Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 31%

09:34

01:14

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

Sun - Rise: 05:07, Set: 20:48, Transit: 12:58. Moon - Rise: 09:34, Set: 01:14. Civil Dark: 21:29 - 04:26. Nautical Dark: 22:24 - 03:30. Astro Dark: 23:46 - 02:07

Total Clouds (% Sky Obscured)

77
83
55
41
43
38
34
29
47
45
40
35
49
28
22
67
92
94
86
93
72
95
37
51

Low Clouds (% Sky Obscured)

25
9
23
21
9
33
20
1
0
0
16
13
0
1
21
44
61
63
54
67
33
45
26
32

Medium Clouds (% Sky Obscured)

28
33
49
41
43
38
28
28
45
39
24
29
42
28
19
40
33
39
42
23
28
29
27
44

High Clouds (% Sky Obscured)

59
5
1
0
0
0
5
9
20
20
17
11
21
3
0
29
60
7
6
7
39
18
4
8

ISS Passover

Visibility (miles)

3
4
6
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
9
9
9
7
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

78
70
56
23
7
1
0
0
0
0
0
0
0
0
0
29
40
35
32
27
19
17
7
13

Precipitation Amount (mm)

0.8
0.5
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
8
7
5
5
5
5
5
5
4
4
4
4
4
4
6
7
6
5
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
88
92
92
92
93
93
95
95
95
95
95
90
84
77
72
72
70
66
64
58
58
54

Pressure (mb)

1022
1022
1022
1023
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

366
366
362
360
359
360
359
359
359
360
362
364
365
367
367
367
361
358
356
353
353
351
348
346

Thursday 21

Waxing Crescent 28%

10:59

01:40

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

Sun - Rise: 05:06, Set: 20:50, Transit: 12:58. Moon - Rise: 10:59, Set: 01:40. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:26 - 03:29. Astro Dark: 23:50 - 02:02

Total Clouds (% Sky Obscured)

84
98
100
94
86
81
23
24
26
46
15
13
41
36
39
65
72
86
72
84
88
67
99
93

Low Clouds (% Sky Obscured)

17
41
9
3
10
0
0
0
0
0
0
0
0
0
0
0
16
43
30
7
8
7
6
3

Medium Clouds (% Sky Obscured)

31
41
27
22
29
43
8
12
14
9
2
0
4
0
0
5
7
16
8
32
44
38
31
20

High Clouds (% Sky Obscured)

66
93
100
91
82
78
13
16
13
42
10
8
35
33
34
61
65
70
72
61
54
23
98
79

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 (%)

9
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
14
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
64
70
72
77
79
82
84
84
86
87
88
88
81
76
72
67
63
57
54
52
51
51
50

Pressure (mb)

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

Ozone (du)

345
344
343
343
342
341
339
339
338
337
335
332
331
331
330
328
330
331
331
329
328
326
326
326

Friday 22

Waxing Crescent 42%

12:20

02:00

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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 Bad
17 Bad

Sun - Rise: 05:05, Set: 20:51, Transit: 12:59. Moon - Rise: 12:20, Set: 02:00. Civil Dark: 21:32 - 04:24. Nautical Dark: 22:28 - 03:27. Astro Dark: 23:55 - 01:58

Total Clouds (% Sky Obscured)

58
71
75
66
22
20
6
2
9
9
3
0
0
3
3
4
4
12
10
13
15
18
50
70

Low Clouds (% Sky Obscured)

8
23
27
17
0
4
0
0
0
0
0
0
0
0
0
0
0
3
6
12
9
10
29
45

Medium Clouds (% Sky Obscured)

10
25
31
18
22
20
6
2
4
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

58
71
75
66
4
4
0
0
4
4
3
0
0
3
3
4
4
7
5
4
7
4
7
7

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
15
15
15
14
14
14
13
12
12
12
12
11
11
12
13
14
14
14
14
14
14
15
15

Relative Humidity (%)

50
61
64
69
73
77
79
82
82
84
84
87
86
80
74
68
63
58
55
52
49
48
49
52

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028

Ozone (du)

327
328
329
330
332
333
333
333
333
335
336
337
337
336
336
337
337
336
336
336
338
339
341
340

Saturday 23

First Quarter 53%

13:37

02:15

18 Bad
19 Bad
20 Bad
21 Good
22 Good
23 Good
00 Good
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 OK
14 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:04, Set: 20:52, Transit: 12:59. Moon - Rise: 13:37, Set: 02:15. Civil Dark: 21:34 - 04:22. Nautical Dark: 22:30 - 03:25. Astro Dark: 23:59 - 01:53

Total Clouds (% Sky Obscured)

70
70
60
7
4
10
17
23
26
33
45
35
22
5
9
8
10
19
27
36
39
46
57
70

Low Clouds (% Sky Obscured)

40
40
37
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
12
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
5
5
2
0
0
0
0
4
7
11
14

High Clouds (% Sky Obscured)

6
6
6
5
2
10
17
22
26
33
45
30
17
0
5
5
8
17
27
36
39
39
40
62

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 (%)

10
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
6
7
5
4
7
14
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
66
69
70
77
78
81
81
82
82
83
84
85
78
72
67
63
58
53
50
47
48
49
53

Pressure (mb)

1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1028
1028
1027
1027
1027

Ozone (du)

339
339
338
337
334
334
336
335
335
334
332
334
333
334
335
337
340
336
332
331
331
330
328
325

Sunday 24

Waxing Gibbous 64%

14:51

02:28

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

Sun - Rise: 05:03, Set: 20:54, Transit: 12:59. Moon - Rise: 14:51, Set: 02:28. Civil Dark: 21:35 - 04:21. Nautical Dark: 22:32 - 03:23. Astro Dark: 00:04 - 01:49

Total Clouds (% Sky Obscured)

67
73
50
24
41
45
50
50
6
17
5
11
15
19
19
19
22
17
11
5
10
16
18
12

Low Clouds (% Sky Obscured)

0
1
0
2
0
0
0
0
0
0
0
6
12
17
11
13
15
10
7
2
2
2
1
1

Medium Clouds (% Sky Obscured)

15
17
12
6
0
0
0
0
0
0
0
4
7
12
4
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
73
48
24
31
26
30
25
2
9
2
2
3
4
5
7
8
7
5
4
10
16
18
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 (%)

37
33
3
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
7
6
5
4
4
4
4
4
3
3
3
3
4
5
6
7
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
28
27
27
25
22
20
18
16
18
16
15
16
16
17
16
18
18
19
20
20
24
24
24

Dew Point (°C)

20
20
20
21
20
18
16
15
13
13
13
11
11
11
11
10
11
11
11
11
12
12
12
13

Relative Humidity (%)

63
64
70
77
80
79
76
76
76
79
82
82
80
75
68
62
57
52
49
47
45
45
46
47

Pressure (mb)

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

Ozone (du)

322
319
317
316
315
316
318
318
317
318
318
318
318
317
318
318
318
318
318
318
318
318
318
318

Monday 25

Waxing Gibbous 73%

16:03

02:41

18 Good
19 Good
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

Sun - Rise: 05:02, Set: 20:55, Transit: 12:59. Moon - Rise: 16:03, Set: 02:41. Civil Dark: 21:36 - 04:20. Nautical Dark: 22:34 - 03:22. Astro Dark: 00:09 - 01:43

Total Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

6
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

24
23
22
21
19
17
17
15
14
14
13
13
14
16
17
19
21
22
23
24
25
25
25
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
56
62
65
68
71
73
75
79
80
83
84
80
75
71
64
60
54
51
48
45
45
44
43

Pressure (mb)

1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1027

Ozone (du)

317
317
316
315
314
314
313
312
312
312
312
313
313
314
315
316
316
317
317
317
318
318
318
318

Tuesday 26

Waxing Gibbous 82%

17:15

02:54

18 Good
19 Good
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

Sun - Rise: 05:01, Set: 20:56, Transit: 12:59. Moon - Rise: 17:15, Set: 02:54. Civil Dark: 21:38 - 04:19. Nautical Dark: 22:36 - 03:20. Astro Dark: 00:14 - 01:38

Total Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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
0
0
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
27
26
23
23
23
22
22
21
18
18
18
17
18
18
23
24
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

49
54
60
65
69
74
77
79
80
83
83
86
81
76
71
66
61
56
52
49

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

318
317
316
316
315
315
315
315
315
315
316
317
318
318
319
320
321
322
322
322

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

Generated: 20/05/26 18:22:01. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+2.00