Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 32%

11:29

23:00

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 Good
20 Good
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good

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: 00:13 - 01:56

Total Clouds (% Sky Obscured)

74
72
47
46
40
43
63
66
70
100
100
71
100
88
88
43
8
5
20
15
2
3
1
7

Low Clouds (% Sky Obscured)

52
55
47
41
37
34
59
47
35
66
42
43
50
43
50
31
5
0
15
1
2
2
1
7

Medium Clouds (% Sky Obscured)

6
7
8
14
17
18
38
35
60
100
100
67
81
61
29
0
0
5
19
15
0
0
0
0

High Clouds (% Sky Obscured)

0
2
2
2
0
0
0
65
70
100
100
67
100
50
55
16
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
2
2
7
7
9
9
8
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
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
13
2
4
6
30
77
95
95
95
95
95
85
66
23
13
2
0
0
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.6
4.3
2.9
0
1.4
0.8
0.7
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
90
86
79
72
63
64
67
68
92
80
69
65
58
59
65
70
79
79
83
87
91
93

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018

Ozone (du)

338
338
340
339
338
334
330
327
329
330
336
345
343
349
353
360
363
366
366
362
362
363
367
366

Monday 20

Waxing Crescent 42%

12:45

23:13

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

Sun - Rise: 05:08, Set: 20:56, Transit: 13:02. Moon - Rise: 12:45, Set: 23:13. Civil Dark: 21:38 - 04:26. Nautical Dark: 22:36 - 03:28. Astro Dark: 00:08 - 02:01

Total Clouds (% Sky Obscured)

7
21
100
44
40
45
57
58
67
55
43
49
98
51
43
47
28
32
46
49
37
25
41
43

Low Clouds (% Sky Obscured)

7
11
8
22
20
20
36
52
44
31
26
33
78
6
2
3
1
4
15
28
29
25
41
43

Medium Clouds (% Sky Obscured)

0
0
60
19
15
15
26
5
30
31
21
0
49
34
42
25
19
14
27
26
18
0
41
43

High Clouds (% Sky Obscured)

0
11
100
4
7
14
2
0
0
1
2
17
30
10
3
22
11
23
4
3
3
2
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
2
6
1
2
2
2
1
0
0
0
0
0
0
0
2
9
12

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)

2
2
1
2
3
5
9
11
13
13
13
13
14
14
12
11
9
7
5
4
3
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
90
72
61
58
54
44
40
39
39
45
47
51
57
67
78
84
88
91
91
91

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

364
365
367
365
363
363
361
358
358
359
358
356
355
357
359
358
356
356
356
357
359
358
360
363

Tuesday 21

First Quarter 53%

13:59

23:28

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 OK
20 Bad
21 OK
22 Good
23 Good
00 OK
01 OK
02 OK

Sun - Rise: 05:09, Set: 20:55, Transit: 13:02. Moon - Rise: 13:59, Set: 23:28. Civil Dark: 21:37 - 04:28. Nautical Dark: 22:34 - 03:30. Astro Dark: 00:03 - 02:06

Total Clouds (% Sky Obscured)

41
49
52
55
54
84
91
83
88
89
96
60
78
46
65
70
44
55
30
8
10
22
18
19

Low Clouds (% Sky Obscured)

41
49
52
55
54
84
91
67
58
37
58
9
5
0
24
14
3
3
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
45
37
34
41
73
31
25
17
6
41
8
32
0
23
34
25
17
7
0
5
9
12
12

High Clouds (% Sky Obscured)

1
5
30
2
3
3
24
52
51
73
55
45
43
25
23
6
9
31
14
3
2
6
2
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 (%)

31
32
26
20
23
24
3
2
0
0
0
4
5
7
15
9
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
86
71
55
49
45
43
47
49
46
56
50
50
63
71
78
80
83
85
88
87

Pressure (mb)

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

Ozone (du)

366
366
364
361
359
357
356
357
358
359
359
359
358
359
361
359
359
356
356
354
355
356
355
354

Wednesday 22

Waxing Gibbous 62%

15:13

23:47

03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:10, Set: 20:54, Transit: 13:02. Moon - Rise: 15:13, Set: 23:47. Civil Dark: 21:35 - 04:29. Nautical Dark: 22:32 - 03:32. Astro Dark: 23:58 - 02:10

Total Clouds (% Sky Obscured)

22
21
23
25
26
38
48
68
79
91
100
99
100
100
97
100
100
100
87
100
96
92
88
90

Low Clouds (% Sky Obscured)

0
1
1
0
2
4
4
5
13
28
28
30
33
29
38
38
47
43
42
66
74
74
84
55

Medium Clouds (% Sky Obscured)

13
14
11
10
7
10
15
17
27
37
47
48
49
50
55
55
60
70
70
75
66
62
56
61

High Clouds (% Sky Obscured)

2
0
4
10
15
22
30
43
60
78
98
82
73
73
73
93
100
100
81
90
71
43
10
21

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
2
2
4
6
7
18
23
24
36
42
42
37
30
19
32

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
2
1
1
3
4
6
8
8
9
10
9
8
8
7
5
3
3
2
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
6
6
6
7
7
6
6
6
6
7
5
5
7
9
8
8
6
6
6
5

Relative Humidity (%)

85
81
79
76
67
61
55
51
46
41
41
39
41
44
37
39
47
58
61
63
57
57
59
59

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

355
355
351
347
344
343
343
342
343
345
346
346
344
342
342
342
341
340
340
341
341
342
342
343

Thursday 23

Waxing Gibbous 72%

16:25

00:11

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:12, Set: 20:53, Transit: 13:02. Moon - Rise: 16:25, Set: 00:11. Civil Dark: 21:34 - 04:31. Nautical Dark: 22:30 - 03:34. Astro Dark: 23:54 - 02:15

Total Clouds (% Sky Obscured)

92
94
94
94
95
96
47
69
57
75
56
69
76
75
57
44
31
49
66
83
78
78
79
74

Low Clouds (% Sky Obscured)

74
83
79
77
74
72
47
62
57
64
54
54
50
47
41
33
26
33
43
73
78
78
79
60

Medium Clouds (% Sky Obscured)

66
71
73
73
67
75
37
40
34
29
23
30
40
47
39
28
19
22
24
27
19
12
6
5

High Clouds (% Sky Obscured)

27
43
47
50
4
0
0
0
4
7
11
8
5
0
0
0
0
1
1
2
1
1
1
4

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

34
41
49
55
63
71
71
68
53
56
49
73
71
65
61
55
41
38
30
14
15
14
11
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
4
5
6
8
8
8
9
10
10
9
9
9
8
7
6
5
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
83
89
92
93
93
84
70
63
52
59
51
55
59
63
66
69
73
75
78
79
81
86
87

Pressure (mb)

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

Ozone (du)

346
348
353
357
361
364
371
377
377
378
379
379
377
376
375
373
371
370
370
370
370
366
362
358

Friday 24

Waxing Gibbous 80%

17:34

00:44

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:13, Set: 20:51, Transit: 13:02. Moon - Rise: 17:34, Set: 00:44. Civil Dark: 21:32 - 04:32. Nautical Dark: 22:28 - 03:37. Astro Dark: 23:50 - 02:19

Total Clouds (% Sky Obscured)

71
65
69
72
79
78
77
77
81
86
90
86
82
78
77
78
78
60
41
30
51
69
83
77

Low Clouds (% Sky Obscured)

36
13
13
17
21
34
46
49
42
37
33
26
21
16
12
7
1
10
16
19
15
13
14
11

Medium Clouds (% Sky Obscured)

5
5
5
4
4
13
26
39
35
33
34
38
44
48
37
26
16
13
10
5
8
10
16
12

High Clouds (% Sky Obscured)

6
8
10
14
24
18
14
8
28
45
52
45
45
37
40
41
34
15
6
2
4
7
10
14

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 (%)

5
2
4
4
2
12
15
15
15
14
12
9
6
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
9
9
9
14
15
15
16
17
17
18
18
17
17
17
17
14
15
15
15
14
13

Dew Point (°C)

9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
9
9
8
8
8

Relative Humidity (%)

90
91
95
87
80
74
66
60
53
52
51
49
49
48
48
52
57
62
67
71
77
77
79
80

Pressure (mb)

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

Ozone (du)

355
352
349
348
347
346
346
345
345
344
344
343
343
344
344
342
341
339
338
338
337
337
338
338

Saturday 25

Waxing Gibbous 87%

18:35

01:27

Sun - Rise: 05:14, Set: 20:50, Transit: 13:02. Moon - Rise: 18:35, Set: 01:27. Civil Dark: 21:31 - 04:34. Nautical Dark: 22:26 - 03:39. Astro Dark: 23:45 - 02:23

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: 19/07/26 03:09:44. Forecast: 19/07/26 to 25/07/26. Timezone: UTC+2.00