Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 32%

11:36

23:06

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

Sun - Rise: 05:16, Set: 21:02, Transit: 13:08. Moon - Rise: 11:36, Set: 23:06. Civil Dark: 21:43 - 04:34. Nautical Dark: 22:40 - 03:38. Astro Dark: 00:09 - 02:12

Total Clouds (% Sky Obscured)

63
53
72
88
100
100
69
82
71
75
36
2
28
22
23
38
21
35
43
44
76
89
69
37

Low Clouds (% Sky Obscured)

52
53
51
53
83
84
44
40
46
61
0
0
0
0
0
5
0
10
27
28
0
12
23
37

Medium Clouds (% Sky Obscured)

57
53
63
88
74
100
24
66
28
45
0
0
17
22
23
38
21
35
43
44
44
41
33
32

High Clouds (% Sky Obscured)

50
48
72
88
70
47
5
55
24
4
0
0
0
0
0
0
0
0
0
1
52
65
45
4

ISS Passover

Visibility (miles)

9
9
2
3
3
7
4
4
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
Light Rain
Light Rain
Very 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

Precipitation Probability (%)

95
95
40
81
89
95
61
26
33
42
16
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
2.4
1.3
0.3
0.5
1.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
20
17
17
19
18
17
19
19
18
20
20
16
17
17
16
15
14
14
13
12
11
14

Dew Point (°C)

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

Relative Humidity (%)

81
76
73
72
78
71
76
82
73
60
56
59
59
64
71
74
76
76
79
82
83
83
80
73

Pressure (mb)

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

Ozone (du)

332
332
337
341
347
350
355
356
361
365
365
359
358
357
355
354
356
362
362
362
362
361
361
364

Monday 20

Waxing Crescent 42%

12:50

23:20

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

Sun - Rise: 05:17, Set: 21:01, Transit: 13:08. Moon - Rise: 12:50, Set: 23:20. Civil Dark: 21:42 - 04:36. Nautical Dark: 22:38 - 03:40. Astro Dark: 00:04 - 02:16

Total Clouds (% Sky Obscured)

21
7
48
62
57
62
73
40
65
30
36
39
31
33
24
29
25
22
48
55
50
53
70
64

Low Clouds (% Sky Obscured)

21
7
30
13
0
28
20
27
0
0
28
0
0
0
4
18
0
0
0
0
0
0
0
28

Medium Clouds (% Sky Obscured)

0
0
38
40
48
32
35
27
61
30
27
39
31
29
24
29
25
22
26
25
28
20
16
14

High Clouds (% Sky Obscured)

0
0
0
0
2
22
54
5
2
0
3
2
3
3
2
0
0
2
21
32
30
31
48
38

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
7
8
10
11
12
13
13
13
13
11
12
9
7
5
4
5
5
5
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
6
5
4
4
3
4
4
9
9
9
9
10
10
10
10
11
10
10
10
10

Relative Humidity (%)

63
57
52
47
40
34
31
30
30
30
33
47
51
59
66
71
76
80
83
84
84
84
84
76

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

363
360
360
356
356
356
357
358
359
360
358
357
357
357
360
363
361
360
360
362
364
364
365
364

Tuesday 21

First Quarter 53%

14:04

23:36

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

Sun - Rise: 05:18, Set: 21:00, Transit: 13:08. Moon - Rise: 14:04, Set: 23:36. Civil Dark: 21:40 - 04:37. Nautical Dark: 22:36 - 03:42. Astro Dark: 00:00 - 02:20

Total Clouds (% Sky Obscured)

51
32
39
57
78
88
99
96
85
73
82
38
72
59
63
43
34
69
61
42
40
48
28
39

Low Clouds (% Sky Obscured)

45
32
39
36
23
31
15
0
12
0
0
0
0
0
4
2
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
13
20
18
26
37
59
55
39
52
43
33
33
27
31
30
27
35
23
12
0
0
0
0

High Clouds (% Sky Obscured)

15
4
3
3
3
3
3
0
0
0
0
3
13
0
0
0
3
4
19
4
0
9
18
32

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)

8
10
10
10
11
10
10
10
9
10
10
7
4
3
3
4
4
4
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
17
18
18
18
18
18
17
18
18
20
17
16
15
15
14
13
12
12
11
11
15

Dew Point (°C)

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

Relative Humidity (%)

66
59
52
45
41
41
41
43
44
41
45
49
54
52
54
55
59
61
58
57
60
59
60
60

Pressure (mb)

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

Ozone (du)

362
361
360
363
366
368
370
371
370
367
362
360
358
356
352
353
351
350
349
350
351
346
344
343

Wednesday 22

Waxing Gibbous 63%

15:17

23:55

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
06 Bad
07 Bad

Sun - Rise: 05:19, Set: 20:58, Transit: 13:08. Moon - Rise: 15:17, Set: 23:55. Civil Dark: 21:39 - 04:39. Nautical Dark: 22:34 - 03:44. Astro Dark: 23:56 - 02:24

Total Clouds (% Sky Obscured)

51
87
88
71
91
100
100
100
99
98
95
94
96
98
98
100
100
100
100
100
100
92
84
65

Low Clouds (% Sky Obscured)

0
0
0
1
2
3
10
17
25
16
8
0
12
23
35
34
33
32
38
43
49
47
45
43

Medium Clouds (% Sky Obscured)

17
31
47
48
54
60
57
55
52
67
71
63
96
95
81
87
85
90
96
96
94
84
72
36

High Clouds (% Sky Obscured)

42
85
85
70
85
91
94
97
92
77
53
40
35
35
31
35
40
16
51
74
96
72
41
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
7
3
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
2
2
2
2
1
19
29
26
60
72
80
73
70
78
95
95
76

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.4
0.3
0.4
0.9
0.8
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
46
39
35
34
30
29
29
29
31
39
43
47
50
56
63
67
74
72
71
78
86
95
95

Pressure (mb)

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

Ozone (du)

343
342
344
345
344
344
343
342
341
340
340
341
341
342
342
344
346
349
351
354
355
356
358
364

Thursday 23

Waxing Gibbous 72%

16:29

00:20

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
06 Bad
07 Bad

Sun - Rise: 05:21, Set: 20:57, Transit: 13:08. Moon - Rise: 16:29, Set: 00:20. Civil Dark: 21:38 - 04:40. Nautical Dark: 22:33 - 03:46. Astro Dark: 23:52 - 02:28

Total Clouds (% Sky Obscured)

75
88
84
97
100
100
100
100
94
100
100
84
86
86
86
74
62
49
52
55
58
57
58
65

Low Clouds (% Sky Obscured)

51
59
64
77
89
100
91
81
69
62
57
41
68
69
72
55
39
22
29
33
45
53
56
54

Medium Clouds (% Sky Obscured)

44
68
58
58
64
69
69
71
77
90
83
68
74
69
71
59
46
36
44
51
58
36
15
0

High Clouds (% Sky Obscured)

22
43
70
44
21
2
1
3
22
60
39
60
0
1
1
1
1
0
0
0
0
10
19
28

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

74
60
38
62
75
86
90
95
95
87
62
46
53
46
37
31
26
22
24
29
34
26
19
8

Precipitation Amount (mm)

0.3
0
0
0.2
0.3
0.5
0.6
0.8
1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
12
9
7
6
6
6
10
10
13
13
14
13
13
13
12
11
11
10
10
10
11
12

Relative Humidity (%)

86
78
74
57
53
49
48
49
66
65
79
81
82
83
85
86
86
87
87
86
87
87
87
86

Pressure (mb)

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

Ozone (du)

370
375
377
378
380
381
379
376
372
369
367
368
368
370
371
373
376
379
382
375
369
362
357
353

Friday 24

Waxing Gibbous 80%

17:38

00:53

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

Sun - Rise: 05:22, Set: 20:56, Transit: 13:08. Moon - Rise: 17:38, Set: 00:53. Civil Dark: 21:36 - 04:42. Nautical Dark: 22:31 - 03:48. Astro Dark: 23:48 - 02:32

Total Clouds (% Sky Obscured)

74
83
89
89
89
89
85
84
83
63
44
24
34
43
53
58
61
65
61
57
53
59
64
69

Low Clouds (% Sky Obscured)

54
54
55
57
61
64
58
54
52
41
32
24
17
8
0
11
19
29
27
30
30
29
28
24

Medium Clouds (% Sky Obscured)

6
13
22
25
30
30
36
37
34
22
12
2
1
1
1
3
5
6
4
2
1
1
1
1

High Clouds (% Sky Obscured)

24
27
30
47
62
70
55
35
13
8
4
0
17
33
53
55
56
58
53
47
38
56
63
59

ISS Passover

Visibility (miles)

9
8
6
4
6
8
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 (%)

14
21
27
30
30
29
23
16
2
2
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
8
8
9
9
8
8
8
7
7
7
6
5
4
3
2
2
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
73
69
61
55
50
49
47
47
50
53
56
60
64
70
73
75
78
79
80
80
75
69

Pressure (mb)

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

Ozone (du)

348
347
346
346
348
351
354
352
350
348
347
345
343
344
344
345
343
341
339
339
338
338
337
336

Saturday 25

Waxing Gibbous 87%

18:39

01:36

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: 05:23, Set: 20:55, Transit: 13:08. Moon - Rise: 18:39, Set: 01:36. Civil Dark: 21:35 - 04:44. Nautical Dark: 22:29 - 03:50. Astro Dark: 23:45 - 02:36

Total Clouds (% Sky Obscured)

63
59
61
74
88
100
86
73
59
62
66
69
75
82
90
91
93
94

Low Clouds (% Sky Obscured)

17
8
0
0
0
0
3
5
9
8
6
4
6
12
15
17
12
5

Medium Clouds (% Sky Obscured)

6
13
22
29
37
48
47
46
46
40
35
29
32
35
38
43
47
52

High Clouds (% Sky Obscured)

55
56
59
72
86
100
78
56
34
35
39
43
39
41
36
54
73
92

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 (%)

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

Wind Speed/Direction (mph)

4
4
5
6
6
7
7
7
7
7
5
4
3
3
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
18
18
18
19
19
20
25
24
24
25
25
26
22
21
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

63
55
49
43
40
37
33
32
30
29
34
38
44
45
47
49
52
54

Pressure (mb)

1013
1013
1013
1012
1012
1011
1010
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

335
335
335
336
336
337
338
339
340
341
340
339
339
339
339
340
340
340

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

Generated: 19/07/26 08:17:24. Forecast: 19/07/26 to 25/07/26. Timezone: UTC+2.00