Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 23

First Quarter 64%

13:37

02:15

23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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 OK

Sun - Rise: 05:04, Set: 20:54, Transit: 12:59. Moon - Rise: 13:37, Set: 02:15. Civil Dark: 21:35 - 04:22. Nautical Dark: 22:32 - 03:25. Astro Dark: 23:59 - 01:53

Total Clouds (% Sky Obscured)

10
18
10
6
2
0
0
0
6
73
70
57
85
83
82
88
96
97
100
88
72
64
66
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
27
21
21
5
11
25
0
5
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
34
27
34
29
23
76
37
58
20
5
41
0

High Clouds (% Sky Obscured)

10
7
8
4
2
0
0
0
6
73
70
57
71
62
61
72
92
88
100
85
72
64
60
17

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
8
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
22
60
46
8
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
14
15
16
19
21
23
25
27
28
28
29
29
29
28
27
26
23
22

Feels Like (°C)

21
20
19
18
17
17
16
17
18
21
22
24
26
26
28
28
28
29
29
27
26
25
24
22

Dew Point (°C)

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

Relative Humidity (%)

73
77
79
81
83
83
86
84
78
71
68
64
57
51
47
45
44
46
46
54
62
83
87
89

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1026
1026
1027
1027
1028
1029

Ozone (du)

332
334
337
336
337
336
334
333
330
326
324
323
324
322
321
319
319
319
317
316
316
316
316
316

Sunday 24

Waxing Gibbous 73%

14:51

02:28

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

Sun - Rise: 05:03, Set: 20:55, Transit: 12:59. Moon - Rise: 14:51, Set: 02:28. Civil Dark: 21:36 - 04:21. Nautical Dark: 22:34 - 03:23. Astro Dark: 00:04 - 01:49

Total Clouds (% Sky Obscured)

46
36
30
26
20
13
21
19
12
9
7
11
23
27
5
14
42
44
4
4
3
3
3
3

Low Clouds (% Sky Obscured)

0
9
18
26
18
0
4
3
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)

40
30
18
13
8
11
8
11
12
8
7
9
20
24
4
13
41
38
4
4
3
3
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
21
19
19
18
18
17
17
18
19
20
21
22
24
24
25
26
27
27
27
27
26
24
22

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
90
92
93
93
93
85
76
63
56
48
44
40
38
39
39
41
46
53
59
62
66

Pressure (mb)

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

Ozone (du)

315
313
310
308
307
307
306
304
304
305
307
307
307
307
307
306
306
306
307
309
309
308
309
309

Monday 25

Waxing Gibbous 82%

16:03

02:41

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
20 Good
21 Good
22 Good

Sun - Rise: 05:02, Set: 20:56, Transit: 12:59. Moon - Rise: 16:03, Set: 02:41. Civil Dark: 21:38 - 04:20. Nautical Dark: 22:36 - 03:22. Astro Dark: 00:09 - 01:43

Total Clouds (% Sky Obscured)

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

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

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)

2
2
2
2
2
2
2
2
2
3
4
6
6
7
7
7
7
7
7
7
7
6
4
3

Chance of Frost

Temperature (°C)

20
19
17
17
16
15
15
15
16
19
21
23
24
25
27
27
28
29
29
28
27
26
24
22

Feels Like (°C)

22
21
19
18
18
17
17
16
19
21
23
24
25
26
27
28
28
29
29
28
28
27
26
24

Dew Point (°C)

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

Relative Humidity (%)

67
70
72
77
79
82
84
83
77
69
65
60
56
52
46
42
41
42
43
47
54
61
67
73

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1026
1026
1025
1025
1024
1024
1024
1024

Ozone (du)

308
308
309
309
309
309
310
311
311
312
311
312
313
313
312
312
313
314
315
315
315
315
314
314

Tuesday 26

Waxing Gibbous 89%

17:15

02:54

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

Sun - Rise: 05:01, Set: 20:57, Transit: 12:59. Moon - Rise: 17:15, Set: 02:54. Civil Dark: 21:39 - 04:19. Nautical Dark: 22:38 - 03:20. Astro Dark: 00:14 - 01:38

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
9
42
64
62
51
45
39
27
11
20
23
1
1
2
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
32
50
50
43
30
23
14
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
25
20
4
20
23
1
0
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
7
13
9
12
3
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
2
3
3
4
4
4
4
4
7
9
10
10
9
10
11
11
13
14
13
11
10
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
14
13
14
13
13
15
14
14
15
15
15
16
16
16
14
11
10
9
7
7
6
5

Relative Humidity (%)

75
76
77
79
82
83
85
85
77
70
70
69
70
70
68
68
57
47
46
46
44
50
50
53

Pressure (mb)

1024
1024
1024
1023
1023
1023
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1024

Ozone (du)

316
316
316
316
315
316
317
317
319
320
322
324
328
331
328
325
325
326
328
334
335
335
336
336

Wednesday 27

Waxing Gibbous 94%

18:27

03:08

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
20 Good
21 Good
22 Good

Sun - Rise: 05:00, Set: 20:58, Transit: 12:59. Moon - Rise: 18:27, Set: 03:08. Civil Dark: 21:41 - 04:18. Nautical Dark: 22:40 - 03:18. Astro Dark: 00:20 - 01:31

Total Clouds (% Sky Obscured)

0
1
2
2
2
3
3
5
5
4
5
5
5
3
2
6
10
12
14
15
17
15
14
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
10
12
9
5
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)

0
1
1
2
2
2
1
3
2
2
4
5
5
3
2
2
2
2
6
11
15
11
7
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)

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

Chance of Frost

Temperature (°C)

13
12
12
11
10
9
9
10
12
13
15
16
17
18
20
20
20
21
21
19
18
16
15
13

Feels Like (°C)

13
12
12
11
10
10
8
10
12
13
14
15
16
17
19
20
19
19
19
19
19
19
14
13

Dew Point (°C)

4
5
5
5
5
5
4
5
6
6
5
5
5
5
5
5
5
5
5
5
6
6
6
5

Relative Humidity (%)

55
59
63
66
68
72
74
73
66
59
51
47
43
40
38
37
36
36
36
40
45
50
54
58

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1022
1022
1023

Ozone (du)

337
335
333
332
331
332
333
333
334
335
336
336
338
339
341
341
341
341
341
340
339
337
338
338

Thursday 28

Waxing Gibbous 94%

19:39

03:25

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
20 Good
21 Good
22 Good

Sun - Rise: 04:59, Set: 20:59, Transit: 12:59. Moon - Rise: 19:39, Set: 03:25. Civil Dark: 21:42 - 04:17. Nautical Dark: 22:42 - 03:17. Astro Dark: 00:27 - 01:23

Total Clouds (% Sky Obscured)

10
10
9
9
9
7
9
11
13
12
10
7
6
5
3
2
1
1
1
1
1
1
1
1

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
1
3
3
2
2
6
11
13
12
9
5
4
2
1
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 (%)

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

Chance of Frost

Temperature (°C)

12
11
10
9
9
9
8
10
12
14
16
17
20
21
21
23
23
23
23
22
20
19
18
16

Feels Like (°C)

13
12
12
12
8
9
9
9
9
9
15
15
16
17
17
18
22
21
21
21
21
21
17
16

Dew Point (°C)

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

Relative Humidity (%)

62
65
68
72
73
74
75
69
64
59
53
48
44
40
36
33
33
34
35
39
45
50
54
58

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

338
338
338
338
338
338
339
339
338
338
339
339
339
338
337
336
336
335
335
335
335
335
336
337

Friday 29

Waxing Gibbous 98%

20:49

03:48

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

Sun - Rise: 04:58, Set: 21:01, Transit: 12:59. Moon - Rise: 20:49, Set: 03:48. Civil Dark: 21:43 - 04:16. Nautical Dark: 22:43 - 03:15. Astro Dark: 00:35 - 01:12

Total Clouds (% Sky Obscured)

7
12
18
31
48
71
82
83
85
76
67
62
63
59
51
47
43
38
37
33
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
20
30
23
15
6
6
7
9

Medium Clouds (% Sky Obscured)

1
1
2
18
37
64
48
35
35
39
36
26
21
12
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

7
12
18
31
46
56
72
83
85
65
33
0
11
19
28
21
11
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

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 (%)

0
0
0
0
0
0
0
0
0
4
7
13
11
6
0
0
0
0
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
12
12
11
11
13
15
17
18
20
22
23
24
24
25
25
25
23
22

Feels Like (°C)

16
15
15
14
12
12
11
12
12
12
18
18
19
19
20
20
25
25
24
24
24

Dew Point (°C)

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

Relative Humidity (%)

61
63
65
68
70
73
75
71
68
65
61
58
55
52
50
47
46
44
42
46
51

Pressure (mb)

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

Ozone (du)

338
337
337
337
338
339
340
340
341
341
342
342
343
345
347
349
350
350
350
351
352

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

Generated: 23/05/26 23:02:12. Forecast: 23/05/26 to 29/05/26. Timezone: UTC+2.00