Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:30

07:41

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: 05:08, Set: 21:08, Transit: 13:07. Moon - Rise: 22:30, Set: 07:41. Civil Dark: 21:51 - 04:25. Nautical Dark: 22:51 - 03:26. Astro Dark: 00:51 - 01:34

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
99
99
99
96
98
99
99
92
97
58
86
100
100
85

Low Clouds (% Sky Obscured)

47
78
67
58
57
79
71
69
57
63
58
66
76
53
53
30
50
52
50
17
29
35
30
18

Medium Clouds (% Sky Obscured)

71
92
95
100
100
97
98
98
100
98
97
92
95
77
69
53
79
78
92
37
73
100
99
85

High Clouds (% Sky Obscured)

94
85
100
100
100
95
100
100
100
100
87
56
65
0
0
70
27
23
0
0
0
5
44
7

ISS Passover

Visibility (miles)

9
9
9
9
9
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
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 (%)

35
18
59
59
64
57
44
33
42
36
22
10
15
5
8
11
13
5
29
13
5
24
29
27

Precipitation Amount (mm)

0
0
0.2
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
6
6
5
10
7
3
4
3
3
4
4
5
5
4
4
5
5
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
78
72
74
73
83
88
88
86
85
87
86
86
85
83
83
85
82
83
85
84
81
81
74

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

353
352
350
350
350
349
349
348
349
349
351
355
356
358
358
359
360
360
355
354
354
352
351
350

Sunday 13

Waning Gibbous 89%

22:48

09:02

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

Sun - Rise: 05:09, Set: 21:08, Transit: 13:08. Moon - Rise: 22:48, Set: 09:02. Civil Dark: 21:50 - 04:27. Nautical Dark: 22:50 - 03:27. Astro Dark: 00:41 - 01:41

Total Clouds (% Sky Obscured)

82
43
92
72
95
88
69
22
18
46
55
22
17
40
46
63
35
52
40
77
84
85
84
94

Low Clouds (% Sky Obscured)

21
8
30
18
38
63
58
22
18
19
18
0
0
0
0
5
1
5
1
0
0
1
1
0

Medium Clouds (% Sky Obscured)

66
43
46
54
89
70
40
19
3
4
43
22
17
25
24
11
29
49
37
27
41
46
37
6

High Clouds (% Sky Obscured)

7
0
0
0
0
1
1
1
6
40
0
7
3
30
25
36
4
0
3
70
70
75
84
94

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 (%)

23
9
12
5
16
18
26
12
11
9
1
0
0
0
0
0
0
0
0
2
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
3
4
5
4
3
1
5
7
5
4
5
5
5
4
4
5
4
4
4
5
5
6
6

Chance of Frost

Temperature (°C)

19
19
22
24
25
25
25
26
25
25
24
22
20
19
18
18
18
17
17
17
17
18
20
23

Feels Like (°C)

18
19
22
23
25
25
25
25
25
25
25
21
21
21
19
19
18
18
17
18
16
18
19
22

Dew Point (°C)

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

Relative Humidity (%)

53
45
37
41
40
49
48
41
38
39
51
54
63
64
67
68
68
73
77
78
78
73
64
56

Pressure (mb)

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

Ozone (du)

350
350
352
350
349
348
350
350
351
351
348
347
345
344
342
338
336
335
332
332
329
322
317
315

Monday 14

Waning Gibbous 81%

23:03

No Set

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 Good
00 Good
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK

Sun - Rise: 05:10, Set: 21:07, Transit: 13:08. Moon - Rise: 23:03, Set: No Set. Civil Dark: 21:49 - 04:28. Nautical Dark: 22:48 - 03:29. Astro Dark: 00:34 - 01:48

Total Clouds (% Sky Obscured)

99
97
99
97
99
89
100
100
100
100
96
69
79
7
11
20
27
22
39
89
77
70
93
33

Low Clouds (% Sky Obscured)

16
25
16
25
46
65
35
35
35
35
3
0
0
2
2
0
6
12
18
26
36
45
39
33

Medium Clouds (% Sky Obscured)

37
51
33
51
68
72
83
71
47
83
29
24
15
6
9
14
16
18
31
27
33
43
36
27

High Clouds (% Sky Obscured)

98
96
98
95
98
51
77
57
99
100
94
50
78
0
0
7
10
6
4
70
44
33
59
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
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
1
4
20
37
11
16
7
5
3
1
1
0
0
0
0
0
1
1
0
16
21

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
9
11
12
12
13
18
15
12
10
10
9
8
7
6
5
4
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
12
11
10
11
20
21
19
20
18
18
18
17
17
16
16
16
16
15
16
15
14
14

Relative Humidity (%)

47
44
39
35
31
32
62
77
73
79
78
83
86
86
88
88
88
89
89
87
88
80
67
59

Pressure (mb)

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

Ozone (du)

314
313
314
313
311
311
310
314
317
316
319
317
316
316
316
314
314
316
317
318
318
322
322
322

Tuesday 15

Waning Gibbous 71%

23:16

10:22

10 OK
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
08 Bad
09 Bad

Sun - Rise: 05:11, Set: 21:06, Transit: 13:08. Moon - Rise: 23:16, Set: 10:22. Civil Dark: 21:48 - 04:29. Nautical Dark: 22:46 - 03:31. Astro Dark: 00:28 - 01:54

Total Clouds (% Sky Obscured)

27
79
95
100
100
100
100
99
97
96
91
86
81
64
48
32
43
55
66
76
88
100
100
100

Low Clouds (% Sky Obscured)

26
32
37
44
52
71
64
52
39
1
11
22
30
22
12
30
1
0
0
2
2
0
3
6

Medium Clouds (% Sky Obscured)

18
24
32
42
48
80
91
84
96
74
72
70
39
24
14
7
34
37
62
54
67
82
89
82

High Clouds (% Sky Obscured)

3
58
83
100
100
100
100
86
69
54
52
46
45
35
30
20
19
33
37
50
76
100
100
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
21
17
13
13
15
27
53
58
49
43
36
19
12
4
1
13
7
17
15
6
1
13
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
25
25
27
28
27
27
26
24
23
22
21
20
19
17
16
16
15
15
14
15
16
17
18

Feels Like (°C)

24
25
23
24
24
24
24
23
22
22
21
21
19
18
17
16
16
15
15
14
15
16
16
16

Dew Point (°C)

12
10
9
7
8
8
9
9
11
15
15
15
15
14
14
14
13
13
13
12
13
13
11
7

Relative Humidity (%)

50
39
34
29
28
30
32
34
41
59
63
70
71
76
81
85
82
90
90
87
87
82
66
49

Pressure (mb)

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

Ozone (du)

318
316
313
312
312
312
312
310
309
311
315
317
320
320
322
322
324
323
321
321
324
322
319
318

Wednesday 16

Waning Gibbous 60%

23:30

11:43

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: 05:12, Set: 21:05, Transit: 13:08. Moon - Rise: 23:30, Set: 11:43. Civil Dark: 21:47 - 04:31. Nautical Dark: 22:45 - 03:33. Astro Dark: 00:22 - 01:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
92
92
92
90
89
89
88
85
81
81
77
74
70
75
76

Low Clouds (% Sky Obscured)

9
14
21
29
43
71
56
72
53
38
18
33
48
53
54
59
56
56
52
39
33
22
25
36

Medium Clouds (% Sky Obscured)

82
86
97
91
85
92
87
36
32
28
56
69
82
78
74
70
67
65
63
59
54
50
48
46

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
84
71
71
47
39
31
29
27
25
35
45
50
45
25
15
13
8

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 (%)

27
46
51
49
47
42
37
32
25
12
0
0
0
0
0
0
2
3
3
3
2
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
9
9
9
8
9
9
10
9
8
5
5
5
6
6
6
6
5
5
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
2
1
0
-1
1
2
3
5
7
9
9
8
8
8
8
7
7
7
8
7
8
8

Relative Humidity (%)

35
33
29
26
24
23
25
25
29
32
39
41
43
45
45
47
47
48
50
51
49
46
45
39

Pressure (mb)

1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

316
316
315
316
315
316
314
312
310
305
302
302
302
302
302
303
303
304
304
305
305
305
305
306

Thursday 17

Waning Gibbous 48%

23:45

13:05

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: 05:13, Set: 21:04, Transit: 13:08. Moon - Rise: 23:45, Set: 13:05. Civil Dark: 21:45 - 04:32. Nautical Dark: 22:43 - 03:35. Astro Dark: 00:17 - 02:04

Total Clouds (% Sky Obscured)

83
77
72
66
67
69
73
75
79
77
65
56
54
60
64
63
73
82
92
81
70
61
55
52

Low Clouds (% Sky Obscured)

50
34
19
3
2
2
1
1
0
0
6
12
19
25
32
36
30
24
17
11
5
0
7
15

Medium Clouds (% Sky Obscured)

44
35
24
15
12
8
5
6
7
13
16
20
26
35
44
49
48
47
46
32
20
13
17
33

High Clouds (% Sky Obscured)

7
7
7
7
12
13
10
11
18
21
39
56
54
50
25
0
33
67
92
78
62
50
42
30

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
8
14

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)

9
12
12
13
13
12
12
12
9
7
4
2
2
4
5
5
6
5
5
5
5
6
6
4

Chance of Frost

Temperature (°C)

24
26
28
30
31
32
33
32
31
30
28
27
25
23
22
22
21
20
20
19
21
22
23
24

Feels Like (°C)

20
21
21
24
24
30
30
29
29
29
29
25
26
26
26
26
26
20
20
20
19
19
18
24

Dew Point (°C)

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

Relative Humidity (%)

36
33
29
27
25
24
23
22
25
28
31
36
39
44
49
53
60
61
61
62
56
52
46
44

Pressure (mb)

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

Ozone (du)

307
308
308
308
308
305
303
301
301
301
300
300
299
298
298
298
298
298
298
299
300
301
302
302

Friday 18

Third Quarter 36%

00:03

14:30

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

Sun - Rise: 05:15, Set: 21:03, Transit: 13:08. Moon - Rise: 00:03, Set: 14:30. Civil Dark: 21:44 - 04:33. Nautical Dark: 22:41 - 03:37. Astro Dark: 00:12 - 02:08

Total Clouds (% Sky Obscured)

67
78
90
100
94
87
78
83
92
100
98
96
92
79
64
47

Low Clouds (% Sky Obscured)

21
19
16
14
13
12
11
8
5
2
1
1
1
1
1
0

Medium Clouds (% Sky Obscured)

40
51
65
73
68
62
49
60
74
89
75
63
49
49
50
47

High Clouds (% Sky Obscured)

24
49
75
100
74
48
13
39
68
100
93
86
79
53
27
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
13
6
1
6
5
0
3
4
3
13
19
27
34
31
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
5
9
14
11
10
9
8
8
7
8
7
9
7
6

Chance of Frost

Temperature (°C)

26
27
29
30
31
31
31
31
30
29
28
27
25
23
22
21

Feels Like (°C)

25
25
26
26
27
31
30
28
28
28
28
25
25
25
23
23

Dew Point (°C)

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

Relative Humidity (%)

43
42
37
34
31
32
33
34
38
42
47
53
60
66
70
75

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

303
303
304
306
307
307
307
308
308
308
308
309
311
312
312
312

Forecast for Kr�lovsk� Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 12/07/25 09:20:46. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+2.00