Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

19:42

No Set

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

Sun - Rise: 06:10, Set: 19:56, Transit: 13:03. Moon - Rise: 19:42, Set: No Set. Civil Dark: 20:31 - 05:37. Nautical Dark: 21:13 - 04:55. Astro Dark: 21:59 - 04:09

Total Clouds (% Sky Obscured)

58
68
72
62
21
79
90
68
29
22
35
30
61
84
81
80
100
100
100
99
69
90
67
100

Low Clouds (% Sky Obscured)

27
25
23
22
19
9
3
0
16
22
22
13
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
10
7
4
2
0
0
0
11
0
2
2
0
0
1
0
0
0
3
10
15
73
28
26

High Clouds (% Sky Obscured)

58
68
54
7
7
70
88
62
13
7
29
26
61
84
55
46
100
99
100
99
61
59
63
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 (%)

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

Chance of Frost

Temperature (°C)

14
14
16
19
21
23
24
26
27
28
28
28
28
26
24
22
21
21
19
19
18
18
17
17

Feels Like (°C)

13
13
16
17
21
23
23
25
27
28
29
27
28
26
24
23
22
20
19
19
18
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

74
71
66
59
55
50
47
45
42
40
39
40
44
51
57
59
62
64
66
69
69
70
69
68

Pressure (mb)

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

Ozone (du)

296
295
296
297
297
297
298
298
298
298
299
298
296
294
293
292
292
290
290
290
290
289
289
288

Friday 28

Full Moon 99%

19:56

06:17

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:11, Set: 19:54, Transit: 13:03. Moon - Rise: 19:56, Set: 06:17. Civil Dark: 20:28 - 05:39. Nautical Dark: 21:10 - 04:57. Astro Dark: 21:57 - 04:11

Total Clouds (% Sky Obscured)

86
64
67
85
100
64
58
90
99
100
65
98
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
26
10
9
17
47
33
68
31
53
71
50
31
5
50
59

Medium Clouds (% Sky Obscured)

56
32
25
20
5
15
4
25
34
92
31
75
74
49
92
100
98
91
83
100
100
100
100
100

High Clouds (% Sky Obscured)

60
52
59
76
100
48
54
79
99
89
65
67
98
100
100
100
100
100
100
82
93
100
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
9
9
8
9
7
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
1
2
18
55
95
85
95
89
75
86
95
95
95
70
76

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.4
0.5
0.4
0.2
0.3
1.1
1.8
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
19
22
24
25
27
29
30
31
30
30
28
25
22
21
20
20
20
19
18
18
18
18

Feels Like (°C)

16
15
17
19
21
21
23
25
26
27
28
30
28
25
23
22
21
20
19
18
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

63
61
53
47
43
41
37
35
35
34
37
36
41
50
73
75
77
80
81
88
90
90
89
88

Pressure (mb)

1014
1014
1014
1014
1014
1013
1012
1011
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

288
287
287
286
287
285
286
285
285
285
285
285
285
286
286
287
288
288
289
291
294
298
302
305

Saturday 29

Waning Gibbous 96%

20:09

07:32

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:13, Set: 19:52, Transit: 13:03. Moon - Rise: 20:09, Set: 07:32. Civil Dark: 20:26 - 05:41. Nautical Dark: 21:08 - 04:59. Astro Dark: 21:54 - 04:14

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
80
100
88
91
82
95
94
91
47
65
58
100
53
47
66
59
60
54

Low Clouds (% Sky Obscured)

53
58
54
31
49
46
43
57
59
56
10
82
31
29
1
3
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

97
100
98
100
100
90
69
64
39
38
44
43
45
37
2
15
8
0
3
47
66
58
58
53

High Clouds (% Sky Obscured)

100
100
10
45
100
99
35
100
0
5
20
0
0
35
30
35
35
100
53
6
3
2
0
0

ISS Passover

Visibility (miles)

6
5
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

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
None
None

Precipitation Probability (%)

95
67
68
38
26
26
22
20
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

1.1
0.3
0.3
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
11
10
12
11
11
11
12
10
9
9
7
7
4
3
4
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
83
77
75
70
62
51
49
45
39
46
50
52
58
60
65
66
68
67
69
69
69

Pressure (mb)

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

Ozone (du)

313
317
320
318
319
323
326
327
327
325
324
318
310
305
305
305
306
304
301
299
299
299
300
300

Sunday 30

Waning Gibbous 91%

20:22

08:48

06 Bad
07 OK
08 Bad
09 OK
10 Good
11 OK
12 OK
13 OK
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

Sun - Rise: 06:14, Set: 19:50, Transit: 13:02. Moon - Rise: 20:22, Set: 08:48. Civil Dark: 20:24 - 05:42. Nautical Dark: 21:05 - 05:01. Astro Dark: 21:51 - 04:16

Total Clouds (% Sky Obscured)

57
45
41
35
13
21
27
45
78
73
59
63
55
69
77
82
85
90
94
98
89
81
69
78

Low Clouds (% Sky Obscured)

0
0
0
2
2
3
5
6
5
6
4
6
8
6
9
11
13
12
10
8
5
3
0
0

Medium Clouds (% Sky Obscured)

55
41
39
35
9
14
21
27
31
33
37
37
31
28
29
30
31
38
44
51
43
32
54
76

High Clouds (% Sky Obscured)

0
0
0
0
2
2
3
11
33
32
34
29
21
43
48
53
62
68
77
85
72
61
45
36

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
5
14
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

16
17
18
20
22
24
25
26
27
27
27
27
26
25
24
23
22
21
20
19
19
19
18
18

Feels Like (°C)

15
16
18
20
21
23
24
25
26
25
26
27
26
26
24
23
21
20
19
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

72
71
65
57
52
45
39
38
37
37
38
39
43
50
53
55
58
60
63
63
63
64
63
64

Pressure (mb)

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

Ozone (du)

301
303
303
302
301
300
300
298
297
296
296
296
296
295
294
293
293
293
293
294
294
295
297
299

Monday 31

Waning Gibbous 84%

20:37

10:06

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 OK
01 OK
02 OK
03 OK
04 OK
05 Bad

Sun - Rise: 06:16, Set: 19:48, Transit: 13:02. Moon - Rise: 20:37, Set: 10:06. Civil Dark: 20:22 - 05:44. Nautical Dark: 21:03 - 05:03. Astro Dark: 21:48 - 04:18

Total Clouds (% Sky Obscured)

86
95
97
93
100
100
99
100
65
71
71
67
63
56
59
52
42
34
30
26
26
26
26
51

Low Clouds (% Sky Obscured)

3
0
4
6
11
22
29
36
35
40
44
27
14
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

86
95
96
78
91
80
54
40
6
12
52
52
51
53
52
42
30
24
18
12
7
3
0
0

High Clouds (% Sky Obscured)

37
38
56
73
100
70
60
55
37
18
33
40
40
40
31
22
17
32
30
26
26
26
26
51

ISS Passover

Visibility (miles)

9
9
9
7
9
9
8
9
9
9
8
3
4
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
Very Light Rain
None
None
None
None
None
None
Moderate Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
34
50
49
50
38
33
7
6
6
65
95
66
11
19
23
20
22
20
10
4
1
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
2.9
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
4
5
5
5
7
9
8
6
13
11
7
6
7
7
8
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
20
21
22
23
24
25
27
27
22
20
20
19
19
19
18
18
18
18
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

64
64
63
66
61
55
57
52
51
44
43
59
88
81
81
82
84
85
85
85
83
85
85
84

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1019

Ozone (du)

301
304
305
306
305
306
306
307
309
309
307
303
303
308
314
316
317
319
318
318
317
315
314
313

Tuesday 1

Waning Gibbous 74%

20:56

11:27

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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

Sun - Rise: 06:17, Set: 19:46, Transit: 13:02. Moon - Rise: 20:56, Set: 11:27. Civil Dark: 20:19 - 05:45. Nautical Dark: 21:01 - 05:05. Astro Dark: 21:45 - 04:20

Total Clouds (% Sky Obscured)

75
100
77
55
36
37
38
39
34
33
37
50
68
87
89
89
89
80
70
60
73
87
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
21
32
24
17
11
11
8
7
5
1
0
1
1
2
7
11
15
7

Medium Clouds (% Sky Obscured)

0
0
7
14
22
23
26
30
27
22
19
23
34
38
31
25
27
28
34
33
23
14
3
8

High Clouds (% Sky Obscured)

75
100
77
55
36
37
38
39
34
33
30
42
56
71
69
62
45
32
28
28
49
66
84
90

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)

6
6
6
6
8
9
9
9
9
9
8
8
6
4
2
1
2
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
17
17
18
18
19
25
25
24
24
24
24
19
19
20
19
19
17
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

82
79
77
67
59
52
47
42
37
37
36
35
39
43
49
53
55
60
60
61
60
59
59
58

Pressure (mb)

1019
1019
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

312
312
312
311
311
310
310
309
309
308
308
307
307
306
306
306
306
306
307
309
310
310
311
312

Wednesday 2

Waning Gibbous 63%

21:20

12:51

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
01 Bad

Sun - Rise: 06:19, Set: 19:44, Transit: 13:01. Moon - Rise: 21:20, Set: 12:51. Civil Dark: 20:17 - 05:47. Nautical Dark: 20:58 - 05:06. Astro Dark: 21:42 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
92
88
88
87
86
91
97
100
100
100
100
91
82
74

Low Clouds (% Sky Obscured)

3
0
0
0
0
9
18
27
19
10
0
0
0
0
0
0
5
4
3
3

Medium Clouds (% Sky Obscured)

13
18
20
22
27
26
26
25
27
27
29
39
45
55
47
39
35
32
33
39

High Clouds (% Sky Obscured)

96
100
100
100
100
81
63
48
46
44
53
71
87
97
87
78
70
62
54
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
1
3
3
2
9
9
3
6
5
1
6
8
5

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

15
16
16
18
20
23
23
25
25
25
25
25
24
23
21
21
20
19
19
19

Feels Like (°C)

15
15
15
16
18
19
20
21
21
25
24
23
24
24
24
20
20
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

58
59
59
55
51
46
45
42
40
40
40
39
44
50
57
58
58
58
59
58

Pressure (mb)

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

Ozone (du)

312
312
312
314
315
317
318
319
321
321
321
322
322
323
324
325
326
326
324
321

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 27/08/26 06:33:23. Forecast: 27/08/26 to 02/09/26. Timezone: UTC+2.00