Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

19:25

04:46

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

Sun - Rise: 05:39, Set: 20:18, Transit: 12:59. Moon - Rise: 19:25, Set: 04:46. Civil Dark: 20:54 - 05:02. Nautical Dark: 21:41 - 04:15. Astro Dark: 22:36 - 03:19

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
1
3
3
2
3
1
0
0
0
4
4
9
67

Low Clouds (% Sky Obscured)

1
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
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
3
2
3
1
0
0
0
4
4
7
67

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)

13
10
8
6
3
3
2
2
2
2
2
2
3
5
7
8
8
7
7
7
7
6
5
4

Chance of Frost

Temperature (°C)

9
7
6
5
4
3
2
1
1
1
1
1
5
7
9
10
11
13
13
14
14
14
14
14

Feels Like (°C)

5
4
4
3
3
1
1
1
0
-1
0
0
4
4
6
8
8
10
11
11
12
12
13
13

Dew Point (°C)

-2
-4
-4
-5
-5
-6
-6
-6
-6
-6
-6
-7
-5
-5
-5
-4
-4
-3
-2
-2
-2
-2
-1
1

Relative Humidity (%)

45
47
49
52
53
55
56
58
59
60
62
57
50
42
38
36
35
35
34
34
33
33
34
42

Pressure (mb)

1029
1030
1031
1031
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1030
1030
1029
1029
1029

Ozone (du)

427
427
425
423
419
418
416
416
415
414
413
411
411
409
407
408
408
407
406
406
405
404
404
403

Thursday 30

Waxing Gibbous 99%

No Rise

05:01

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

Sun - Rise: 05:37, Set: 20:19, Transit: 12:59. Moon - Rise: No Rise, Set: 05:01. Civil Dark: 20:56 - 05:00. Nautical Dark: 21:43 - 04:13. Astro Dark: 22:39 - 03:16

Total Clouds (% Sky Obscured)

9
6
10
12
5
6
12
10
11
8
4
2
0
0
0
0
0
0
1
4
9
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
1
1
1
0
0
0
0
0
0
1
4
9
0
0
0

Medium Clouds (% Sky Obscured)

2
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)

4
4
8
10
5
4
7
4
6
3
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
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)

3
3
3
3
3
3
2
2
1
2
2
2
1
2
3
3
4
4
4
5
4
4
3
3

Chance of Frost

Temperature (°C)

12
10
9
8
6
5
5
4
3
3
3
4
8
10
13
15
17
18
19
19
20
20
19
18

Feels Like (°C)

10
9
8
6
5
4
4
4
3
3
3
4
8
11
13
15
16
18
19
19
20
20
20
19

Dew Point (°C)

1
0
0
-1
-2
-3
-3
-3
-3
-3
-3
-3
-1
1
3
4
5
5
5
6
6
7
7
9

Relative Humidity (%)

46
49
52
53
56
58
59
61
62
63
64
61
55
51
48
46
44
42
41
41
42
43
45
54

Pressure (mb)

1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1027
1026

Ozone (du)

403
402
402
401
399
397
395
395
394
393
393
392
391
391
391
393
392
392
392
391
391
391
391
391

Friday 1

Full Moon 100%

20:38

05:20

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

Sun - Rise: 05:35, Set: 20:21, Transit: 12:59. Moon - Rise: 20:38, Set: 05:20. Civil Dark: 20:58 - 04:58. Nautical Dark: 21:45 - 04:11. Astro Dark: 22:41 - 03:13

Total Clouds (% Sky Obscured)

2
2
3
3
3
4
3
4
4
3
3
4
5
0
0
0
0
0
1
1
2
1
1
0

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)

2
2
3
3
3
4
3
4
4
3
3
4
5
0
0
0
0
0
1
1
1
1
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

17
14
12
11
10
9
8
8
7
6
6
7
10
14
17
19
21
22
23
23
24
24
23
21

Feels Like (°C)

17
15
13
11
11
10
8
8
6
6
6
7
11
14
16
18
20
21
22
22
22
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

61
66
66
70
74
77
78
81
81
82
80
78
67
60
52
44
40
36
34
32
33
35
41
51

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1025
1024
1023
1023
1022
1021
1020
1020
1019

Ozone (du)

390
388
387
387
387
388
387
387
387
387
387
387
387
386
386
385
385
384
385
384
384
383
383
383

Saturday 2

Waning Gibbous 98%

21:50

05:44

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

Sun - Rise: 05:33, Set: 20:22, Transit: 12:59. Moon - Rise: 21:50, Set: 05:44. Civil Dark: 20:59 - 04:56. Nautical Dark: 21:47 - 04:08. Astro Dark: 22:44 - 03:10

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
11
28
45
69
61
41
27
24
19
13

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
1
2
3
4
7
8
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
9
26
45
69
61
38
24
20
11
4

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
6
6
5
4
3
3
3
3
4
3
3
3
2
1
0
1
1
2
2
2
3
4

Chance of Frost

Temperature (°C)

20
17
15
12
12
11
10
10
9
8
9
10
12
15
17
20
22
23
25
25
25
25
25
23

Feels Like (°C)

19
16
14
12
12
12
11
10
9
9
9
11
12
15
18
22
23
25
25
25
25
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

57
64
69
72
75
76
78
77
78
79
80
76
67
59
53
47
42
38
36
33
32
33
36
45

Pressure (mb)

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

Ozone (du)

383
383
383
384
384
385
385
386
386
386
386
385
385
386
389
389
388
386
385
383
381
378
376
375

Sunday 3

Waning Gibbous 95%

22:59

06:16

20 OK
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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:32, Set: 20:24, Transit: 12:58. Moon - Rise: 22:59, Set: 06:16. Civil Dark: 21:01 - 04:54. Nautical Dark: 21:49 - 04:06. Astro Dark: 22:47 - 03:07

Total Clouds (% Sky Obscured)

34
52
81
72
71
57
55
56
45
63
65
68
100
100
100
98
96
94
92
91
91
83
75
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
14
21
15
8
3
3
3
3

Medium Clouds (% Sky Obscured)

9
8
7
9
10
10
6
37
32
8
8
13
34
44
55
65
78
90
91
91
91
83
72
61

High Clouds (% Sky Obscured)

27
49
81
66
53
25
25
29
14
50
55
68
100
100
100
85
70
55
55
55
50
39
18
9

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 (%)

1
2
2
3
2
2
2
7
6
2
0
0
21
17
8
13
11
8
12
11
7
8
8
7

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
4
4
3
3
2
2
2
2
1
1
1
1
2
2
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

21
19
17
16
15
14
13
12
11
11
11
13
14
16
18
20
21
21
23
23
23
23
22
20

Feels Like (°C)

22
20
18
15
14
12
12
11
10
10
10
12
14
15
15
16
17
17
19
23
23
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

53
61
65
67
69
69
71
71
73
76
77
72
67
62
57
52
50
47
45
45
45
46
52
59

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

373
372
371
370
370
370
369
367
366
365
366
366
365
367
368
369
370
371
372
373
374
375
376
377

Monday 4

Waning Gibbous 90%

00:01

06:59

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

Sun - Rise: 05:30, Set: 20:25, Transit: 12:58. Moon - Rise: 00:01, Set: 06:59. Civil Dark: 21:03 - 04:52. Nautical Dark: 21:51 - 04:04. Astro Dark: 22:50 - 03:03

Total Clouds (% Sky Obscured)

61
49
35
40
45
50
53
59
64
67
74
75
70
67
57
64
71
83
89
94
100
98
96
95

Low Clouds (% Sky Obscured)

2
1
1
1
1
2
8
13
15
8
4
0
0
0
0
0
0
1
0
0
0
3
9
17

Medium Clouds (% Sky Obscured)

47
33
19
18
19
19
14
10
4
3
2
1
2
3
4
28
54
76
51
25
0
24
47
66

High Clouds (% Sky Obscured)

9
6
6
7
9
10
14
13
9
17
29
37
31
24
18
18
18
18
46
74
100
91
85
76

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 (%)

35
42
41
33
24
2
8
12
4
3
2
0
0
0
0
0
0
0
0
1
0
10
25
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
12
12
12
11
11
10
11
11
11
11
11
11
11
11
10
11
11
11
13
14

Relative Humidity (%)

68
72
79
86
86
87
89
87
89
88
86
80
76
69
62
56
51
47
42
43
44
44
54
65

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1004
1004
1003
1002
1002

Ozone (du)

378
377
376
375
375
374
374
374
374
374
373
373
373
373
373
373
372
371
370
370
371
371
370
369

Tuesday 5

Waning Gibbous 83%

00:53

07:53

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:28, Set: 20:27, Transit: 12:58. Moon - Rise: 00:53, Set: 07:53. Civil Dark: 21:04 - 04:51. Nautical Dark: 21:53 - 04:01. Astro Dark: 22:53 - 03:00

Total Clouds (% Sky Obscured)

97
98
99
97
93
90
83
76
67
76
88
99
97
96
96
97
99
100

Low Clouds (% Sky Obscured)

17
14
10
20
29
39
33
27
22
32
38
44
44
43
41
51
58
71

Medium Clouds (% Sky Obscured)

69
61
63
46
29
14
12
11
11
16
20
25
29
29
26
35
44
53

High Clouds (% Sky Obscured)

82
90
99
97
93
90
69
42
8
34
63
94
96
96
96
97
99
100

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 (%)

31
36
42
35
28
12
12
8
0
0
0
0
3
5
5
20
28
36

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)

6
4
4
6
6
6
5
5
5
5
5
6
8
7
8
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
17
17
17
16
15
15
13
13
13
13
13
13
15
15
15
16
15

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
79
82
84
90
90
90
93
89
86
83
75
68
62
57
53

Pressure (mb)

1002
1002
1003
1003
1003
1003
1004
1004
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

368
367
366
365
364
363
362
361
360
359
360
360
361
361
361
361
361
360

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

Generated: 29/04/26 20:20:57. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+2.00