Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 91%

21:02

10:50

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

Sun - Rise: 06:55, Set: 20:32, Transit: 13:42. Moon - Rise: 21:02, Set: 10:50. Civil Dark: 21:06 - 06:21. Nautical Dark: 21:48 - 05:39. Astro Dark: 22:35 - 04:52

Total Clouds (% Sky Obscured)

68
75
81
85
75
56
58
44
83
46
35
18
33
48
59
66
86
84
81
52
73
74
84
81

Low Clouds (% Sky Obscured)

50
20
52
45
29
44
25
13
31
27
11
15
27
42
54
57
81
78
80
36
71
68
75
71

Medium Clouds (% Sky Obscured)

51
75
81
85
26
22
29
22
71
19
20
0
0
0
0
0
13
26
42
8
6
5
6
5

High Clouds (% Sky Obscured)

68
75
81
85
40
1
0
0
0
1
0
0
0
0
3
21
2
29
22
0
0
19
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
3
2
34
20
5
3
38
76
56
16
9
7
0
2
13
22
15
29
55
55
41
55
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0

Wind Speed/Direction (mph)

11
10
9
8
8
7
7
7
9
9
8
9
11
12
13
14
14
16
17
17
19
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
55
53
61
70
72
72
73
74
83
87
86
82
82
85
87
86
82
77
69
60
59
51
54

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

303
303
304
305
306
310
313
316
321
326
327
327
325
325
325
327
327
327
329
330
332
335
336
335

Monday 31

Waning Gibbous 83%

21:16

12:12

16 Bad
17 Bad
18 Bad
19 OK
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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:57, Set: 20:30, Transit: 13:42. Moon - Rise: 21:16, Set: 12:12. Civil Dark: 21:04 - 06:22. Nautical Dark: 21:46 - 05:40. Astro Dark: 22:32 - 04:55

Total Clouds (% Sky Obscured)

75
55
60
26
94
79
99
100
100
100
100
100
100
100
99
94
87
70
76
71
65
73
70
93

Low Clouds (% Sky Obscured)

60
33
60
12
13
13
16
13
18
23
18
22
38
76
36
53
72
70
53
47
28
22
20
30

Medium Clouds (% Sky Obscured)

5
5
3
2
8
5
8
1
17
10
16
17
61
39
90
86
61
42
54
21
11
16
11
11

High Clouds (% Sky Obscured)

0
0
0
0
25
25
97
100
100
100
100
100
100
100
94
37
5
1
2
23
20
21
25
28

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 (%)

20
11
8
14
1
12
7
1
1
1
2
3
15
8
12
2
3
14
7
14
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
50
50
57
63
71
74
81
83
86
86
87
89
90
92
93
92
80
74
62
53
46
42
39

Pressure (mb)

1014
1014
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

333
331
327
325
321
319
318
315
315
315
315
314
315
314
313
314
312
311
312
312
312
312
312
312

Tuesday 1

Waning Gibbous 74%

21:34

13:38

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:58, Set: 20:27, Transit: 13:42. Moon - Rise: 21:34, Set: 13:38. Civil Dark: 21:02 - 06:24. Nautical Dark: 21:43 - 05:42. Astro Dark: 22:29 - 04:57

Total Clouds (% Sky Obscured)

70
85
65
57
58
58
100
57
100
100
100
100
99
100
97
100
100
90
99
100
97
100
97
93

Low Clouds (% Sky Obscured)

28
31
19
11
2
0
13
12
4
0
0
0
15
15
20
26
30
31
52
44
50
49
61
62

Medium Clouds (% Sky Obscured)

3
8
5
8
8
6
7
14
5
48
46
100
96
100
97
60
25
34
40
44
96
80
61
37

High Clouds (% Sky Obscured)

18
30
25
30
43
58
100
57
100
100
100
97
59
50
44
100
100
85
98
100
53
96
86
44

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
10
9
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
6
6
5
4
4
3
2
3
4
4
4
4
5
5
6
6
7
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
37
38
44
51
57
61
61
62
64
67
69
70
76
79
82
80
76
72
64
57
53
47
45

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

312
313
313
316
317
317
315
315
315
312
312
314
317
317
315
311
307
304
302
301
299
299
299
299

Wednesday 2

Waning Gibbous 63%

21:57

15:03

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:00, Set: 20:25, Transit: 13:41. Moon - Rise: 21:57, Set: 15:03. Civil Dark: 20:59 - 06:26. Nautical Dark: 21:41 - 05:44. Astro Dark: 22:27 - 04:59

Total Clouds (% Sky Obscured)

92
95
97
99
100
92
96
94
86
81
61
65
75
76
95
95
95
95
95
97
97
100
99
99

Low Clouds (% Sky Obscured)

75
45
11
8
40
9
22
18
35
35
18
21
39
40
89
93
94
95
95
93
93
90
97
96

Medium Clouds (% Sky Obscured)

40
89
55
51
71
70
62
84
19
25
17
21
25
22
43
52
36
17
32
79
21
25
29
27

High Clouds (% Sky Obscured)

11
52
74
98
95
75
81
44
28
10
15
21
23
16
8
3
35
35
32
12
4
36
4
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
4
5
9
11
26
39
26
13
24
25
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
44
43
47
54
54
61
66
66
67
73
79
78
74
74
73
76
76
78
82
80
75
70
70

Pressure (mb)

1022
1022
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

298
296
297
297
296
295
295
295
294
294
294
292
291
290
291
290
290
290
290
287
287
287
287
285

Thursday 3

Waning Gibbous 51%

22:30

No Set

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:01, Set: 20:23, Transit: 13:41. Moon - Rise: 22:30, Set: No Set. Civil Dark: 20:57 - 06:27. Nautical Dark: 21:38 - 05:46. Astro Dark: 22:24 - 05:01

Total Clouds (% Sky Obscured)

87
99
73
63
56
48
46
47
47
52
67
71
78
82
86
64
68
64
60
59
58
59
62
64

Low Clouds (% Sky Obscured)

60
92
53
34
25
23
22
25
25
28
27
30
35
44
48
48
45
49
55
50
43
37
38
40

Medium Clouds (% Sky Obscured)

26
21
15
8
7
6
6
10
17
19
17
19
17
15
16
13
11
7
6
8
11
14
12
11

High Clouds (% Sky Obscured)

35
34
29
45
35
25
7
4
3
4
16
21
33
35
39
4
2
1
0
0
0
1
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 (%)

33
21
24
14
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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

Chance of Frost

Temperature (°C)

20
21
20
21
21
20
20
19
19
19
18
18
18
18
18
18
18
19
20
21
23
24
25
25

Feels Like (°C)

18
19
19
21
21
21
21
20
19
20
19
18
18
17
17
16
18
18
18
18
19
19
19
25

Dew Point (°C)

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

Relative Humidity (%)

69
68
80
75
77
85
91
91
92
92
93
95
95
95
95
95
95
88
81
75
68
62
57
56

Pressure (mb)

1020
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

286
286
285
285
285
287
288
287
287
286
285
285
285
285
285
284
285
284
284
284
284
284
284
284

Friday 4

Third Quarter 39%

23:18

16:22

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:03, Set: 20:21, Transit: 13:41. Moon - Rise: 23:18, Set: 16:22. Civil Dark: 20:55 - 06:29. Nautical Dark: 21:36 - 05:48. Astro Dark: 22:21 - 05:03

Total Clouds (% Sky Obscured)

61
63
73
85
89
92
94
93
94
95
97
98
99
98
99
98
99
99
100
99
97
96
96
97

Low Clouds (% Sky Obscured)

39
49
59
66
57
47
39
46
54
61
65
69
72
75
76
78
64
46
18
11
11
14
14
14

Medium Clouds (% Sky Obscured)

8
21
34
48
64
82
94
90
87
85
86
86
87
86
83
83
63
39
16
21
23
21
26
26

High Clouds (% Sky Obscured)

0
8
24
39
44
51
55
60
66
72
82
88
94
92
90
89
90
95
100
99
97
95
88
84

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 (%)

2
6
11
13
13
12
7
19
23
26
32
32
32
32
30
25
24
18
8
8
7
3
5
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
53
59
63
68
72
75
79
82
86
91
90
90
90
88
85
82
76
70
64
56
49
42
42

Pressure (mb)

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

Ozone (du)

285
286
286
286
286
288
289
290
292
293
294
295
296
297
301
305
309
310
311
312
313
313
313
314

Saturday 5

Waning Crescent 28%

00:24

17:27

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
13 OK

Sun - Rise: 07:04, Set: 20:19, Transit: 13:40. Moon - Rise: 00:24, Set: 17:27. Civil Dark: 20:52 - 06:31. Nautical Dark: 21:33 - 05:50. Astro Dark: 22:18 - 05:06

Total Clouds (% Sky Obscured)

99
98
97
96
89
81
73
75
78
80
79
77
75
71
66
58
63
69
74
65
55
46

Low Clouds (% Sky Obscured)

11
9
6
4
2
2
0
0
0
0
1
1
2
2
1
0
1
3
4
3
2
1

Medium Clouds (% Sky Obscured)

26
18
11
6
2
3
3
5
7
9
9
8
7
6
5
3
3
3
3
3
3
3

High Clouds (% Sky Obscured)

81
87
91
95
82
68
53
59
67
72
75
76
71
59
51
49
42
26
10
10
11
10

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 (%)

8
7
5
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)

10
10
8
7
5
4
4
3
4
4
4
4
3
3
3
3
3
3
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
41
45
48
52
54
56
58
61
64
66
70
74
76
76
76
76
67
59
51
46
42

Pressure (mb)

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

Ozone (du)

314
314
314
314
315
314
314
314
313
313
312
311
309
308
307
306
305
304
304
303
302
301

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

Generated: 30/08/26 16:17:57. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+2.00