Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 16

New Moon 1%

04:47

20:52

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

Sun - Rise: 05:04, Set: 20:38, Transit: 12:52. Moon - Rise: 04:47, Set: 20:52. Civil Dark: 21:19 - 04:24. Nautical Dark: 22:13 - 03:29. Astro Dark: 23:31 - 02:09

Total Clouds (% Sky Obscured)

93
95
97
97
100
100
100
100
96
100
100
98
99
100
98
97
78
75
89
95
100
100
100
97

Low Clouds (% Sky Obscured)

67
40
22
10
12
1
5
4
1
1
0
0
0
13
30
35
38
37
64
52
44
48
53
63

Medium Clouds (% Sky Obscured)

52
42
93
97
100
97
100
100
94
98
100
92
93
89
86
71
75
75
85
90
95
85
90
90

High Clouds (% Sky Obscured)

39
95
97
97
100
100
75
77
93
96
100
83
94
99
75
86
52
50
63
66
53
40
40
12

ISS Passover

Visibility (miles)

5
4
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

Light Rain
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 (%)

66
50
16
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
17
21
28

Precipitation Amount (mm)

0.4
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
4
4
4
4
4
4
4
4
3
3
3
2
2
3
3
3
3
2
2
4
4

Chance of Frost

Temperature (°C)

9
9
9
8
7
7
6
5
5
5
4
5
4
5
7
9
10
12
13
14
14
13
13
13

Feels Like (°C)

7
7
6
6
5
4
3
2
2
2
2
2
2
2
5
7
9
13
13
12
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

78
82
84
85
88
88
88
88
89
88
89
88
91
86
82
77
65
56
50
49
49
52
56
58

Pressure (mb)

1007
1008
1008
1009
1010
1011
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

402
400
396
395
396
398
398
399
399
398
398
399
398
397
397
398
401
404
404
404
404
402
398
394

Sunday 17

Waxing Crescent 5%

05:33

22:22

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

Sun - Rise: 05:03, Set: 20:40, Transit: 12:52. Moon - Rise: 05:33, Set: 22:22. Civil Dark: 21:20 - 04:22. Nautical Dark: 22:15 - 03:27. Astro Dark: 23:35 - 02:05

Total Clouds (% Sky Obscured)

90
79
67
41
33
2
8
38
94
100
93
94
70
46
34
37
38
65
59
60
67
71
54
74

Low Clouds (% Sky Obscured)

61
47
27
29
20
1
1
16
23
29
34
39
42
20
1
1
5
44
23
56
37
38
10
29

Medium Clouds (% Sky Obscured)

77
64
64
40
33
0
7
0
0
0
0
0
0
0
0
1
2
50
53
46
42
48
43
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
26
93
100
85
89
53
46
34
37
38
15
4
0
0
1
2
1

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 (%)

21
22
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
16
14
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)

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

Chance of Frost

Temperature (°C)

13
13
12
10
8
7
6
5
5
5
4
4
4
4
7
10
11
13
14
15
16
16
16
16

Feels Like (°C)

11
10
10
9
8
7
6
5
5
3
2
2
2
3
6
8
10
11
14
15
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

58
64
71
78
85
88
88
90
89
89
89
88
88
86
81
73
68
63
55
53
50
51
51
49

Pressure (mb)

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

Ozone (du)

389
386
386
387
387
387
387
390
394
395
393
390
388
389
388
388
389
389
389
387
386
386
384
382

Monday 18

Waxing Crescent 11%

06:38

23:37

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:02, Set: 20:41, Transit: 12:52. Moon - Rise: 06:38, Set: 23:37. Civil Dark: 21:22 - 04:21. Nautical Dark: 22:17 - 03:25. Astro Dark: 23:39 - 02:01

Total Clouds (% Sky Obscured)

75
76
78
55
98
100
100
99
93
91
50
48
47
34
43
43
96
90
98
69
52
51
89
86

Low Clouds (% Sky Obscured)

22
28
10
1
0
1
0
1
0
0
23
30
34
13
18
20
70
58
63
36
20
25
37
43

Medium Clouds (% Sky Obscured)

48
46
46
23
24
36
58
95
65
27
8
1
1
1
1
1
72
60
75
61
52
44
74
86

High Clouds (% Sky Obscured)

2
9
25
37
95
100
100
95
79
91
50
48
37
34
43
43
59
72
47
14
4
3
47
35

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

6
15
10
0
0
0
0
0
0
0
0
0
0
0
0
1
5
15
45
57
70
76
60
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
13
10
9
8
8
8
7
7
6
6
6
9
12
13
14
15
16
17
17
17
17

Feels Like (°C)

16
15
15
11
8
7
6
6
6
7
5
5
5
6
8
11
12
13
14
14
16
16
16
14

Dew Point (°C)

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

Relative Humidity (%)

52
57
68
75
81
84
85
87
85
88
88
86
88
87
81
77
72
69
67
67
66
69
72
72

Pressure (mb)

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

Ozone (du)

380
377
375
375
376
378
379
380
381
380
380
380
377
377
378
378
379
378
379
380
382
376
369
363

Tuesday 19

Waxing Crescent 20%

07:58

00:32

17 Bad
18 Bad
19 OK
20 Good
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

Sun - Rise: 05:00, Set: 20:43, Transit: 12:52. Moon - Rise: 07:58, Set: 00:32. Civil Dark: 21:24 - 04:19. Nautical Dark: 22:20 - 03:23. Astro Dark: 23:44 - 01:56

Total Clouds (% Sky Obscured)

80
50
14
9
59
48
46
53
57
59
65
70
72
73
75
73
71
69
68
74
91
85
75
50

Low Clouds (% Sky Obscured)

14
7
3
0
0
1
0
2
3
15
8
19
21
25
25
26
28
29
36
43
59
56
55
43

Medium Clouds (% Sky Obscured)

80
50
6
6
1
5
46
53
57
59
65
70
72
68
59
23
25
20
33
49
67
67
64
50

High Clouds (% Sky Obscured)

11
0
0
0
15
15
10
15
25
30
40
50
34
15
34
35
15
5
5
5
6
5
2
0

ISS Passover

Visibility (miles)

7
7
6
9
9
9
9
9
9
9
9
9
9
9
6
6
8
9
9
9
7
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
Very 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 (%)

42
48
32
1
2
2
1
0
0
0
0
1
8
17
5
4
9
23
31
46
43
36
28
34

Precipitation Amount (mm)

0
0.3
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
5
5
4
3
2
2
2
2
2
3
3
3
3
2
2
3
4
6
7
8
7
6
6

Chance of Frost

Temperature (°C)

17
16
15
14
12
10
9
9
8
8
8
7
7
9
10
12
13
14
16
17
17
17
17
17

Feels Like (°C)

15
15
15
15
13
9
8
8
7
7
6
6
5
7
9
11
12
12
14
15
15
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

73
75
83
87
90
90
90
91
90
91
93
94
94
96
96
96
92
90
86
76
72
78
75
66

Pressure (mb)

1017
1018
1018
1018
1019
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

359
357
359
360
359
357
355
355
357
357
357
357
359
360
360
361
361
363
364
365
364
365
368
369

Wednesday 20

Waxing Crescent 18%

09:25

01:10

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

Sun - Rise: 04:59, Set: 20:44, Transit: 12:52. Moon - Rise: 09:25, Set: 01:10. Civil Dark: 21:25 - 04:18. Nautical Dark: 22:22 - 03:21. Astro Dark: 23:48 - 01:52

Total Clouds (% Sky Obscured)

53
50
39
32
31
27
32
38
51
46
56
81
82
70
54
80
85
93
89
85
83
72
62
51

Low Clouds (% Sky Obscured)

38
29
14
9
4
0
9
18
27
26
26
27
19
10
2
28
50
71
72
73
74
66
57
48

Medium Clouds (% Sky Obscured)

50
39
29
29
28
27
32
26
18
15
15
15
14
52
54
50
48
43
35
29
25
19
13
7

High Clouds (% Sky Obscured)

7
13
19
18
17
16
20
23
27
39
56
81
73
53
30
4
3
2
3
10
4
3
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
8
7
6
5
4

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
35
12
11
7
0
0
0
0
0
0
0
0
1
1
20
28
34
44
53
61
69
75
72

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
0.4
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
14
12
10
9
9
8
8
8
8
7
9
11
12
12
13
14
15
16
17
17
17

Feels Like (°C)

16
15
15
14
13
11
10
10
9
9
9
8
7
8
10
11
11
11
11
12
13
13
17
16

Dew Point (°C)

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

Relative Humidity (%)

62
66
72
79
86
88
88
90
90
91
93
93
93
91
88
83
80
78
75
75
75
75
74
74

Pressure (mb)

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

Ozone (du)

369
369
368
368
370
368
367
366
365
362
362
361
361
361
362
361
362
362
362
361
361
360
360
360

Thursday 21

Waxing Crescent 31%

10:51

01:36

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

Sun - Rise: 04:58, Set: 20:45, Transit: 12:52. Moon - Rise: 10:51, Set: 01:36. Civil Dark: 21:27 - 04:16. Nautical Dark: 22:24 - 03:19. Astro Dark: 23:53 - 01:47

Total Clouds (% Sky Obscured)

45
39
33
37
39
40
41
44
48
52
55
59
53
53
54
52
52
48
53
59
64
65
64
64

Low Clouds (% Sky Obscured)

32
17
2
11
20
29
34
39
44
47
50
53
50
46
47
45
43
40
43
46
49
50
52
51

Medium Clouds (% Sky Obscured)

6
5
4
13
9
8
4
2
2
3
4
5
6
4
3
16
29
43
29
14
0
0
0
0

High Clouds (% Sky Obscured)

7
18
33
35
20
0
0
0
0
1
1
9
12
16
19
13
9
2
1
2
2
2
2
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

63
58
55
45
34
18
15
10
0
9
14
13
24
24
18
27
35
42
32
27
21
15
9
3

Precipitation Amount (mm)

0.3
0.2
0.2
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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
14
12
11
10
9
9
9
9
8
10
12
14
15
16
17
18
19
20
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
79
82
84
87
90
90
90
91
91
93
95
91
90
87
78
69
64
58
54
49
51
52

Pressure (mb)

1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1027
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

360
358
357
356
357
358
358
358
358
358
356
354
352
352
352
351
351
351
351
351
350
350
348
347

Friday 22

Waxing Crescent 42%

12:13

01:54

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

Sun - Rise: 04:57, Set: 20:47, Transit: 12:52. Moon - Rise: 12:13, Set: 01:54. Civil Dark: 21:28 - 04:15. Nautical Dark: 22:26 - 03:17. Astro Dark: 23:58 - 01:41

Total Clouds (% Sky Obscured)

57
51
47
35
22
8
9
11
16
20
22
25
18
12
8
10
11
13
25
40
59

Low Clouds (% Sky Obscured)

44
38
34
23
14
5
8
11
16
19
21
25
18
8
0
0
0
0
9
18
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
8
17
22

High Clouds (% Sky Obscured)

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

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 (%)

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

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)

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

Chance of Frost

Temperature (°C)

20
18
17
16
14
12
10
10
9
9
8
8
8
10
12
14
16
17
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
57
63
69
73
79
84
85
87
88
88
88
88
82
77
73
67
61
56
56
58

Pressure (mb)

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

Ozone (du)

346
345
343
342
342
342
342
342
343
343
344
345
346
345
344
343
344
344
345
345
345

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 16/05/26 17:42:24. Forecast: 16/05/26 to 22/05/26. Timezone: UTC+2.00