Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 16

Waxing Crescent 18%

10:29

21:25

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:55, Set: 20:18, Transit: 13:06. Moon - Rise: 10:29, Set: 21:25. Civil Dark: 20:54 - 05:19. Nautical Dark: 21:39 - 04:35. Astro Dark: 22:32 - 03:43

Total Clouds (% Sky Obscured)

85
88
91
100
100
100
100
100
89
89
65
62
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

0
3
19
25
6
0
0
0
0
5
0
25
26
8
36
35
31
63
64
66
60
49
33
75

Medium Clouds (% Sky Obscured)

85
88
91
90
34
43
1
0
0
7
8
22
29
14
24
39
69
84
48
33
29
82
88
86

High Clouds (% Sky Obscured)

85
88
91
93
100
100
100
100
89
86
45
47
100
100
100
100
100
100
100
100
100
100
88
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
None
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

13
22
29
7
1
0
0
0
0
0
1
15
41
52
56
85
72
95
95
47
67
95
18
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
1
0.6
1.5
3.3
0
0.3
1.1
0
0

Wind Speed/Direction (mph)

5
5
5
7
3
5
5
5
5
4
4
4
3
2
1
2
3
3
3
2
2
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
11
10
10
11
11
13
13
13
13
13
13
14
15
15
14
15
15
14
15
16
15
16
15

Relative Humidity (%)

42
49
44
41
46
42
43
42
41
42
48
56
65
74
75
77
80
80
81
86
88
85
81
75

Pressure (mb)

1014
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011

Ozone (du)

309
306
308
309
310
315
322
324
324
324
325
325
323
320
321
320
319
322
326
323
322
323
325
326

Monday 17

Waxing Crescent 26%

11:45

21:41

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:56, Set: 20:16, Transit: 13:06. Moon - Rise: 11:45, Set: 21:41. Civil Dark: 20:52 - 05:21. Nautical Dark: 21:37 - 04:36. Astro Dark: 22:29 - 03:45

Total Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
94
90
83
59
51
56
93
61
49
55
51
74
64
75
88

Low Clouds (% Sky Obscured)

72
72
50
70
65
76
76
44
84
46
59
57
31
23
34
66
38
36
34
33
45
52
57
67

Medium Clouds (% Sky Obscured)

71
82
69
87
88
100
98
93
91
57
49
35
35
30
38
49
41
29
24
7
58
29
32
39

High Clouds (% Sky Obscured)

100
100
92
100
100
61
100
100
100
37
0
0
0
0
0
0
0
0
2
17
2
0
0
8

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

14
77
76
90
95
95
93
65
44
33
25
20
5
2
42
33
9
7
0
0
8
1
1
2

Precipitation Amount (mm)

0
0.3
0.2
0.4
2.1
3.3
0.6
0.3
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
23
23
21
19
18
18
17
17
17
16
16
15
15
15
14
14
14
14
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
60
52
52
53
66
88
79
74
78
79
81
81
83
83
86
82
84
86
87
89
86
76
68

Pressure (mb)

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

Ozone (du)

327
328
327
328
330
327
326
330
338
340
348
349
352
355
356
356
348
341
336
332
331
329
327
325

Tuesday 18

Waxing Crescent 36%

13:00

21:59

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:58, Set: 20:15, Transit: 13:06. Moon - Rise: 13:00, Set: 21:59. Civil Dark: 20:50 - 05:23. Nautical Dark: 21:35 - 04:38. Astro Dark: 22:26 - 03:48

Total Clouds (% Sky Obscured)

99
98
100
100
100
99
96
100
98
100
99
98
97
93
93
96
90
90
88
88
100
95
96
97

Low Clouds (% Sky Obscured)

63
61
62
60
48
77
48
79
78
60
61
81
93
74
82
89
67
69
67
62
40
43
51
66

Medium Clouds (% Sky Obscured)

39
58
56
92
78
92
93
88
92
88
96
88
95
89
90
91
83
83
78
77
98
89
93
94

High Clouds (% Sky Obscured)

64
64
100
100
87
95
65
100
87
100
92
93
75
72
69
50
24
65
65
64
89
40
25
7

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

Precipitation Probability (%)

14
5
0
0
0
0
5
13
14
25
15
34
32
46
31
18
16
15
8
6
20
28
28
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
7
8
8
11
10
10
7
6
5
5
5
5
6
8
7
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
17
17
18
18
19
17
17
16
16
16
15
15
15
15
15
15
15
16
16
17
17
18

Dew Point (°C)

10
9
8
7
7
7
7
7
8
9
9
9
10
11
11
13
13
14
13
14
14
14
15
15

Relative Humidity (%)

62
54
46
42
42
40
39
40
46
51
54
56
64
71
72
81
81
81
79
82
86
85
83
81

Pressure (mb)

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

Ozone (du)

323
321
319
318
318
317
316
317
316
315
315
314
314
313
313
312
312
310
308
308
308
307
308
309

Wednesday 19

Waxing Crescent 46%

14:14

22:21

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:59, Set: 20:13, Transit: 13:05. Moon - Rise: 14:14, Set: 22:21. Civil Dark: 20:48 - 05:24. Nautical Dark: 21:32 - 04:40. Astro Dark: 22:23 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
74
67
100
100
100
99
99
78
94
87
92
86
91
96
98
100
91
68
67
64
100

Low Clouds (% Sky Obscured)

86
80
78
35
27
79
81
75
71
61
4
2
0
0
0
0
0
0
0
9
18
31
36
35

Medium Clouds (% Sky Obscured)

99
99
89
55
50
50
42
88
89
83
69
90
52
55
55
55
67
71
75
74
68
67
64
74

High Clouds (% Sky Obscured)

8
39
5
1
16
33
49
57
54
48
38
52
49
62
59
74
85
92
100
90
68
67
45
69

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

60
54
45
28
37
30
38
50
27
20
2
2
2
3
3
1
3
3
1
17
25
32
35
40

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
8
11
8
10
12
6
5
5
5
5
5
5
5
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
88
86
73
52
42
52
59
72
76
72
77
79
83
85
85
85
86
86
86
87
83
73
63

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

308
308
309
310
311
310
311
309
308
309
311
313
313
314
314
316
317
316
316
317
319
320
319
318

Thursday 20

First Quarter 56%

15:25

22:51

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:01, Set: 20:11, Transit: 13:05. Moon - Rise: 15:25, Set: 22:51. Civil Dark: 20:46 - 05:26. Nautical Dark: 21:30 - 04:42. Astro Dark: 22:20 - 03:53

Total Clouds (% Sky Obscured)

100
99
81
56
56
69
98
100
100
84
75
100
100
100
100
67
80
86
95
92
83
76
82
89

Low Clouds (% Sky Obscured)

36
36
34
29
32
41
79
80
79
30
39
41
45
42
40
35
30
22
15
14
18
19
25
30

Medium Clouds (% Sky Obscured)

70
68
67
51
51
51
48
54
56
62
60
60
97
51
41
35
48
59
65
72
70
68
72
78

High Clouds (% Sky Obscured)

57
65
34
6
22
38
56
79
99
75
59
100
100
100
100
52
66
79
92
84
75
66
76
87

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

Precipitation Probability (%)

45
51
61
63
62
52
24
48
59
70
64
58
58
40
26
20
33
24
7
21
31
38
52
62

Precipitation Amount (mm)

0
0
0.2
0.2
0.3
0.3
0
0
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

3
3
4
4
4
4
5
4
3
5
5
4
3
5
5
4
4
4
4
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
22
23
23
23
22
22
21
20
21
20
18
18
18
19
19
19
19
18
17
17
19

Dew Point (°C)

10
8
6
6
5
5
5
7
9
11
13
14
14
15
16
16
16
16
15
15
14
13
12
9

Relative Humidity (%)

54
45
38
34
31
28
28
34
40
49
63
68
68
75
82
86
88
86
83
83
76
69
62
49

Pressure (mb)

1012
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

318
317
318
319
319
317
315
315
314
314
315
314
313
315
316
316
315
315
315
315
315
314
314
315

Friday 21

Waxing Gibbous 66%

16:30

23:30

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 OK
06 OK
07 Good
08 OK
09 OK

Sun - Rise: 06:02, Set: 20:09, Transit: 13:05. Moon - Rise: 16:30, Set: 23:30. Civil Dark: 20:44 - 05:28. Nautical Dark: 21:27 - 04:44. Astro Dark: 22:17 - 03:55

Total Clouds (% Sky Obscured)

98
98
97
97
93
90
87
80
71
62
73
77
84
85
86
87
78
70
66
45
23
4
23
43

Low Clouds (% Sky Obscured)

31
45
44
44
44
36
26
23
22
21
27
32
38
42
46
49
34
18
1
1
0
0
3
6

Medium Clouds (% Sky Obscured)

86
87
88
90
76
70
56
60
65
60
50
49
49
57
60
58
59
66
63
42
19
0
6
12

High Clouds (% Sky Obscured)

97
97
97
97
93
90
87
80
71
60
50
41
36
36
42
42
32
22
2
2
1
1
5
6

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

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

Precipitation Probability (%)

69
95
95
95
95
95
95
95
93
79
68
56
33
25
16
6
6
4
1
2
2
1
1
1

Precipitation Amount (mm)

0.4
0.9
1.6
2.4
2.2
1.7
1
0.7
0.5
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
17
19
18
17
18
19
19
16
16
17
17
17
17
15
16
17
16
16
16
18

Dew Point (°C)

6
3
2
1
-1
-1
-2
-2
-1
0
1
2
2
4
4
4
5
5
6
6
6
6
7
6

Relative Humidity (%)

38
29
26
23
21
20
20
20
22
25
29
32
35
39
41
44
46
49
53
55
54
51
50
44

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

316
317
318
319
320
320
320
321
320
319
318
317
315
314
312
310
308
308
308
307
307
307
307
306

Saturday 22

Waxing Gibbous 75%

17:25

00:21

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:04, Set: 20:07, Transit: 13:05. Moon - Rise: 17:25, Set: 00:21. Civil Dark: 20:41 - 05:29. Nautical Dark: 21:25 - 04:46. Astro Dark: 22:14 - 03:58

Total Clouds (% Sky Obscured)

60
68
76
84
75
69
66
72
74
75
70
67
64
52
47
42
55
68
80
83
87
88

Low Clouds (% Sky Obscured)

8
9
10
11
21
32
43
54
65
75
70
67
59
45
30
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
31
45
59
58
57
58
60
61
63
63
57
55
47
41
39
51
61
71
68
65
62

High Clouds (% Sky Obscured)

14
9
10
10
15
20
25
33
33
25
20
10
0
1
1
1
7
13
18
43
65
86

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
1
1
0
0
0
0
1
1
0
3
4
2
6
7
8
10
10
9
9
6
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
7
7
8
8
8
9
7
6
6
5
4
3
3
3
4
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
19
19
22
22
22
22
23
24
18
18
17
16
16
17
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

40
36
33
31
28
27
27
26
30
35
41
45
50
54
58
62
66
66
65
66
63
63

Pressure (mb)

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

Ozone (du)

305
305
305
305
305
305
304
303
305
307
308
310
312
314
313
312
312
312
313
313
314
314

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

Generated: 16/08/26 10:11:10. Forecast: 16/08/26 to 22/08/26. Timezone: UTC+2.00