Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 29

Waxing Gibbous 98%

19:34

03:39

18 OK
19 Good
20 Good
21 Good
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 OK
16 OK
17 OK

Sun - Rise: 04:50, Set: 20:55, Transit: 12:53. Moon - Rise: 19:34, Set: 03:39. Civil Dark: 21:38 - 04:07. Nautical Dark: 22:39 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

19
15
11
12
90
64
100
82
96
70
100
100
100
100
100
100
96
48
44
52
27
27
39
42

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
6
18
55
23
44
36
63
93
45
36
47
27
27
39
42

Medium Clouds (% Sky Obscured)

0
0
0
4
77
39
38
52
93
65
78
98
100
98
100
20
22
8
8
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
3
8
68
61
100
50
96
70
77
97
100
100
100
100
0
0
0
0
1
9
3
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
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
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
None
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
27
14
28
45
88
62
26
8
21
59
56
25
6
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
4
4
3
3
3
3
2
2
2
1
2
3
3
3
5
7
8
12
12
13
12
12

Chance of Frost

Temperature (°C)

22
21
18
15
13
12
11
11
11
12
13
12
12
12
13
13
13
16
20
22
22
23
23
22

Feels Like (°C)

22
22
20
16
14
11
10
10
11
11
11
11
11
11
12
12
12
15
20
21
20
21
21
21

Dew Point (°C)

11
13
13
11
9
8
8
7
6
6
8
8
9
10
9
10
11
12
13
15
14
11
10
10

Relative Humidity (%)

51
62
71
76
77
79
77
75
73
65
74
76
79
84
80
80
86
75
64
64
60
48
44
47

Pressure (mb)

1022
1021
1021
1021
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1018
1017
1016
1016
1015
1015
1015

Ozone (du)

349
348
343
344
345
344
342
342
338
337
339
342
344
344
346
349
352
353
352
351
349
349
350
350

Saturday 30

Waxing Gibbous 100%

20:45

04:08

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

Sun - Rise: 04:49, Set: 20:56, Transit: 12:53. Moon - Rise: 20:45, Set: 04:08. Civil Dark: 21:39 - 04:06. Nautical Dark: 22:41 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
5
4
5
12
21
8
35
51
76
70
76
86
92
85
43
73
60
56
59
81
69
75
73

Low Clouds (% Sky Obscured)

33
3
3
0
6
0
4
23
27
22
14
20
13
7
27
23
46
41
50
28
29
34
10
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
15
25
41
30
43
70

High Clouds (% Sky Obscured)

4
4
3
5
4
21
3
19
51
76
70
76
86
92
79
31
44
32
3
26
32
49
25
37

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
2
12
1
1
0
0
0
0
3

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)

11
9
6
4
3
4
4
4
3
3
2
2
2
2
3
4
6
7
9
10
10
10
8
7

Chance of Frost

Temperature (°C)

21
19
18
15
14
13
12
12
11
11
10
10
11
13
14
16
18
20
22
23
23
24
24
24

Feels Like (°C)

19
19
19
16
14
12
12
12
12
10
10
10
11
12
14
16
18
19
20
22
21
22
23
23

Dew Point (°C)

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

Relative Humidity (%)

50
58
67
73
76
77
81
87
90
90
90
91
90
84
79
73
66
59
49
44
43
41
41
44

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1009

Ozone (du)

350
349
349
346
346
346
344
344
343
341
342
343
345
345
346
346
349
351
350
348
348
347
351
354

Sunday 31

Full Moon 100%

21:50

04:47

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
17 Bad

Sun - Rise: 04:49, Set: 20:57, Transit: 12:54. Moon - Rise: 21:50, Set: 04:47. Civil Dark: 21:41 - 04:05. Nautical Dark: 22:43 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
100
100
96
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
84
85
88
37
33

Low Clouds (% Sky Obscured)

15
44
45
37
33
27
50
55
74
78
75
82
88
69
39
49
72
61
74
33
57
69
29
26

Medium Clouds (% Sky Obscured)

49
77
93
96
87
99
90
100
100
100
100
100
100
100
100
100
98
99
100
77
43
31
11
8

High Clouds (% Sky Obscured)

23
88
100
94
95
92
69
100
66
100
100
100
100
100
100
88
98
100
99
23
37
19
18
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
8
2
5
5
4
8
9
9
9
9
8
5
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
16
31
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

5
19
14
27
24
12
43
76
95
95
95
95
95
95
95
95
81
71
62
61
60
79
81
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0.7
0.9
1.5
2.5
2.7
1
0.8
0.3
0.2
0
0
0
0.5
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
19
17
16
15
15
14
14
14
14
13
13
13
14
13
14
14
14
16
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
64
72
73
75
75
74
70
71
74
86
92
96
98
96
96
96
95
93
77
59
58
66
63

Pressure (mb)

1009
1010
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

351
349
348
348
347
346
345
346
345
345
346
348
349
350
354
356
361
362
363
364
365
370
369
370

Monday 1

Waning Gibbous 97%

22:45

05:38

18 Bad
19 Bad
20 OK
21 OK
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
17 Bad

Sun - Rise: 04:48, Set: 20:58, Transit: 12:54. Moon - Rise: 22:45, Set: 05:38. Civil Dark: 21:42 - 04:04. Nautical Dark: 22:45 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
17
18
17
56
67
83
96
89
92
90
93
96
99
99
99
98
99
99
100
95
89
85
84

Low Clouds (% Sky Obscured)

17
13
11
9
9
20
30
46
48
51
54
54
49
44
43
43
42
39
35
32
25
26
20
7

Medium Clouds (% Sky Obscured)

2
2
0
1
1
6
11
48
13
9
20
12
19
33
51
84
90
78
72
69
61
51
41
43

High Clouds (% Sky Obscured)

6
2
2
1
15
21
36
52
42
47
50
60
73
91
88
84
79
84
91
100
80
59
39
45

ISS Passover

Visibility (miles)

6
5
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
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 (%)

73
58
27
12
0
0
0
0
0
0
0
0
0
0
0
1
0
2
2
1
0
0
1
4

Precipitation Amount (mm)

0.5
0.4
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
3
3
3
2
2
1
1
2
1
1
2
3
5
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
82
85
90
90
90
90
90
90
91
91
91
92
92
89
83
74
65
61
57
56
55
53
55

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010

Ozone (du)

364
361
359
358
358
356
355
355
356
354
354
353
350
348
345
344
342
340
340
339
339
339
340
341

Tuesday 2

Waning Gibbous 94%

23:29

06:40

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
17 Bad

Sun - Rise: 04:47, Set: 20:59, Transit: 12:54. Moon - Rise: 23:29, Set: 06:40. Civil Dark: 21:43 - 04:03. Nautical Dark: 22:46 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
87
74
61
93
91
91
90
93
97
100
100
100
100
100
100
100
100
100
100
100
99
99
92

Low Clouds (% Sky Obscured)

3
1
1
4
1
11
29
62
63
70
72
76
83
89
96
95
93
88
83
77
62
47
32
28

Medium Clouds (% Sky Obscured)

40
37
51
61
80
74
73
78
69
70
91
93
95
98
94
88
83
82
85
90
81
73
64
48

High Clouds (% Sky Obscured)

51
57
52
46
66
51
35
30
59
78
100
97
93
93
100
100
100
100
100
100
98
96
94
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
6
6
9
0
0
0
0
0
2
4
6
7
8
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

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

Precipitation Probability (%)

24
20
12
5
18
51
65
53
46
70
95
95
95
95
95
95
95
79
62
43
46
50
46
41

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0
0.3
0.9
1.3
1.6
1.2
1.3
1.1
0.6
0.4
0.2
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
71
78
83
83
83
84
90
92
96
100
98
98
98
98
98
95
93
89
82
77
74
72
70

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1006
1007
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

342
343
345
346
350
351
353
354
356
357
359
360
361
361
362
364
365
366
370
373
376
378
380
382

Wednesday 3

Waning Gibbous 88%

00:02

07:49

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

Sun - Rise: 04:47, Set: 21:00, Transit: 12:54. Moon - Rise: 00:02, Set: 07:49. Civil Dark: 21:44 - 04:03. Nautical Dark: 22:48 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
79
68
58
46
52
54
66
79
85
95
96
97
99
88
79
73
70
68
65
70
65
65
71

Low Clouds (% Sky Obscured)

24
20
16
13
11
17
24
31
22
13
5
10
14
21
26
32
38
33
27
22
21
20
17
11

Medium Clouds (% Sky Obscured)

29
13
23
50
46
52
54
65
67
68
70
49
33
14
12
9
7
6
6
3
3
0
4
16

High Clouds (% Sky Obscured)

84
79
66
39
9
38
54
66
79
85
95
96
97
99
73
50
25
5
5
5
5
5
5
5

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 (%)

36
29
20
13
1
1
1
0
0
0
0
0
0
0
0
1
1
6
7
2
8
12
13
16

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

Chance of Frost

Temperature (°C)

17
17
17
16
15
14
13
13
12
11
11
10
11
12
13
15
16
17
19
20
22
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
81
83
86
89
90
93
95
98
98
98
93
89
84
80
78
73
70
67
64
66
68
72

Pressure (mb)

1009
1009
1009
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010

Ozone (du)

385
387
389
387
386
384
376
368
360
359
357
355
355
355
356
354
352
351
352
352
353
353
352
352

Thursday 4

Waning Gibbous 81%

00:26

09:01

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: 04:46, Set: 21:01, Transit: 12:54. Moon - Rise: 00:26, Set: 09:01. Civil Dark: 21:45 - 04:02. Nautical Dark: 22:49 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
84
83
80
69
78
85
92
90
88
86
85
83
82
81
79
75
82
87
93

Low Clouds (% Sky Obscured)

5
0
1
1
2
9
17
25
24
21
20
25
24
27
24
26
25
18
13
7

Medium Clouds (% Sky Obscured)

34
49
45
40
34
40
48
48
49
50
59
60
58
60
54
47
41
41
41
45

High Clouds (% Sky Obscured)

5
5
5
5
5
25
45
65
45
24
4
7
10
13
41
69
75
82
87
93

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 (%)

17
16
16
13
2
5
7
5
10
9
3
7
6
0
0
0
0
1
4
7

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)

4
4
4
2
2
3
2
2
2
2
2
3
2
3
4
6
9
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
75
77
81
83
84
87
89
89
90
92
84
77
70
67
65
61
61
61

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

350
349
347
345
342
340
338
335
333
331
329
328
327
325
324
323
322
322
322
322

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

Generated: 29/05/26 18:40:39. Forecast: 29/05/26 to 04/06/26. Timezone: UTC+2.00