Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:34

10:00

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 OK
21 OK
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

Sun - Rise: 05:38, Set: 20:18, Transit: 12:59. Moon - Rise: 02:34, Set: 10:00. Civil Dark: 20:54 - 05:02. Nautical Dark: 21:40 - 04:15. Astro Dark: 22:35 - 03:20

Total Clouds (% Sky Obscured)

62
75
73
82
72
83
30
7
36
32
1
0
4
4
5
5
4
4
3
2
3
3
3
3

Low Clouds (% Sky Obscured)

0
0
65
52
53
50
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
14
20
20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
58
38
36
38
17
30
4
25
21
2
0
5
5
5
5
3
4
3
3
3
3
3
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

Fog (%)

-
-
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)

7
6
6
5
5
6
7
9
8
8
11
11
11
10
10
9
9
9
9
9
10
12
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
22
22
23
22
21
19
18
15
15
15
14
14
13
13
13
12
11
12
15
16
17
18

Dew Point (°C)

10
11
11
11
11
15
14
15
13
11
10
10
9
9
9
8
8
8
7
9
10
11
11
10

Relative Humidity (%)

51
49
50
45
44
57
58
64
68
67
65
64
61
63
64
64
65
64
66
69
67
62
55
49

Pressure (mb)

1021
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

368
366
353
351
354
357
360
360
360
359
360
361
362
362
361
361
360
357
358
359
362
362
360
359

Tuesday 30

Waning Gibbous 53%

03:07

11:23

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

Sun - Rise: 05:37, Set: 20:19, Transit: 12:59. Moon - Rise: 03:07, Set: 11:23. Civil Dark: 20:56 - 05:00. Nautical Dark: 21:42 - 04:13. Astro Dark: 22:38 - 03:17

Total Clouds (% Sky Obscured)

6
6
23
5
3
3
17
3
36
50
55
53
55
50
23
3
0
0
0
0
0
2
3
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)

5
5
16
5
4
4
12
3
43
60
60
57
55
55
23
3
0
0
0
0
0
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
20
20
20
19
18
17
15
13
11
11
11
10
10
10
9
9
8
9
12
13
14
15

Dew Point (°C)

10
11
12
12
13
13
13
13
11
10
9
9
10
9
8
8
5
5
4
5
6
9
9
10

Relative Humidity (%)

45
43
45
46
49
53
56
60
60
60
60
62
64
63
64
63
54
57
55
55
56
59
54
54

Pressure (mb)

1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1011

Ozone (du)

361
362
362
364
367
368
367
367
368
368
368
370
370
368
367
367
367
368
369
368
366
364
364
363

Wednesday 1

Third Quarter 41%

03:32

No Set

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

Sun - Rise: 05:35, Set: 20:21, Transit: 12:59. Moon - Rise: 03:32, Set: No Set. Civil Dark: 20:57 - 04:58. Nautical Dark: 21:44 - 04:11. Astro Dark: 22:41 - 03:14

Total Clouds (% Sky Obscured)

2
12
27
93
79
53
4
6
3
4
37
45
45
23
40
39
15
7
4
19
24
3
31
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
4
1
9
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
4
2
1
6
0
0
0

High Clouds (% Sky Obscured)

2
10
22
89
71
48
3
6
2
4
42
40
30
13
25
22
3
1
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
1
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
17
17
17
16
16
16
15
15
13
13
11
11
10
11
10
10
10
11
11
11
13
15
15

Dew Point (°C)

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

Relative Humidity (%)

53
53
52
54
56
59
62
65
68
69
71
72
72
74
75
74
75
82
82
82
75
71
69
68

Pressure (mb)

1011
1010
1010
1009
1009
1008
1008
1008
1007
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

361
358
357
358
358
358
357
357
358
358
358
358
360
359
359
359
362
363
365
366
365
368
369
369

Thursday 2

Waning Crescent 30%

03:51

12:49

12 Bad
13 OK
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

Sun - Rise: 05:33, Set: 20:22, Transit: 12:59. Moon - Rise: 03:51, Set: 12:49. Civil Dark: 20:59 - 04:56. Nautical Dark: 21:46 - 04:09. Astro Dark: 22:44 - 03:11

Total Clouds (% Sky Obscured)

47
24
32
63
38
35
35
66
77
89
100
85
70
52
66
79
93
93
94
95
96
96
97
97

Low Clouds (% Sky Obscured)

22
27
27
28
24
15
8
15
15
15
15
27
30
37
52
64
76
81
85
90
90
89
89
80

Medium Clouds (% Sky Obscured)

0
0
10
20
29
30
30
28
23
56
16
10
15
52
78
86
92
84
77
70
75
85
94
87

High Clouds (% Sky Obscured)

0
0
8
16
23
16
8
0
25
51
100
75
50
25
29
33
37
53
62
71
61
46
36
50

ISS Passover

Visibility (miles)

9
9
9
9
8
7
3
3
9
9
9
6
9
9
9
9
9
9
9
8
7
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

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

Precipitation Probability (%)

8
12
22
56
63
76
95
89
57
69
50
31
8
11
19
26
30
35
58
85
95
71
59
85

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.4
0.9
0.6
0
0.4
0
0
0
0
0
0
0
0
0.2
0.5
0.6
0
0
0.7

Wind Speed/Direction (mph)

18
19
18
17
17
17
15
12
10
8
8
6
6
6
5
5
5
5
5
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
61
54
50
60
62
69
76
89
93
96
96
93
93
95
96
95
93
95
95
95
96
96
96

Pressure (mb)

1006
1005
1005
1004
1004
1004
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1011

Ozone (du)

368
367
368
368
371
368
367
366
366
365
363
362
360
358
357
356
356
355
355
355
354
354
355
353

Friday 3

Waning Crescent 19%

04:07

14:15

12 Bad
13 Bad
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

Sun - Rise: 05:32, Set: 20:24, Transit: 12:59. Moon - Rise: 04:07, Set: 14:15. Civil Dark: 21:01 - 04:54. Nautical Dark: 21:48 - 04:06. Astro Dark: 22:46 - 03:08

Total Clouds (% Sky Obscured)

96
96
97
99
100
99
98
97
93
89
85
84
83
85
85
87
89
90
93
94
93
89
85
76

Low Clouds (% Sky Obscured)

75
67
60
57
50
44
41
38
25
15
5
15
25
35
38
45
51
45
45
43
37
38
40
52

Medium Clouds (% Sky Obscured)

76
63
53
27
40
56
67
71
76
82
86
87
86
36
41
45
48
55
61
65
54
46
35
26

High Clouds (% Sky Obscured)

37
54
68
92
100
97
93
90
55
43
20
20
4
4
9
18
25
26
23
16
16
10
5
10

ISS Passover

Visibility (miles)

4
7
9
9
9
9
9
9
6
3
6
3
6
9
7
6
6
5
3
2
0
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
42
13
20
11
25
28
78
95
95
95
89
47
41
42
42
41
43
44
43
41
34
17
21

Precipitation Amount (mm)

0.6
0
0
0
0
0
0
0.4
1
0.8
0.9
1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
90
89
90
92
90
93
96
96
96
98
96
98
96
96
98
98
98
96
92
87
83

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

353
353
355
355
354
354
355
356
355
356
356
356
357
355
355
355
355
355
355
355
355
354
354
353

Saturday 4

Waning Crescent 11%

04:22

15:40

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

Sun - Rise: 05:30, Set: 20:25, Transit: 12:58. Moon - Rise: 04:22, Set: 15:40. Civil Dark: 21:03 - 04:53. Nautical Dark: 21:51 - 04:04. Astro Dark: 22:49 - 03:04

Total Clouds (% Sky Obscured)

72
68
62
61
55
53
47
43
47
55
61
63
69
81
88
91
96
92
89
86
66
49
29
44

Low Clouds (% Sky Obscured)

58
59
46
34
27
22
19
20
18
16
14
10
7
3
17
31
45
30
15
0
0
0
0
2

Medium Clouds (% Sky Obscured)

19
15
11
7
2
1
1
0
1
2
3
4
4
4
11
18
26
24
22
20
23
29
39
46

High Clouds (% Sky Obscured)

15
25
35
40
50
42
33
25
28
32
37
40
47
55
65
70
75
76
81
88
65
41
17
29

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 (%)

23
27
24
19
9
14
14
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
10

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

Chance of Frost

Temperature (°C)

16
17
19
19
19
19
18
17
16
15
14
12
11
10
9
9
9
8
10
12
13
15
17
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
74
70
68
65
62
68
73
79
82
86
89
90
88
88
88
90
90
85
80
75
69
62
57

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

354
354
355
355
355
355
354
353
352
352
352
352
351
350
350
351
352
353
354
354
355
355
355
355

Sunday 5

Waning Crescent 4%

04:37

17:06

12 Bad
13 Bad
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 OK

Sun - Rise: 05:28, Set: 20:27, Transit: 12:58. Moon - Rise: 04:37, Set: 17:06. Civil Dark: 21:04 - 04:51. Nautical Dark: 21:53 - 04:02. Astro Dark: 22:52 - 03:01

Total Clouds (% Sky Obscured)

51
58
65
71
78
65
51
37
35
29
22
24
21
23
19
19
19
32
35
41

Low Clouds (% Sky Obscured)

5
7
16
27
38
29
21
10
16
22
21
26
35
37
42
40
41
44
45
52

Medium Clouds (% Sky Obscured)

48
50
50
50
46
46
51
50
55
55
50
50
50
51
51
51
51
40
22
0

High Clouds (% Sky Obscured)

37
47
46
46
50
55
55
65
65
55
50
41
27
18
19
15
21
25
24
20

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

Precipitation Probability (%)

13
12
20
24
25
29
31
33
51
61
68
69
73
83
77
72
63
52
37
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.6
0.4
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
48
44
44
45
46
54
63
74
77
78
80
82
84
84
86
89
89
84
79

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

356
358
359
361
363
365
365
365
365
365
365
365
365
365
364
365
366
366
366
367

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

Generated: 29/04/24 14:49:05. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+2.00