Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:35

08:43

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

Sun - Rise: 05:38, Set: 20:19, Transit: 12:59. Moon - Rise: 02:35, Set: 08:43. Civil Dark: 20:55 - 05:01. Nautical Dark: 21:42 - 04:14. Astro Dark: 22:37 - 03:18

Total Clouds (% Sky Obscured)

31
40
40
17
14
20
60
96
100
99
96
93
64
60
58
56
35
13
9
18
12
7
5
12

Low Clouds (% Sky Obscured)

0
0
6
5
4
4
6
17
37
45
26
5
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
14
15
16
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
44
44
3
5
6
28
46
45
61
69
40
49
48
47
46
27
11
7
21
8
4
4
12

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
1
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)

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

Chance of Frost

Temperature (°C)

10
12
14
17
18
20
21
22
23
24
24
23
22
21
19
18
17
17
16
16
15
14
13
13

Feels Like (°C)

11
11
13
16
18
19
21
22
23
24
24
23
22
21
20
18
16
15
16
15
14
13
12
12

Dew Point (°C)

9
9
10
11
11
12
12
12
12
14
15
16
15
15
14
12
10
10
10
10
9
8
8
7

Relative Humidity (%)

91
83
74
68
63
59
55
52
49
54
56
62
64
70
75
71
64
62
64
68
70
70
70
69

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

371
368
366
364
364
363
361
357
353
352
354
357
358
358
359
360
362
362
363
362
362
361
360
361

Tuesday 30

Waning Gibbous 62%

03:08

09:58

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

Sun - Rise: 05:36, Set: 20:20, Transit: 12:59. Moon - Rise: 03:08, Set: 09:58. Civil Dark: 20:57 - 04:59. Nautical Dark: 21:44 - 04:12. Astro Dark: 22:40 - 03:15

Total Clouds (% Sky Obscured)

7
13
13
39
31
20
12
9
26
12
6
34
23
19
4
49
69
69
55
60
60
6
38
30

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

High Clouds (% Sky Obscured)

7
11
13
38
26
21
12
7
28
10
4
33
22
19
3
46
69
69
55
55
60
7
38
24

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)

6
7
10
12
14
16
17
17
17
16
16
16
16
14
13
12
12
11
10
10
9
9
10
9

Chance of Frost

Temperature (°C)

14
16
18
20
22
24
24
25
25
25
24
23
21
20
19
18
17
17
16
16
15
14
14
13

Feels Like (°C)

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

Dew Point (°C)

8
9
10
10
11
11
11
11
12
13
13
13
13
12
10
10
9
9
9
9
8
6
5
3

Relative Humidity (%)

70
65
58
53
48
45
44
42
44
46
50
53
57
59
57
59
60
60
61
63
61
55
53
50

Pressure (mb)

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

Ozone (du)

364
365
364
363
362
361
362
362
365
368
370
371
373
375
376
375
372
370
369
369
370
369
366
368

Wednesday 1

Third Quarter 53%

03:33

11:21

07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
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

Sun - Rise: 05:34, Set: 20:22, Transit: 12:59. Moon - Rise: 03:33, Set: 11:21. Civil Dark: 20:58 - 04:57. Nautical Dark: 21:46 - 04:09. Astro Dark: 22:43 - 03:11

Total Clouds (% Sky Obscured)

10
0
0
0
0
0
0
3
6
4
26
25
25
25
30
35
40
40
45
45
50
50
50
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0

High Clouds (% Sky Obscured)

8
0
0
0
0
0
0
2
2
2
35
25
25
30
30
35
35
30
35
35
35
40
40
43

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)

9
10
13
16
18
19
20
20
19
18
17
15
14
12
11
11
11
11
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
8
9
9
10
11
11
12
12
12
12
12
12
12
11
11
10
10
9
9
9
9
9
10

Relative Humidity (%)

52
59
57
53
53
51
50
50
50
51
53
56
60
63
65
67
68
69
68
71
70
70
74
75

Pressure (mb)

1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007

Ozone (du)

367
366
367
367
366
365
362
360
360
360
359
359
359
358
359
360
359
358
358
356
357
359
359
361

Thursday 2

Waning Crescent 41%

03:51

12:48

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

Sun - Rise: 05:32, Set: 20:23, Transit: 12:59. Moon - Rise: 03:51, Set: 12:48. Civil Dark: 21:00 - 04:55. Nautical Dark: 21:48 - 04:07. Astro Dark: 22:46 - 03:08

Total Clouds (% Sky Obscured)

35
56
39
58
63
54
76
72
66
40
25
20
5
33
71
100
98
99
100
87
76
69
81
90

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
4
6
13
10
5
8
3
5
18
20
13
14
15
15
20
20
20
20

Medium Clouds (% Sky Obscured)

0
1
0
0
18
32
44
37
27
20
12
5
0
12
23
35
30
30
30
24
22
58
30
16

High Clouds (% Sky Obscured)

22
41
41
63
48
25
1
2
2
2
2
1
1
27
50
70
71
67
95
78
49
40
35
47

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
8
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
3
4
25
19
9
3
1
0
4
1
1
16
21
28
30
29
24
23

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
9
11
12
14
16
16
17
16
16
15
14
14
12
12
11
9
7
7
9
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
13
13
16
17
17
18
17
17
17
18
18
16
15
15
13
13
14
12
9
9
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

76
73
64
59
56
52
48
50
52
55
52
53
57
59
66
72
70
74
80
82
84
83
84
83

Pressure (mb)

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

Ozone (du)

363
363
365
365
364
364
365
366
366
368
370
372
372
369
367
366
365
360
361
360
358
357
354
354

Friday 3

Waning Crescent 30%

04:07

14:14

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
05 Bad
06 Bad

Sun - Rise: 05:31, Set: 20:25, Transit: 12:59. Moon - Rise: 04:07, Set: 14:14. Civil Dark: 21:02 - 04:53. Nautical Dark: 21:50 - 04:05. Astro Dark: 22:49 - 03:05

Total Clouds (% Sky Obscured)

100
86
73
59
73
86
100
92
83
75
68
62
55
85
71
60
62
70
71
77
87
85
85
85

Low Clouds (% Sky Obscured)

20
20
15
10
20
25
26
21
11
5
5
5
5
15
13
11
8
8
5
2
3
3
4
3

Medium Clouds (% Sky Obscured)

13
46
46
37
49
56
46
63
37
24
18
12
6
24
41
62
65
74
80
83
81
75
73
62

High Clouds (% Sky Obscured)

68
50
33
47
61
81
87
55
43
24
18
21
38
83
69
51
55
64
79
76
82
75
75
75

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 (%)

5
14
6
5
4
15
2
0
3
13
0
1
0
26
18
7
20
23
6
8
9
0
1
1

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)

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

Chance of Frost

Temperature (°C)

12
13
14
15
17
17
18
18
18
18
18
18
17
17
15
14
13
13
12
12
11
10
9
10

Feels Like (°C)

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

Dew Point (°C)

9
10
11
12
14
14
14
14
14
13
13
13
13
12
11
10
10
10
10
10
9
9
8
8

Relative Humidity (%)

81
80
82
82
79
78
76
77
77
74
73
72
73
73
75
78
79
81
84
87
88
90
91
85

Pressure (mb)

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

Ozone (du)

354
355
355
355
355
354
355
355
356
355
354
354
353
351
350
349
348
348
348
347
347
347
347
347

Saturday 4

Waning Crescent 19%

04:22

15:40

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:29, Set: 20:26, Transit: 12:58. Moon - Rise: 04:22, Set: 15:40. Civil Dark: 21:04 - 04:51. Nautical Dark: 21:52 - 04:03. Astro Dark: 22:52 - 03:02

Total Clouds (% Sky Obscured)

85
83
84
85
74
64
52
65
78
93
83
72
63
51
39
27
49
67
84
89
94
98
97
96

Low Clouds (% Sky Obscured)

2
9
17
24
22
17
10
26
41
57
56
55
56
51
46
41
49
57
65
65
62
56
39
21

Medium Clouds (% Sky Obscured)

49
54
54
63
57
48
40
34
34
31
25
27
22
24
30
32
29
28
24
32
40
50
56
67

High Clouds (% Sky Obscured)

70
59
57
56
41
23
3
2
2
1
1
0
0
1
2
3
13
26
34
36
47
50
38
36

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
1
1
0
6
8
6
21
25
26
21
14
3
10
14
16
16
17
15
15
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)

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

Chance of Frost

Temperature (°C)

11
11
13
14
16
17
18
19
18
18
18
17
16
15
14
13
11
11
10
9
9
8
8
8

Feels Like (°C)

9
8
10
11
12
12
12
13
18
18
17
17
17
17
13
13
13
12
12
11
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

81
76
70
63
59
56
54
52
52
52
53
59
65
73
75
80
83
84
84
84
87
87
90
88

Pressure (mb)

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

Ozone (du)

347
347
347
348
348
349
350
351
355
358
361
365
369
374
367
361
354
354
353
353
353
354
354
355

Sunday 5

Waning Crescent 11%

04:36

17:07

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: 05:27, Set: 20:28, Transit: 12:58. Moon - Rise: 04:36, Set: 17:07. Civil Dark: 21:05 - 04:50. Nautical Dark: 21:54 - 04:00. Astro Dark: 22:55 - 02:59

Total Clouds (% Sky Obscured)

96
97
99
100
100
100
100
99
98
98
97
97
96
92
89
85
79
74
70

Low Clouds (% Sky Obscured)

4
34
61
86
87
87
88
90
91
93
88
83
77
73
69
68
61
55
48

Medium Clouds (% Sky Obscured)

76
87
93
100
100
100
100
98
95
93
86
80
74
64
55
45
45
49
52

High Clouds (% Sky Obscured)

30
27
29
40
40
50
65
73
72
70
67
64
55
48
37
36
30
24
16

ISS Passover

Visibility (miles)

9
9
8
7
5
7
8
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

Precipitation Type

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

Precipitation Probability (%)

15
23
30
36
68
83
83
73
63
46
45
46
46
42
40
38
37
37
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
12
15
14
12
11
11
12
12
10
7
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
85
84
87
90
90
84
76
71
72
76
77
81
85
88
87
87

Pressure (mb)

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

Ozone (du)

355
355
358
361
365
367
370
373
375
377
379
380
381
381
383
384
385
384
383

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

Generated: 29/04/24 07:30:46. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+2.00