Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 26%

11:40

21:33

05 Bad
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

Sun - Rise: 05:48, Set: 20:11, Transit: 13:00. Moon - Rise: 11:40, Set: 21:33. Civil Dark: 20:47 - 05:12. Nautical Dark: 21:33 - 04:28. Astro Dark: 22:26 - 03:36

Total Clouds (% Sky Obscured)

96
91
92
95
95
86
100
100
100
100
100
100
100
100
100
100
96
64
62
61
98
77
96
95

Low Clouds (% Sky Obscured)

77
68
78
73
68
61
67
62
72
67
73
48
79
70
57
96
38
10
18
15
11
56
68
80

Medium Clouds (% Sky Obscured)

36
0
41
12
49
37
41
43
46
98
100
99
80
100
100
100
93
64
60
31
96
59
91
84

High Clouds (% Sky Obscured)

28
76
92
75
52
80
100
100
100
100
97
94
93
99
100
100
45
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
7
4
5
9
6
4
2
4
8
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

36
7
1
3
27
67
95
95
95
95
95
95
95
87
73
81
59
42
23
17
12
33
44
36

Precipitation Amount (mm)

0
0
0
0
0
0.3
1.1
1.9
2.6
1.1
1.8
2.3
1.6
0.6
0.3
0.7
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
1
3
4
5
6
6
7
7
6
6
7
8
6
5
6
5
1
3
3
2
2
2

Chance of Frost

Temperature (°C)

16
16
16
17
19
20
21
22
22
22
22
21
20
18
16
16
15
14
14
13
12
12
12
12

Feels Like (°C)

17
17
18
19
20
21
22
21
22
22
21
21
19
17
14
14
13
13
14
13
11
11
12
11

Dew Point (°C)

15
15
15
16
16
16
14
13
14
15
14
15
15
15
15
14
13
13
13
12
11
11
11
11

Relative Humidity (%)

96
95
93
89
82
74
63
57
60
64
62
66
72
83
92
90
89
92
92
90
93
95
95
96

Pressure (mb)

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

Ozone (du)

328
328
327
327
328
329
329
329
329
327
326
325
324
325
326
331
335
343
345
349
352
354
354
347

Tuesday 18

Waxing Crescent 36%

12:55

21:51

05 Bad
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

Sun - Rise: 05:49, Set: 20:09, Transit: 12:59. Moon - Rise: 12:55, Set: 21:51. Civil Dark: 20:45 - 05:14. Nautical Dark: 21:30 - 04:30. Astro Dark: 22:23 - 03:39

Total Clouds (% Sky Obscured)

69
52
71
79
78
80
98
100
100
95
100
83
78
71
70
93
100
93
99
99
86
92
99
100

Low Clouds (% Sky Obscured)

66
52
71
72
60
60
55
54
36
27
31
37
19
29
35
60
47
67
73
76
73
86
89
92

Medium Clouds (% Sky Obscured)

31
0
0
0
25
26
57
66
42
66
84
61
63
62
61
59
71
71
81
65
54
30
62
58

High Clouds (% Sky Obscured)

0
0
5
47
41
45
82
100
100
82
100
63
53
10
68
65
100
82
93
97
60
21
64
68

ISS Passover

Visibility (miles)

8
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4

Fog (%)

0
0
1
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 (%)

19
9
2
1
16
4
4
7
8
4
25
7
6
6
1
3
23
19
6
12
14
2
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)

2
3
3
4
7
9
9
10
11
11
11
10
11
9
9
4
3
4
3
3
4
4
3
3

Chance of Frost

Temperature (°C)

12
11
12
13
14
15
15
17
18
18
18
18
19
19
17
16
15
14
14
14
14
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
95
90
80
79
74
62
55
52
54
60
53
45
60
69
73
83
90
90
90
93
95
96

Pressure (mb)

1012
1012
1012
1013
1012
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

340
335
330
327
325
324
322
322
320
322
326
330
335
334
332
327
323
319
317
315
312
310
309
307

Wednesday 19

Waxing Crescent 46%

14:10

22:13

05 Bad
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

Sun - Rise: 05:51, Set: 20:07, Transit: 12:59. Moon - Rise: 14:10, Set: 22:13. Civil Dark: 20:43 - 05:15. Nautical Dark: 21:28 - 04:32. Astro Dark: 22:20 - 03:41

Total Clouds (% Sky Obscured)

95
97
95
97
98
98
97
94
100
98
100
83
79
75
78
88
78
84
90
95
98
100
100
100

Low Clouds (% Sky Obscured)

84
86
85
92
83
72
81
90
84
94
82
64
63
52
43
55
55
54
58
63
67
69
68
64

Medium Clouds (% Sky Obscured)

59
50
74
84
90
81
55
77
100
95
100
77
65
65
71
77
59
76
82
89
70
70
53
53

High Clouds (% Sky Obscured)

44
8
4
2
0
0
0
0
3
0
3
3
47
22
18
65
70
22
70
71
38
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

6
9
11
11
21
29
37
40
47
54
39
37
11
11
3
2
0
1
39
44
94
67
76
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0.3
0
0.9
0.4
0.5
0.7

Wind Speed/Direction (mph)

4
4
4
8
10
10
10
11
12
12
12
10
9
7
6
3
3
3
3
3
3
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
93
89
86
85
77
81
85
89
92
85
88
90
93
96
98
100
98
96
96
96
98

Pressure (mb)

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

Ozone (du)

307
307
308
309
309
309
309
310
309
306
303
303
303
305
306
309
315
314
313
313
312
311
312
312

Thursday 20

First Quarter 56%

15:21

22:42

05 Bad
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

Sun - Rise: 05:52, Set: 20:05, Transit: 12:59. Moon - Rise: 15:21, Set: 22:42. Civil Dark: 20:41 - 05:17. Nautical Dark: 21:25 - 04:34. Astro Dark: 22:16 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
93
90
86
87
84
66
68
79
91
91
89
75
100
97
99
96
93
89
91
92
95

Low Clouds (% Sky Obscured)

74
87
89
89
90
86
87
64
33
26
35
57
59
59
34
43
66
65
60
24
26
34
51
76

Medium Clouds (% Sky Obscured)

57
40
42
30
16
4
8
12
15
23
31
34
41
43
45
55
61
62
63
67
59
51
51
42

High Clouds (% Sky Obscured)

100
100
97
24
17
72
72
48
31
37
49
30
34
48
58
100
74
86
85
75
64
63
64
66

ISS Passover

Visibility (miles)

0
0
4
4
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2

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

Precipitation Probability (%)

72
64
59
48
34
18
8
4
0
0
0
0
7
9
10
22
27
30
45
22
18
29
12
1

Precipitation Amount (mm)

0.5
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
5
7
8
8
8
9
8
7
6
5
3
3
3
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
15
15
16
17
18
20
22
23
22
22
22
22
21
18
18
18
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
95
92
83
83
76
61
53
45
41
40
42
52
59
63
61
62
73
89
93
96
98

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010

Ozone (du)

315
319
320
320
320
320
319
318
318
317
319
318
315
311
310
310
309
309
309
307
308
307
306
306

Friday 21

Waxing Gibbous 65%

16:26

23:21

05 Bad
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

Sun - Rise: 05:54, Set: 20:03, Transit: 12:59. Moon - Rise: 16:26, Set: 23:21. Civil Dark: 20:39 - 05:19. Nautical Dark: 21:23 - 04:36. Astro Dark: 22:13 - 03:46

Total Clouds (% Sky Obscured)

93
91
91
92
94
96
97
97
98
98
99
66
72
72
65
65
61
57
68
84
100
94
88
82

Low Clouds (% Sky Obscured)

82
81
85
68
44
30
21
19
20
27
32
41
49
60
65
52
43
35
25
19
11
14
20
27

Medium Clouds (% Sky Obscured)

34
24
28
31
31
42
87
38
40
43
47
50
50
50
55
33
28
32
29
28
26
22
16
8

High Clouds (% Sky Obscured)

63
58
56
61
73
77
78
83
86
90
94
51
57
57
55
55
51
51
68
84
100
80
63
50

ISS Passover

Visibility (miles)

0
2
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
23
21
16
1
0
6
9
9
17
20
18
85
95
95
84
65
34
29
23
7
7
5
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
1.9
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
19
20
20
20
19
20
20
21
21
22
22
21
18
19
19
19
19
18
17
13
13

Dew Point (°C)

16
17
16
16
16
13
10
8
6
5
5
4
4
4
7
6
8
8
8
8
8
8
8
7

Relative Humidity (%)

98
100
96
92
80
62
44
40
33
30
29
28
28
30
40
45
48
51
55
57
58
58
59
58

Pressure (mb)

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

Ozone (du)

307
307
308
308
308
308
308
310
311
311
311
310
310
310
310
309
307
306
305
304
304
303
302
301

Saturday 22

Waxing Gibbous 74%

17:21

00:12

05 Bad
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

Sun - Rise: 05:55, Set: 20:01, Transit: 12:58. Moon - Rise: 17:21, Set: 00:12. Civil Dark: 20:37 - 05:20. Nautical Dark: 21:21 - 04:38. Astro Dark: 22:10 - 03:49

Total Clouds (% Sky Obscured)

79
80
85
83
84
85
79
72
66
72
78
85
79
71
64
67
65
66
67
63
67
70
72
75

Low Clouds (% Sky Obscured)

30
41
46
44
41
36
25
22
20
31
42
52
41
27
18
14
7
1
3
5
7
11
15
20

Medium Clouds (% Sky Obscured)

15
25
42
45
51
53
49
46
43
43
46
48
52
50
48
40
36
37
37
37
41
50
55
59

High Clouds (% Sky Obscured)

65
75
85
83
84
85
72
47
24
28
29
31
28
24
23
33
49
54
55
55
50
55
56
58

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
Very Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
1
0
0
0
0
0
0
0
0
0
0
1
3
3
13
17
21
49
64
75
65
49
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
12
16
17
17
17
17
18
23
22
22
22
22
23
17
17
18
17
17
16
14
14

Dew Point (°C)

7
7
7
7
8
8
8
8
8
7
8
8
8
9
9
10
10
10
10
9
9
8
8
8

Relative Humidity (%)

59
56
55
52
50
46
43
41
38
35
35
36
37
42
48
54
57
60
63
63
63
62
62
62

Pressure (mb)

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

Ozone (du)

300
300
301
301
301
302
302
302
302
301
301
301
301
301
301
301
302
303
304
305
306
308
308
308

Sunday 23

Waxing Gibbous 83%

18:05

01:14

05 Bad
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: 05:57, Set: 19:59, Transit: 12:58. Moon - Rise: 18:05, Set: 01:14. Civil Dark: 20:34 - 05:22. Nautical Dark: 21:18 - 04:40. Astro Dark: 22:07 - 03:51

Total Clouds (% Sky Obscured)

75
81
84
85
85
83
84
88
90
92
96
100
97
95
93
92
93
93
94
96
96

Low Clouds (% Sky Obscured)

21
22
24
33
42
51
60
68
77
76
72
67
59
51
39
40
38
38
44
52
61

Medium Clouds (% Sky Obscured)

59
63
63
65
63
61
69
77
87
89
92
95
92
89
87
86
87
88
86
84
83

High Clouds (% Sky Obscured)

54
53
45
37
30
22
27
29
23
36
55
72
68
64
57
41
27
13
22
31
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

Fog (%)

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

Precipitation Probability (%)

17
18
16
20
21
15
28
40
51
62
60
48
38
27
15
13
12
10
12
12
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
57
56
50
45
40
40
42
42
47
53
60
65
69
73
77
79
80
79
78

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

309
309
309
309
308
307
306
306
306
306
306
306
305
305
306
306
306
306
306
306
305

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 17/08/26 05:00:09. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+2.00