Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 2%

03:00

20:54

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

Sun - Rise: 04:59, Set: 21:04, Transit: 13:01. Moon - Rise: 03:00, Set: 20:54. Civil Dark: 21:47 - 04:16. Nautical Dark: 22:48 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
54
46
56
23
22
21
15
32
39
31
29
34
52
85
87
81
41
26
21
9
48
47
74

Low Clouds (% Sky Obscured)

32
13
20
28
23
22
21
15
32
39
31
29
34
49
58
55
71
15
9
13
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
31
40
36
29
24
18
14
3
0
0
0

High Clouds (% Sky Obscured)

11
14
38
44
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
38
41
71

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 (%)

2
1
0
0
0
0
0
0
0
0
0
0
1
4
3
2
2
2
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
18
15
14
16
16
19
20
21
22
23
24
25
25
24
24
25
25
26
25
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

82
86
90
92
95
95
93
83
72
67
62
57
52
50
48
52
59
54
57
60
69
75
80
81

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

347
345
346
346
345
346
345
346
347
348
347
348
352
354
355
356
356
356
356
354
352
352
352
350

Tuesday 14

New Moon 0%

04:23

21:32

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

Sun - Rise: 05:00, Set: 21:03, Transit: 13:02. Moon - Rise: 04:23, Set: 21:32. Civil Dark: 21:45 - 04:18. Nautical Dark: 22:46 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
98
100
99
100
76
63
100
100
96
100
100
100
100
90
86
93
100
100
55
44
65
62
100

Low Clouds (% Sky Obscured)

0
0
0
13
22
41
53
50
44
24
24
37
45
53
50
38
42
52
57
13
5
17
22
15

Medium Clouds (% Sky Obscured)

0
0
0
0
28
18
15
16
15
24
59
76
58
44
54
19
67
27
1
3
16
26
16
18

High Clouds (% Sky Obscured)

83
98
100
99
100
67
55
100
97
92
100
100
100
97
76
76
71
56
56
46
44
62
58
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
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
0
3
13
18
39
31
32
32
49
93
59
34
19
11
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
16
15
15
15
15
16
18
21
23
24
23
24
24
24
24
24
23
21
20
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

82
81
80
82
80
80
78
73
70
65
52
47
45
45
48
47
50
55
64
64
73
80
82
83

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

350
350
351
349
348
348
348
348
348
350
350
350
352
355
360
361
361
360
360
360
361
361
359
358

Wednesday 15

Waxing Crescent 2%

05:54

21:59

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

Sun - Rise: 05:02, Set: 21:02, Transit: 13:02. Moon - Rise: 05:54, Set: 21:59. Civil Dark: 21:44 - 04:19. Nautical Dark: 22:44 - 03:19. Astro Dark: N/A - 01:20

Total Clouds (% Sky Obscured)

100
100
95
85
47
53
50
45
50
45
40
40
40
40
45
38
51
58
55
60
44
29
17
11

Low Clouds (% Sky Obscured)

14
8
5
0
0
0
0
0
0
26
32
33
36
40
45
38
51
46
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
21
26
31
8
5
2
0
9
13
19
17
10
6
5
8
4
10
0
7
13
17
17
11

High Clouds (% Sky Obscured)

100
100
95
85
47
53
50
45
50
40
35
40
40
40
45
1
51
58
55
60
44
29
16
10

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

Precipitation Probability (%)

5
0
0
0
2
0
1
1
0
7
35
43
46
23
20
18
10
9
4
3
2
3
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
16
16
15
16
18
20
21
22
23
24
24
25
25
25
25
24
24
22
20
18
17

Feels Like (°C)

17
17
16
16
16
16
17
19
21
22
23
24
24
24
25
25
25
24
25
25
24
21
19
17

Dew Point (°C)

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

Relative Humidity (%)

83
87
87
89
87
87
86
77
65
56
49
45
43
41
41
41
42
44
47
55
66
71
73
72

Pressure (mb)

1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1022

Ozone (du)

360
356
358
359
361
361
362
363
365
365
364
363
363
361
357
353
350
348
349
349
348
346
344
341

Thursday 16

Waxing Crescent 7%

07:25

22:18

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

Sun - Rise: 05:03, Set: 21:01, Transit: 13:02. Moon - Rise: 07:25, Set: 22:18. Civil Dark: 21:43 - 04:20. Nautical Dark: 22:43 - 03:21. Astro Dark: 00:44 - 01:30

Total Clouds (% Sky Obscured)

6
0
8
19
28
26
21
14
35
57
93
96
100
100
85
67
39
52
57
69
64
73
78
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
4
8
11
14
19
24
30
28
24
22
14
6
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
0
5
11
16
12
11
6
4
2
0
0
0
1
22
38
10
22
31
46
54
56
61
65

High Clouds (% Sky Obscured)

5
0
3
8
11
8
4
1
26
55
93
96
100
100
74
47
11
27
44
67
64
71
75
53

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
10
7
5
11
10
5
6
3
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)

4
4
4
4
4
4
4
4
4
5
7
9
9
9
9
9
9
10
9
8
7
6
6
5

Chance of Frost

Temperature (°C)

16
15
14
14
14
13
15
17
20
21
22
24
24
25
25
25
25
25
24
23
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
63
62
61
61
64
62
53
49
47
44
42
42
42
42
41
41
44
53
63
67
66
64

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

340
340
339
338
338
339
340
340
338
336
333
331
329
328
327
329
331
334
334
335
336
336
334
333

Friday 17

Waxing Crescent 14%

08:51

22:33

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

Sun - Rise: 05:04, Set: 21:00, Transit: 13:02. Moon - Rise: 08:51, Set: 22:33. Civil Dark: 21:42 - 04:22. Nautical Dark: 22:41 - 03:23. Astro Dark: 00:33 - 01:38

Total Clouds (% Sky Obscured)

70
67
63
58
45
41
33
24
20
23
30
33
36
38
48
53
32
15
18
20
22
29
30
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
17
27
26
25
24
31
33
32
15
11
0
10
20
14
7

Medium Clouds (% Sky Obscured)

66
66
63
58
45
41
33
24
20
23
30
33
33
31
26
22
16
15
18
20
22
23
10
5

High Clouds (% Sky Obscured)

27
1
5
7
8
9
9
6
6
5
5
5
5
5
6
7
7
11
18
20
22
29
30
58

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
4
1
0
11
10
6
5
4
6
11
9
8
21
22
17
19
18
12
11
5
1
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
17
17
18
21
23
24
25
26
26
27
28
28
28
28
28
28
28
23
24
24

Dew Point (°C)

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

Relative Humidity (%)

66
68
72
73
73
74
73
66
57
51
47
44
40
37
36
35
35
35
40
46
53
57
60
64

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014

Ozone (du)

332
331
330
328
327
327
326
324
324
324
324
324
325
326
327
327
326
325
325
324
324
321
318
316

Saturday 18

Waxing Crescent 22%

10:12

22:47

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:05, Set: 20:59, Transit: 13:02. Moon - Rise: 10:12, Set: 22:47. Civil Dark: 21:41 - 04:23. Nautical Dark: 22:39 - 03:24. Astro Dark: 00:26 - 01:45

Total Clouds (% Sky Obscured)

74
90
82
75
67
77
87
97
98
99
100
100
100
100
100
100
100
100
100
100
99
96
90
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
12
23
24
23
24
24
31
40
50
48
47
41
38
32
24
21

Medium Clouds (% Sky Obscured)

2
0
4
8
11
9
6
7
9
17
23
35
48
57
53
48
47
48
49
55
46
38
22
17

High Clouds (% Sky Obscured)

66
74
65
51
40
56
73
91
94
97
100
99
98
98
98
99
100
100
100
100
83
62
43
32

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
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

2
0
6
6
4
10
12
12
39
38
41
45
41
32
46
58
69
82
83
70
45
25
3
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
63
65
66
68
65
62
60
55
52
49
48
45
44
51
60
71
79
86
96
96
96
96

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

315
315
315
313
312
310
310
311
311
311
311
312
311
311
311
312
313
315
316
316
317
319
321
322

Sunday 19

Waxing Crescent 32%

11:29

23:00

Sun - Rise: 05:06, Set: 20:58, Transit: 13:02. Moon - Rise: 11:29, Set: 23:00. Civil Dark: 21:39 - 04:25. Nautical Dark: 22:37 - 03:26. Astro Dark: 00:19 - 01:51

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 13/07/26 00:34:29. Forecast: 13/07/26 to 19/07/26. Timezone: UTC+2.00