Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Gibbous 72%

16:29

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Good
21 Good
22 Good
23 OK

Sun - Rise: 05:19, Set: 20:57, Transit: 13:08. Moon - Rise: 16:29, Set: No Set. Civil Dark: 21:38 - 04:39. Nautical Dark: 22:33 - 03:44. Astro Dark: 23:52 - 02:24

Total Clouds (% Sky Obscured)

84
79
68
74
74
68
95
80
74
61
77
85
86
76
73
69
65
64
67
16
5
5
11
21

Low Clouds (% Sky Obscured)

0
12
25
64
54
41
83
63
68
61
37
48
67
36
44
58
48
49
26
8
1
1
1
2

Medium Clouds (% Sky Obscured)

61
34
67
74
28
40
47
24
0
0
43
35
37
31
39
28
24
7
21
1
2
2
8
13

High Clouds (% Sky Obscured)

8
1
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
4
2
12
18
33
22
20
19
11
16
21
22
29
27
30
38
43
50
53
7
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
7
7
7
7
8
10
12
12
12
10
12
14
13
12
10
9
8
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
83
80
79
83
89
86
86
79
58
55
72
85
67
64
58
63
65
69
76
82
85
86

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

362
366
367
369
375
380
380
380
380
380
380
379
378
379
379
379
379
380
380
379
378
376
377
379

Friday 24

Waxing Gibbous 80%

17:38

00:20

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

Sun - Rise: 05:21, Set: 20:56, Transit: 13:08. Moon - Rise: 17:38, Set: 00:20. Civil Dark: 21:36 - 04:40. Nautical Dark: 22:31 - 03:46. Astro Dark: 23:48 - 02:28

Total Clouds (% Sky Obscured)

61
70
74
23
41
34
31
15
5
9
49
80
53
53
34
35
11
14
11
33
36
42
91
96

Low Clouds (% Sky Obscured)

11
36
67
23
32
21
25
3
1
4
2
2
11
25
22
22
8
2
2
2
0
0
0
0

Medium Clouds (% Sky Obscured)

31
21
0
0
14
16
0
9
0
0
36
51
38
45
21
26
3
14
10
28
23
21
11
2

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
5
5
5
31
3
0
0
0
0
0
0
2
13
33
81
91

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
6
1
0
0
5
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
5
5
6
6
5
4
4
6
7
7
7
8
7
8
7
7
6
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

14
13
13
13
12
12
12
14
15
17
19
20
21
22
22
23
23
24
24
23
22
20
18
16

Feels Like (°C)

14
11
11
10
11
12
12
14
15
17
19
19
19
21
22
23
23
24
24
24
22
19
16
15

Dew Point (°C)

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

Relative Humidity (%)

84
84
81
80
83
86
86
80
73
66
58
49
42
37
34
32
31
30
30
35
43
49
51
53

Pressure (mb)

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

Ozone (du)

380
374
370
364
358
353
350
348
345
344
343
344
345
346
345
345
344
343
341
340
340
341
344
346

Saturday 25

Waxing Gibbous 87%

18:39

00:53

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
14 Bad
15 Bad
16 OK
17 Good
18 Good
19 Good
20 Good
21 OK
22 Bad
23 Bad

Sun - Rise: 05:22, Set: 20:55, Transit: 13:08. Moon - Rise: 18:39, Set: 00:53. Civil Dark: 21:35 - 04:42. Nautical Dark: 22:29 - 03:48. Astro Dark: 23:45 - 02:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
69
56
70
95
100
100
100
100
96
91
45
8
3
0
17
38
57
58

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
18
11
17
7
0
2
0
13
19
2
2
2
2
0
0
0
0
0
7

High Clouds (% Sky Obscured)

100
100
100
100
100
100
69
56
70
95
100
100
100
100
96
91
45
5
3
0
13
25
38
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
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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

15
14
14
13
13
13
13
14
17
19
22
24
24
26
27
27
28
28
28
27
25
23
21
20

Feels Like (°C)

14
12
12
11
10
10
11
12
15
18
19
21
22
24
24
25
25
25
27
27
26
23
21
20

Dew Point (°C)

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

Relative Humidity (%)

54
55
56
57
58
60
61
58
51
46
41
37
30
27
25
24
24
25
26
32
40
45
47
48

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

346
345
342
341
341
340
341
341
340
340
339
338
338
337
336
338
341
342
341
345
347
347
349
349

Sunday 26

Waxing Gibbous 93%

19:30

01:36

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

Sun - Rise: 05:23, Set: 20:53, Transit: 13:08. Moon - Rise: 19:30, Set: 01:36. Civil Dark: 21:33 - 04:44. Nautical Dark: 22:27 - 03:50. Astro Dark: 23:41 - 02:36

Total Clouds (% Sky Obscured)

65
64
84
85
79
84
92
99
99
99
86
100
100
100
100
100
100
98
96
94
83
74
63
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
8
44
20
44
10
26
30

Medium Clouds (% Sky Obscured)

13
20
17
16
12
28
40
54
65
80
62
67
80
90
96
91
87
87
86
86
55
39
37
46

High Clouds (% Sky Obscured)

50
53
81
82
73
78
88
98
99
98
82
100
100
100
100
100
100
77
53
35
40
45
49
61

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
3
12
15
10
17
17
13
24
24
17
30
37
45
45

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
17
16
16
16
17
19
21
24
25
26
26
27
26
25
25
24
21
21
19
18
17

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
8
7
8
9
9
8
7
5
6
6
7
6
6
4
3
7
9
10
12
12

Relative Humidity (%)

48
51
53
57
58
57
57
56
50
43
35
27
29
28
28
27
28
25
26
39
48
56
70
72

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1007
1007
1008
1008
1009
1010
1010

Ozone (du)

346
345
344
344
342
338
336
334
333
331
331
332
331
331
333
333
332
333
337
344
344
350
355
356

Monday 27

Waxing Gibbous 97%

20:10

02:32

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

Sun - Rise: 05:25, Set: 20:52, Transit: 13:08. Moon - Rise: 20:10, Set: 02:32. Civil Dark: 21:32 - 04:45. Nautical Dark: 22:25 - 03:52. Astro Dark: 23:37 - 02:39

Total Clouds (% Sky Obscured)

58
55
70
82
96
90
99
68
73
84
100
90
87
90
92
95
97
95
95
96
83
70
56
66

Low Clouds (% Sky Obscured)

23
35
41
49
57
51
74
27
46
60
88
72
65
67
74
82
88
87
83
80
68
55
41
44

Medium Clouds (% Sky Obscured)

10
4
21
27
36
47
92
61
53
47
39
38
38
41
44
44
40
44
41
39
37
35
36
45

High Clouds (% Sky Obscured)

56
55
28
40
55
55
60
55
55
57
52
38
25
8
22
36
40
31
17
8
9
10
9
19

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

43
50
43
40
59
75
76
73
84
89
72
75
78
70
94
70
58
53
46
36
27
18
2
9

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.5
0.4
0.6
0.5
0
0.3
0.4
0.2
0.5
0.3
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
13
13
14
15
15
15
15
14
14
12
10
9
8
8
8
8
8
9
9
8
9

Relative Humidity (%)

76
79
82
82
82
87
92
90
83
81
72
72
58
48
42
41
41
40
42
44
48
52
56
62

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1016
1017
1017
1018
1019

Ozone (du)

357
360
364
367
366
362
359
355
352
349
349
349
349
348
348
346
344
342
340
338
336
334
333
332

Tuesday 28

Waxing Gibbous 99%

20:39

03:37

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

Sun - Rise: 05:26, Set: 20:51, Transit: 13:08. Moon - Rise: 20:39, Set: 03:37. Civil Dark: 21:30 - 04:47. Nautical Dark: 22:22 - 03:54. Astro Dark: 23:34 - 02:43

Total Clouds (% Sky Obscured)

74
85
75
69
59
65
66
68
58
42
30
33
36
39
39
39
43
39
32
26
17
9
0
0

Low Clouds (% Sky Obscured)

43
42
49
47
40
34
32
31
26
21
16
18
19
24
21
22
19
17
11
7
5
2
0
0

Medium Clouds (% Sky Obscured)

54
65
55
60
55
55
55
46
26
13
0
0
0
0
1
2
3
10
17
20
11
5
0
0

High Clouds (% Sky Obscured)

16
11
5
3
1
2
5
13
11
8
2
3
3
4
2
1
0
0
0
0
0
0
0
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
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 (%)

11
5
9
13
12
17
12
4
3
1
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
4
5
5
4
5
5
6
6
6
7
8
8
8
8
8
8
8
8
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
18
16
16
15
15
14
13
18
17
17
17
18
19
24
23
22
22
24
24
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
69
72
73
67
63
59
50
45
40
36
33
31
29
28
27
30
35
38
43
48
53

Pressure (mb)

1019
1020
1020
1021
1021
1021
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

331
330
329
328
328
327
326
324
323
322
322
322
322
322
322
322
323
323
324
324
324
324
324
324

Wednesday 29

Full Moon 100%

21:02

04:48

Sun - Rise: 05:27, Set: 20:49, Transit: 13:08. Moon - Rise: 21:02, Set: 04:48. Civil Dark: 21:28 - 04:48. Nautical Dark: 22:20 - 03:56. Astro Dark: 23:30 - 02:46

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 23/07/26 00:27:52. Forecast: 23/07/26 to 29/07/26. Timezone: UTC+2.00