81
60
44

ISS Passover

Visibility (miles)

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

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
3
28
36
41
47
47
42
46
48

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
20
20
18
16
16
16
15
13
12
12
12
12
12
11
10
11
12
15
14
14
14
20

Dew Point (°C)

8
8
8
9
9
10
11
10
10
10
10
10
10
9
10
10
10
10
13
16
16
16
17
17

Relative Humidity (%)

40
39
39
46
52
61
72
72
74
79
83
84
83
83
84
86
81
83
86
88
84
78
76
74

Pressure (mb)

1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

293
293
292
293
293
293
293
293
293
293
293
293
293
295
297
297
298
298
297
297
299
301
303
305

Sunday 13

Waxing Crescent 6%

11:24

20:25

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

Sun - Rise: 07:17, Set: 20:01, Transit: 13:38. Moon - Rise: 11:24, Set: 20:25. Civil Dark: 20:34 - 06:44. Nautical Dark: 21:14 - 06:04. Astro Dark: 21:56 - 05:22

Total Clouds (% Sky Obscured)

84
76
67
62
45
28
11
31
51
74
68
57
42
42
42
41
39
36
32
23
14
5
4
3

Low Clouds (% Sky Obscured)

61
62
59
48
34
20
5
4
3
2
1
1
0
0
0
0
0
0
0
1
1
2
2
1

Medium Clouds (% Sky Obscured)

8
6
2
0
0
0
0
2
7
11
12
13
12
12
13
13
10
10
10
8
4
0
0
0

High Clouds (% Sky Obscured)

30
23
18
0
2
3
5
26
46
67
56
53
42
35
24
17
10
7
5
3
3
2
2
2

ISS Passover

Visibility (miles)

7
6
7
8
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

Very Light Rain
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 (%)

50
43
36
25
22
16
5
9
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
5
4
3
2
2
3
3
3
3
3
3
3
3
3
3
4
5
5
6
6
6

Chance of Frost

Temperature (°C)

22
22
21
20
19
18
17
16
15
15
14
14
13
13
13
13
13
16
18
20
21
23
24
25

Feels Like (°C)

20
19
20
20
20
17
18
18
18
17
17
14
14
14
14
14
14
16
17
18
19
19
20
27

Dew Point (°C)

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

Relative Humidity (%)

72
70
71
71
72
77
81
86
87
87
89
89
89
90
92
93
93
83
74
68
61
54
50
47

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023

Ozone (du)

306
307
304
301
297
296
294
293
292
291
289
287
285
282
281
279
278
277
275
274
273
271
270
270

Monday 14

Waxing Crescent 13%

12:41

20:41

16 Good
17 Good
18 Good
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
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 07:18, Set: 19:58, Transit: 13:37. Moon - Rise: 12:41, Set: 20:41. Civil Dark: 20:31 - 06:45. Nautical Dark: 21:11 - 06:06. Astro Dark: 21:53 - 05:24

Total Clouds (% Sky Obscured)

2
2
2
2
2
1
1
3
4
5
4
3
3
2
1
0
0
0
0
4
8
12

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4

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

High Clouds (% Sky Obscured)

2
2
2
2
2
1
1
3
4
5
4
3
3
2
1
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
26
26
26
27
22
22
22
22
21
20
18
18
17
17
17
17
18
19
20
20
20

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
13
13
12

Relative Humidity (%)

45
42
47
51
55
60
63
69
71
73
75
79
80
82
82
82
82
72
64
56
51
47

Pressure (mb)

1022
1022
1022
1021
1021
1021
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018

Ozone (du)

270
270
270
270
270
270
270
270
270
270
269
269
269
268
269
270
271
271
271
270
271
271

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

Generated: 08/09/26 16:17:52. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+2.00