Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 84%

00:44

07:34

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

Sun - Rise: 05:33, Set: 20:09, Transit: 12:52. Moon - Rise: 00:44, Set: 07:34. Civil Dark: 20:45 - 04:57. Nautical Dark: 21:31 - 04:10. Astro Dark: 22:26 - 03:15

Total Clouds (% Sky Obscured)

18
13
9
3
3
3
3
3
0
2
8
89
100
93
95
83
87
49
41
23
40
45
56
58

Low Clouds (% Sky Obscured)

10
2
2
0
0
0
0
0
0
0
0
0
5
12
13
4
9
12
10
14
4
4
6
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
26
35
95
87
86
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
2
2
3
3
0
1
7
86
100
85
48
40
2
43
34
8
40
36
49
58

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)

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

Chance of Frost

Temperature (°C)

15
14
12
10
9
9
10
9
9
9
9
10
9
9
10
10
12
12
14
15
15
16
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
56
65
76
80
77
73
73
72
70
69
70
69
72
73
72
70
65
59
56
53
52
55
58

Pressure (mb)

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

Ozone (du)

424
420
418
414
414
413
416
416
416
412
409
406
406
406
406
406
406
405
403
400
398
398
398
397

Sunday 28

Waning Gibbous 75%

01:43

08:34

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

Sun - Rise: 05:31, Set: 20:10, Transit: 12:52. Moon - Rise: 01:43, Set: 08:34. Civil Dark: 20:47 - 04:55. Nautical Dark: 21:33 - 04:08. Astro Dark: 22:29 - 03:11

Total Clouds (% Sky Obscured)

79
50
28
70
76
85
90
96
97
100
100
100
60
99
56
40
22
28
22
19
37
48
70
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
10
4
0
11
12
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
16
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

72
39
29
59
68
79
86
95
97
100
100
100
52
98
48
36
11
11
6
10
40
39
77
86

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)

14
13
12
11
10
9
9
10
10
10
9
9
9
8
8
9
11
12
13
15
16
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
14
11
10
10
11
11
11
10
10
10
10
11
11
12
13
13
15
15
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

60
62
68
78
79
70
69
74
79
86
84
83
84
86
79
74
69
65
59
54
52
50
50
52

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

398
398
398
395
394
390
386
382
380
378
374
372
372
372
373
373
373
373
369
366
363
361
360
357

Monday 29

Waning Gibbous 64%

02:29

09:49

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

Sun - Rise: 05:30, Set: 20:12, Transit: 12:51. Moon - Rise: 02:29, Set: 09:49. Civil Dark: 20:48 - 04:53. Nautical Dark: 21:35 - 04:05. Astro Dark: 22:32 - 03:08

Total Clouds (% Sky Obscured)

89
74
79
69
73
89
87
77
85
84
68
64
43
37
32
16
6
0
11
8
13
14
16
19

Low Clouds (% Sky Obscured)

8
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)

91
77
81
68
75
88
88
77
83
78
62
67
48
41
44
26
11
0
20
16
21
25
27
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
14
13
13
11
11
12
11
11
12
12
11
12
13
13
13
14
15
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

57
62
66
70
70
69
68
68
69
69
71
73
73
75
74
68
63
60
56
51
48
49
51
53

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020

Ozone (du)

355
354
353
354
354
356
357
357
357
356
358
360
360
360
359
356
355
353
352
354
358
361
363
364

Tuesday 30

Waning Gibbous 53%

03:02

11:12

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

Sun - Rise: 05:28, Set: 20:13, Transit: 12:51. Moon - Rise: 03:02, Set: 11:12. Civil Dark: 20:50 - 04:51. Nautical Dark: 21:37 - 04:03. Astro Dark: 22:35 - 03:05

Total Clouds (% Sky Obscured)

25
31
38
44
45
52
46
44
39
34
35
35
23
13
0
0
0
0
0
0
0
5
12
18

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
9
16
25

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)

38
49
59
68
76
85
85
83
82
83
84
80
57
28
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
64
65
63
60
57
62
62
62
62
62
64
66
68
64
62
58
54
48
46
45
44
46

Pressure (mb)

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

Ozone (du)

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

Wednesday 1

Third Quarter 41%

03:26

12:39

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

Sun - Rise: 05:26, Set: 20:15, Transit: 12:51. Moon - Rise: 03:26, Set: 12:39. Civil Dark: 20:52 - 04:49. Nautical Dark: 21:40 - 04:01. Astro Dark: 22:37 - 03:02

Total Clouds (% Sky Obscured)

18
19
22
23
24
23
31
37
51
38
30
21
24
28
28
4
9
14
15
18
18
29
38
50

Low Clouds (% Sky Obscured)

24
26
25
27
32
36
30
23
17
15
13
12
12
12
12
4
8
12
15
17
17
19
23
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
2
7
11
15
17
20
21
0
0
0
0
0
0
3
6
9

High Clouds (% Sky Obscured)

0
0
2
1
2
1
27
56
84
58
31
4
4
3
2
0
0
0
1
2
3
9
18
28

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
13
12
12
10
9
8
8
9
9
9
12
13
15
15
15
16
17
17
19
18

Dew Point (°C)

8
9
9
10
9
8
8
7
5
4
4
5
5
5
7
5
6
5
5
4
3
2
3
4

Relative Humidity (%)

50
54
62
71
72
72
76
75
67
67
68
72
74
74
72
57
51
45
41
37
33
30
32
36

Pressure (mb)

1013
1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

358
357
357
354
353
352
352
352
352
351
350
350
349
348
348
348
348
348
348
348
348
348
348
348

Thursday 2

Waning Crescent 30%

03:44

14:06

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

Sun - Rise: 05:24, Set: 20:16, Transit: 12:51. Moon - Rise: 03:44, Set: 14:06. Civil Dark: 20:54 - 04:47. Nautical Dark: 21:42 - 03:58. Astro Dark: 22:40 - 02:59

Total Clouds (% Sky Obscured)

64
79
91
95
93
91
81
69
61
58
50
42
61
80
98
99
98
98
97
94
94
95
97
96

Low Clouds (% Sky Obscured)

28
28
26
31
31
31
28
24
18
12
7
2
11
19
25
24
27
27
36
42
46
49
52
55

Medium Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
0
1
1
2
3
3
13
22
35
33
34
30
29
22
17

High Clouds (% Sky Obscured)

42
53
65
64
59
60
43
33
24
30
32
35
46
60
71
80
85
90
85
74
65
65
60
55

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
1
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
18
10
9
9
8
8
8
7
8
8
8
7
8
11
11
12
12
12
13
16
15

Dew Point (°C)

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

Relative Humidity (%)

40
43
48
53
55
58
61
62
63
64
66
69
73
71
67
65
59
55
51
49
46
43
44
46

Pressure (mb)

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

Ozone (du)

347
347
346
346
347
347
348
347
346
346
345
344
343
343
343
343
343
343
343
344
344
344
345
345

Friday 3

Waning Crescent 20%

04:00

15:32

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

Sun - Rise: 05:23, Set: 20:18, Transit: 12:51. Moon - Rise: 04:00, Set: 15:32. Civil Dark: 20:55 - 04:45. Nautical Dark: 21:44 - 03:56. Astro Dark: 22:44 - 02:55

Total Clouds (% Sky Obscured)

97
96
96
95
94
91
85
78
72
59
43
30
31
35
34
42
50
55
68
82
97

Low Clouds (% Sky Obscured)

51
46
42
36
30
24
24
24
24
17
11
4
2
1
0
8
18
25
32
40
48

Medium Clouds (% Sky Obscured)

19
18
20
23
27
30
34
33
30
22
12
0
0
0
0
0
0
0
18
35
49

High Clouds (% Sky Obscured)

55
50
45
40
40
35
28
26
32
26
21
17
20
24
26
33
36
41
49
57
70

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

Fog (%)

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

Precipitation Probability (%)

13
16
15
13
9
1
2
2
0
0
0
0
0
0
0
0
0
0
4
6
6

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
17
11
11
11
12
11
11
9
8
9
7
7
7
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

47
54
62
71
75
77
81
83
83
83
84
84
84
76
70
63
56
50
45
44
44

Pressure (mb)

1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011

Ozone (du)

345
346
347
348
349
350
351
351
352
352
353
354
355
356
358
359
359
359
359
358
358

Forecast for Šediviny, Rychnov nad Kněžnou District, Czech Republic (50.31,16.31)

Generated: 27/04/24 17:23:30. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+2.00