Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waxing Crescent 1%

08:34

21:25

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

Sun - Rise: 06:29, Set: 21:07, Transit: 13:47. Moon - Rise: 08:34, Set: 21:25. Civil Dark: 21:44 - 05:52. Nautical Dark: 22:31 - 05:05. Astro Dark: 23:28 - 04:09

Total Clouds (% Sky Obscured)

2
2
1
1
7
4
3
3
3
3
4
3
0
0
30
0
2
2
4
21
23
13
25
22

Low 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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
16
13
7
12
12

High Clouds (% Sky Obscured)

0
0
0
1
6
3
3
3
3
3
3
3
0
0
27
0
2
2
0
0
1
2
2
2

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)

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

Chance of Frost

Temperature (°C)

33
34
35
35
36
35
34
31
28
27
26
24
23
22
21
21
20
20
22
25
29
32
34
35

Feels Like (°C)

33
34
35
35
36
35
32
30
27
26
25
24
23
21
20
20
20
20
22
25
29
32
34
35

Dew Point (°C)

2
1
1
2
2
2
4
4
4
5
6
5
4
3
2
2
3
3
4
3
4
5
5
5

Relative Humidity (%)

13
12
12
12
12
12
15
18
21
25
27
28
28
29
28
28
31
32
29
24
20
17
16
15

Pressure (mb)

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

Ozone (du)

306
305
304
305
305
303
302
302
303
303
304
305
305
305
305
305
304
304
304
305
304
303
304
305

Friday 14

Waxing Crescent 4%

09:55

21:39

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

Sun - Rise: 06:30, Set: 21:05, Transit: 13:47. Moon - Rise: 09:55, Set: 21:39. Civil Dark: 21:41 - 05:54. Nautical Dark: 22:29 - 05:07. Astro Dark: 23:25 - 04:12

Total Clouds (% Sky Obscured)

24
8
30
10
27
20
8
63
82
57
61
66
73
39
45
51
38
47
64
60
93
80
43
57

Low 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
0
0

Medium Clouds (% Sky Obscured)

13
4
19
7
15
14
4
17
48
57
61
66
73
26
32
37
26
41
64
60
71
34
14
21

High Clouds (% Sky Obscured)

2
2
1
2
2
0
3
38
38
2
1
21
0
0
0
0
1
2
23
33
79
54
28
37

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
1
1
1
0
2
3
4
3
15
27
22
12
8
23

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
4
5
9
14
11
11
9
7
6
5
5
5
5
6
5
5
6
7
7
7
7
8
7

Chance of Frost

Temperature (°C)

37
37
38
37
36
35
32
29
26
25
24
24
24
23
22
21
20
20
21
22
24
25
28
30

Feels Like (°C)

37
38
38
35
32
32
30
28
25
24
23
23
22
22
23
22
22
21
22
22
23
24
26
30

Dew Point (°C)

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

Relative Humidity (%)

14
14
13
13
16
18
22
31
39
40
41
41
41
45
48
51
56
56
51
48
50
45
34
27

Pressure (mb)

1016
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

304
304
303
302
301
301
300
299
299
300
300
301
302
302
305
305
304
303
303
302
302
303
303
304

Saturday 15

Waxing Crescent 10%

11:13

21:52

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:32, Set: 21:03, Transit: 13:46. Moon - Rise: 11:13, Set: 21:52. Civil Dark: 21:39 - 05:55. Nautical Dark: 22:26 - 05:09. Astro Dark: 23:21 - 04:14

Total Clouds (% Sky Obscured)

98
81
92
100
100
100
100
100
99
100
100
100
100
100
100
100
98
100
100
100
100
75
55
52

Low Clouds (% Sky Obscured)

0
0
2
1
2
0
0
0
0
8
14
9
9
20
32
47
45
55
57
47
38
35
46
48

Medium Clouds (% Sky Obscured)

16
16
37
22
24
45
45
45
61
69
48
50
20
17
29
47
49
42
25
10
0
2
3
5

High Clouds (% Sky Obscured)

97
67
89
100
99
100
100
100
91
100
100
100
100
100
100
100
89
100
100
100
100
60
26
12

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 (%)

10
4
21
19
1
0
0
0
0
2
15
21
7
4
2
6
0
0
1
1
1
1
1
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
8
9
8
8
14
11
10
9
8
7
6
6
6
6
6
6
6
7
7
7
8
8
7

Chance of Frost

Temperature (°C)

31
32
32
31
30
28
26
24
22
21
21
21
20
20
19
18
18
18
18
19
20
22
23
24

Feels Like (°C)

32
30
30
30
28
25
23
22
21
21
20
20
20
19
18
18
17
16
16
17
19
20
23
25

Dew Point (°C)

8
8
8
7
6
11
14
15
17
17
17
16
16
16
16
15
15
15
14
14
13
13
12
12

Relative Humidity (%)

24
23
22
22
22
36
47
58
71
76
76
75
75
78
81
82
82
82
76
70
63
56
49
44

Pressure (mb)

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

Ozone (du)

304
304
304
304
306
307
309
309
309
310
311
312
313
314
315
316
318
319
320
321
321
322
323
324

Sunday 16

Waxing Crescent 18%

12:30

22:05

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

Sun - Rise: 06:33, Set: 21:01, Transit: 13:46. Moon - Rise: 12:30, Set: 22:05. Civil Dark: 21:37 - 05:57. Nautical Dark: 22:24 - 05:11. Astro Dark: 23:18 - 04:17

Total Clouds (% Sky Obscured)

40
28
18
15
15
0
1
1
0
4
11
23
38
48
39
52
65
100
100
100
94
81
85
78

Low Clouds (% Sky Obscured)

39
28
18
14
13
0
0
0
0
0
0
0
0
1
1
1
1
2
10
30
20
22
24
48

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
1
1
0
1
3
4
9
15
20
20
21
20
16
7
0
7
14
21

High Clouds (% Sky Obscured)

4
1
1
2
2
0
0
0
0
2
11
23
25
25
2
27
51
100
100
100
92
61
53
30

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
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
8
11
13
13
11
8
6
6
6
5
5
5
4
3
2
2
3
3
5
5
5

Chance of Frost

Temperature (°C)

26
26
27
27
26
24
22
20
19
18
17
16
16
16
15
14
14
14
15
17
19
21
22
23

Feels Like (°C)

26
27
27
27
25
22
20
19
18
18
17
16
14
14
13
14
14
15
14
16
18
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

40
36
33
31
32
39
48
59
64
64
62
60
59
58
60
62
64
64
58
51
45
39
36
35

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

323
322
322
321
322
326
330
333
333
330
328
327
326
327
328
328
328
327
327
326
327
327
326
324

Monday 17

Waxing Crescent 27%

13:46

22:19

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:35, Set: 20:59, Transit: 13:46. Moon - Rise: 13:46, Set: 22:19. Civil Dark: 21:35 - 05:59. Nautical Dark: 22:21 - 05:13. Astro Dark: 23:15 - 04:20

Total Clouds (% Sky Obscured)

85
93
100
76
91
95
91
95
98
97
96
95
97
99
100
97
95
92
91
90
89
91
93
95

Low Clouds (% Sky Obscured)

56
24
24
20
42
12
6
8
9
18
25
32
36
45
49
54
62
69
75
73
73
79
86
91

Medium Clouds (% Sky Obscured)

24
29
29
34
35
36
41
43
43
45
44
43
42
41
40
48
56
65
55
48
40
36
31
26

High Clouds (% Sky Obscured)

53
78
100
47
32
41
46
67
88
75
57
44
38
36
35
29
27
26
17
15
10
6
3
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
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
5
7
8
8
5
1
2
3
2
10
9
3
12
11
7
7
6
4
14
19
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
7
9
9
11
12
13
13
13
13
13
13
13
12
12
12
12
12
12
14
16

Relative Humidity (%)

34
34
31
29
31
37
40
52
63
69
72
73
74
76
76
77
71
67
63
59
53
50
58
69

Pressure (mb)

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

Ozone (du)

323
321
319
317
314
312
310
308
307
305
303
301
300
299
297
296
296
295
295
294
294
294
294
294

Tuesday 18

Waxing Crescent 36%

No Rise

22:36

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 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:37, Set: 20:57, Transit: 13:46. Moon - Rise: No Rise, Set: 22:36. Civil Dark: 21:33 - 06:01. Nautical Dark: 22:19 - 05:15. Astro Dark: 23:12 - 04:23

Total Clouds (% Sky Obscured)

89
84
79
79
78
76
74
68
61
53
41
36
39
41
48
61
71
78
83
92
95
94
93
92

Low Clouds (% Sky Obscured)

88
84
79
79
77
71
61
51
41
28
13
7
7
10
14
25
39
54
67
79
91
86
80
77

Medium Clouds (% Sky Obscured)

20
16
12
18
24
31
37
40
39
37
34
36
39
41
48
50
45
41
30
13
5
0
0
0

High Clouds (% Sky Obscured)

6
11
15
11
6
0
1
3
4
3
2
0
0
0
0
0
0
0
1
2
3
3
4
4

ISS Passover

Visibility (miles)

8
8
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 (%)

21
18
14
16
16
13
15
14
11
10
8
4
3
2
0
1
2
1
10
13
15
16
17
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
19
20
21
21
22
23
24
23
23
23
23
22
19
19
18
18
18
18
19
19
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

80
72
65
59
58
57
54
59
63
68
73
76
81
85
88
90
89
88
85
75
65
57
54
51

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1014
1013
1013

Ozone (du)

294
294
295
295
296
297
298
298
299
299
300
301
301
301
301
301
301
302
303
304
305
306
306
305

Wednesday 19

Waxing Crescent 46%

15:01

22:58

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: 06:38, Set: 20:55, Transit: 13:45. Moon - Rise: 15:01, Set: 22:58. Civil Dark: 21:31 - 06:02. Nautical Dark: 22:16 - 05:17. Astro Dark: 23:09 - 04:25

Total Clouds (% Sky Obscured)

89
87
87
81
72
70
68
66
73
67
65
63
73
82
92
91
91
89

Low Clouds (% Sky Obscured)

76
81
87
81
72
70
68
66
63
48
42
36
31
26
21
17
14
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
9
13
19
22
30
35
37
36
36
36

High Clouds (% Sky Obscured)

5
4
4
14
36
70
68
66
73
67
59
38
49
52
56
52
53
55

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
11
3
4
3
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

Wind Speed/Direction (mph)

13
12
11
10
9
8
7
5
4
5
4
5
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

25
25
24
24
23
23
22
21
19
17
16
16
16
15
15
15
15
15

Feels Like (°C)

21
24
23
22
22
21
21
19
18
19
18
18
19
14
15
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

48
50
51
51
50
48
48
50
53
56
59
62
65
67
69
71
69
68

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

305
305
305
305
305
305
305
306
307
307
308
308
308
309
310
311
311
311

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

Generated: 13/08/26 14:55:30. Forecast: 13/08/26 to 19/08/26. Timezone: UTC+2.00