Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

First Quarter 52%

13:04

02:54

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

Sun - Rise: 05:14, Set: 20:41, Transit: 12:58. Moon - Rise: 13:04, Set: 02:54. Civil Dark: 21:21 - 04:34. Nautical Dark: 22:13 - 03:41. Astro Dark: 23:25 - 02:28

Total Clouds (% Sky Obscured)

11
13
6
11
0
9
40
45
40
40
40
40
40
45
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
15
15
10
35
31
48

Medium Clouds (% Sky Obscured)

0
0
37
0
0
0
0
0
0
0
0
0
0
0
0
2
40
40
84
100
100
100
96
99

High Clouds (% Sky Obscured)

0
0
0
0
0
13
57
65
65
65
60
55
55
50
100
100
100
100
100
100
100
100
66
100

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
7
4
2
10
42
33

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
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
23
22
21
20
18
17
16
16
15
15
14
14
13
13
13
14
14
15
15
16
15
15

Feels Like (°C)

19
19
19
19
18
16
15
12
11
11
10
10
9
9
8
8
7
9
9
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

46
46
49
55
58
60
63
58
60
61
62
62
63
64
64
63
65
67
69
72
74
73
74
80

Pressure (mb)

1010
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

387
388
388
387
387
386
385
385
385
384
382
381
381
382
384
382
380
379
380
381
384
387
390
389

Thursday 16

Waxing Gibbous 62%

No Rise

03:07

14 Bad
15 Bad
16 Bad
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

Sun - Rise: 05:12, Set: 20:43, Transit: 12:58. Moon - Rise: No Rise, Set: 03:07. Civil Dark: 21:22 - 04:33. Nautical Dark: 22:15 - 03:39. Astro Dark: 23:28 - 02:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
87
100
100
98
100
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
36
42
48
45
48
51
47
50
46
42
34
43
47
48
53
70
57
89
100
100
100
89
88

Medium Clouds (% Sky Obscured)

100
87
94
69
50
49
28
17
14
17
27
31
35
31
52
83
99
98
97
96
83
90
91
100

High Clouds (% Sky Obscured)

100
100
92
100
100
99
71
70
99
73
100
100
94
100
86
52
91
100
95
100
93
99
93
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
32
34
17
11
4
7
9
1
8
0
1
2
3
16
35
70
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
0.9
1
1.2
2.1
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
12
11
11
11
11
10
10
11
10
9
10
10
10
10
11
10
11
11
11
11

Relative Humidity (%)

79
78
75
78
82
80
80
80
79
79
80
80
78
74
76
78
80
81
90
89
92
93
93
95

Pressure (mb)

1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

389
386
385
385
386
389
391
392
390
387
384
381
377
378
377
374
375
375
377
379
379
379
382
389

Friday 17

Waxing Gibbous 71%

14:13

03:19

14 Bad
15 Bad
16 Bad
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

Sun - Rise: 05:11, Set: 20:44, Transit: 12:58. Moon - Rise: 14:13, Set: 03:19. Civil Dark: 21:24 - 04:31. Nautical Dark: 22:17 - 03:37. Astro Dark: 23:32 - 02:21

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
95
88
100
97
77
97
100
100
100
100
100
99
98
97
96
97
98
99

Low Clouds (% Sky Obscured)

90
89
85
67
76
76
67
60
51
38
53
68
81
100
73
51
49
47
61
75
90
75
58
46

Medium Clouds (% Sky Obscured)

66
56
49
40
35
78
29
24
45
62
60
92
98
89
100
100
100
97
89
65
73
68
72
66

High Clouds (% Sky Obscured)

73
91
74
25
17
31
2
10
50
50
1
0
0
76
8
52
4
1
0
1
1
18
32
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
5
7
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

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

Precipitation Probability (%)

87
64
46
35
26
43
20
26
13
27
36
48
42
65
74
68
64
52
31
28
24
35
37
34

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
10
11
11
11
11
10
10
10
10
9
10
10
10
10
10
11
11
11
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
93
90
93
93
93
93
95
93
96
96
96
100
98
98
98
98
96
95
89
81

Pressure (mb)

1009
1009
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

392
393
396
399
403
405
408
410
408
407
407
407
406
405
405
407
405
402
398
392
391
390
390
390

Saturday 18

Waxing Gibbous 80%

15:20

03:30

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

Sun - Rise: 05:10, Set: 20:45, Transit: 12:58. Moon - Rise: 15:20, Set: 03:30. Civil Dark: 21:25 - 04:30. Nautical Dark: 22:19 - 03:35. Astro Dark: 23:36 - 02:17

Total Clouds (% Sky Obscured)

97
90
90
82
58
42
45
45
39
51
66
81
80
82
72
62
41
25
38
45
60
58
52
47

Low Clouds (% Sky Obscured)

35
27
19
20
13
1
1
0
0
9
20
29
33
37
39
26
13
0
8
18
34
25
11
8

Medium Clouds (% Sky Obscured)

66
65
65
46
25
8
7
6
51
35
16
20
18
18
18
16
13
27
65
65
60
60
61
54

High Clouds (% Sky Obscured)

38
24
10
8
5
22
25
25
30
25
25
25
23
24
11
30
30
30
30
30
35
35
2
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
7
5

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
Light Rain
Light Rain

Precipitation Probability (%)

23
20
24
8
18
2
2
1
0
0
0
0
0
0
0
0
0
1
7
10
21
55
72
78

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
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
17
17
15
14
13
12
11
10
9
9
9
9
11
12
14
16
18
19
20
21

Feels Like (°C)

15
16
18
18
17
17
15
13
12
12
10
9
8
9
8
9
10
11
13
15
16
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

74
65
59
59
62
69
78
84
87
90
91
91
91
93
93
93
95
87
82
77
72
67
66
63

Pressure (mb)

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

Ozone (du)

385
383
381
381
381
381
386
391
393
392
393
395
396
396
395
391
389
386
386
388
389
388
388
388

Sunday 19

Waxing Gibbous 87%

16:28

03:41

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Good
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: 05:09, Set: 20:47, Transit: 12:58. Moon - Rise: 16:28, Set: 03:41. Civil Dark: 21:27 - 04:28. Nautical Dark: 22:21 - 03:33. Astro Dark: 23:39 - 02:13

Total Clouds (% Sky Obscured)

53
56
62
69
38
9
8
9
8
47
45
45
45
50
55
60
70
70
76
79
81
68
60
52

Low Clouds (% Sky Obscured)

14
17
11
10
5
1
0
0
0
0
0
0
0
0
0
10
17
24
26
25
24
21
21
22

Medium Clouds (% Sky Obscured)

48
33
30
19
11
3
3
3
3
2
0
0
0
1
1
7
11
13
19
23
35
35
34
36

High Clouds (% Sky Obscured)

0
0
0
1
0
1
1
1
1
18
20
20
20
25
25
26
21
14
19
17
15
10
6
2

ISS Passover

Visibility (miles)

4
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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

Precipitation Probability (%)

71
50
37
48
59
18
15
11
7
4
0
0
0
0
0
0
0
0
7
10
11
26
33
39

Precipitation Amount (mm)

0.4
0
0
0
0.3
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
7
7
6
4
2
2
2
3
2
2
2
2
2
2
1
1
1
2
3
3
4
4

Chance of Frost

Temperature (°C)

21
21
21
21
19
19
17
16
15
14
13
12
11
11
10
10
11
13
14
16
17
19
20
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
58
51
51
71
78
82
86
86
89
90
92
92
91
91
91
88
84
83
75
67
61
59
56

Pressure (mb)

1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

389
390
391
393
396
396
396
394
393
393
394
392
390
390
390
390
391
391
392
391
390
390
388
387

Monday 20

Waxing Gibbous 93%

17:38

03:54

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 OK
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: 05:07, Set: 20:48, Transit: 12:58. Moon - Rise: 17:38, Set: 03:54. Civil Dark: 21:28 - 04:27. Nautical Dark: 22:23 - 03:32. Astro Dark: 23:43 - 02:10

Total Clouds (% Sky Obscured)

52
55
62
56
54
44
49
45
45
45
41
33
40
52
62
72
83
94
93
93
92
93
93
92

Low Clouds (% Sky Obscured)

26
32
38
27
15
2
4
6
8
5
3
0
0
0
0
0
0
0
1
2
3
12
20
28

Medium Clouds (% Sky Obscured)

27
16
2
2
1
0
0
0
0
0
0
0
16
31
47
42
33
25
28
36
45
44
38
32

High Clouds (% Sky Obscured)

24
42
52
51
51
50
57
59
61
61
57
52
50
54
61
72
81
89
91
92
94
94
93
92

ISS Passover

Visibility (miles)

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

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
34
32
41
43
38
32
24
2
2
0
0
0
0
0
0
0
0
7
10
12
27
36
45

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
5
5
6
5
5
5
4
3
3
3
3
3
3
3
3
4
6
7
8
10
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
52
52
51
60
69
82
83
86
90
90
92
93
93
95
95
90
86
81
76
70
66
64
62

Pressure (mb)

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

Ozone (du)

385
383
381
379
377
375
372
369
366
363
361
359
357
356
355
354
353
353
352
351
351
350
350
350

Tuesday 21

Waxing Gibbous 97%

18:51

04:10

14 Bad
15 Bad
16 Bad
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

Sun - Rise: 05:06, Set: 20:49, Transit: 12:58. Moon - Rise: 18:51, Set: 04:10. Civil Dark: 21:30 - 04:26. Nautical Dark: 22:25 - 03:30. Astro Dark: 23:47 - 02:06

Total Clouds (% Sky Obscured)

86
79
73
75
77
79
86
93
100
100
100
100
100
100
99
97
95
93

Low Clouds (% Sky Obscured)

26
23
20
29
36
42
33
23
20
14
7
2
8
15
23
45
65
86

Medium Clouds (% Sky Obscured)

37
43
46
45
48
48
61
70
78
68
59
50
60
70
81
60
39
17

High Clouds (% Sky Obscured)

85
78
74
77
78
84
89
93
100
100
100
100
99
97
96
82
69
55

ISS Passover

Visibility (miles)

6
7
8
9
7
5
3
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
44
44
47
51
57
48
36
14
17
19
18
20
19
14
14
14
15

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
22
21
21
21
21
21
16
16
16
15
15
15
13
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

60
61
62
62
69
76
84
86
87
90
90
92
92
92
93
93
92
90

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

350
350
349
349
348
348
347
346
344
343
343
342
342
343
344
345
346
347

Forecast for Třebenice, Okres Praha-západ, Czech Republic (49.83,14.44)

Generated: 15/05/24 14:33:10. Forecast: 15/05/24 to 21/05/24. Timezone: UTC+2.00