Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waxing Crescent 14%

08:51

22:33

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: 05:04, 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: 00:26 - 01:45

Total Clouds (% Sky Obscured)

60
82
87
67
86
100
92
100
100
100
100
100
100
100
100
100
100
100
100
48
66
58
42
41

Low Clouds (% Sky Obscured)

32
27
18
19
12
15
17
20
28
44
42
24
37
48
81
59
47
48
52
48
65
55
42
41

Medium Clouds (% Sky Obscured)

17
15
18
25
28
16
54
11
10
48
62
51
50
90
90
32
76
2
100
48
52
45
42
35

High Clouds (% Sky Obscured)

60
82
11
67
60
100
81
100
100
100
100
100
100
100
100
100
94
100
95
37
60
58
42
41

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
50
7
5
7
24
34
47
95
34
61
95
95
95
74
22
95
95
95
95
95
91
82
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
1.4
0
0
1.5
0.7
6.1
0.2
0
1.5
2
2.3
1.4
1.2
0.6
0.3
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
20
23
23
24
24
26
25
26
26
25
25
22
22
24
23
21
20
21
21
21
20

Dew Point (°C)

15
15
15
15
16
17
18
19
19
18
18
17
16
15
14
16
17
17
16
16
16
16
17
17

Relative Humidity (%)

85
86
86
85
77
73
70
73
69
66
61
57
56
54
59
72
69
76
80
85
89
92
93
95

Pressure (mb)

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

Ozone (du)

319
318
320
319
316
316
316
316
317
318
320
321
321
322
320
320
325
330
332
332
327
325
321
321

Saturday 18

Waxing Crescent 22%

10:12

22:47

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 OK

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: 00:19 - 01:51

Total Clouds (% Sky Obscured)

56
65
100
100
100
100
100
89
77
39
61
85
86
83
81
80
78
87
100
97
90
93
42
20

Low Clouds (% Sky Obscured)

38
42
54
81
89
75
71
74
63
35
33
54
56
73
66
66
40
41
34
24
31
19
42
20

Medium Clouds (% Sky Obscured)

32
40
90
95
77
92
52
76
61
4
33
55
49
46
45
40
14
32
78
60
76
79
42
8

High Clouds (% Sky Obscured)

51
55
100
55
55
55
60
9
1
0
2
25
25
30
45
50
55
60
70
70
16
50
9
5

ISS Passover

Visibility (miles)

9
9
3
1
0
0
5
8
9
9
8
6
2
2
4
8
2
9
9
9
9
9
9
9

Fog (%)

2
31
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
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

68
95
95
95
95
92
66
60
47
31
34
41
50
44
28
39
18
16
6
15
2
2
9
12

Precipitation Amount (mm)

0
1.5
0
1
1.3
0.7
0.5
0.4
0.2
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
19
18
19
21
20
23
25
25
23
23
22
22
22
21
19
18
17
17
16
17

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
100
98
96
86
85
75
64
63
71
76
84
84
84
84
89
90
90
90
89
89

Pressure (mb)

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

Ozone (du)

319
318
321
324
326
325
324
323
323
324
326
327
327
327
329
331
334
335
335
337
338
338
339
336

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

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)

40
44
51
24
30
54
51
47
47
62
83
71
80
89
72
71
85
73
53
7
6
46
63
12

Low Clouds (% Sky Obscured)

40
44
31
24
30
49
38
47
47
47
66
54
59
48
47
50
62
51
22
1
0
15
25
0

Medium Clouds (% Sky Obscured)

40
44
45
3
11
14
43
43
45
31
36
17
45
73
45
40
72
61
21
3
6
10
13
9

High Clouds (% Sky Obscured)

3
0
0
0
7
51
40
35
40
40
45
4
45
35
12
30
30
35
26
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
2
6
8
2
6
9
2
9
9
7
9
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

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

Precipitation Probability (%)

44
78
70
28
3
6
66
95
95
88
83
95
95
68
95
64
29
26
23
10
24
5
0
0

Precipitation Amount (mm)

0.3
0.9
0.6
0
0
0
0.3
1.1
2
0.5
0.5
0.9
1.5
0
0.9
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
0
2
1
2
4
7
6
6
5
7
10
8
7
7
5
3
2
2
1
1
1
1

Chance of Frost

Temperature (°C)

15
14
14
14
15
17
18
18
18
18
20
20
18
18
18
18
17
16
15
14
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
92
87
83
76
66
66
60
58
59
90
95
89
95
93
93
92
95
95
93
93
92

Pressure (mb)

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

Ozone (du)

335
336
336
336
336
336
337
335
335
333
333
335
338
339
344
341
346
348
359
369
370
369
369
366

Monday 20

Waxing Crescent 42%

12:45

23:13

03 Good
04 Good
05 OK
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: 05:08, 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)

8
3
22
45
63
53
52
54
63
78
84
65
54
44
53
60
64
53
38
26
44
42
60
70

Low Clouds (% Sky Obscured)

0
0
3
9
9
6
11
18
27
53
59
42
37
27
36
35
28
22
18
2
12
25
47
56

Medium Clouds (% Sky Obscured)

6
2
2
2
2
10
20
26
30
33
36
28
20
12
16
20
40
35
24
21
17
12
6
23

High Clouds (% Sky Obscured)

0
0
16
33
53
35
19
0
0
0
0
0
1
13
13
25
23
6
2
2
11
1
5
8

ISS Passover

Visibility (miles)

9
9
8
7
7
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
3
13
14
19
21
19
14
18
14
7
8
2
4
4
1
7

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)

1
1
1
2
3
5
7
10
12
12
12
12
12
11
11
9
9
7
4
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
96
93
83
73
61
54
50
54
56
62
53
53
60
66
74
82
87
88
91
91
91

Pressure (mb)

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

Ozone (du)

365
365
364
365
363
363
364
361
358
359
359
357
356
356
357
359
361
361
361
361
361
361
359
359

Tuesday 21

First Quarter 53%

13:59

23:28

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

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)

84
95
92
91
91
90
55
41
49
67
95
95
94
95
95
93
91
76
60
45
56
68
79
79

Low Clouds (% Sky Obscured)

68
91
79
53
26
18
9
2
5
12
27
26
37
44
39
32
19
16
15
28
47
68
79
76

Medium Clouds (% Sky Obscured)

40
56
53
59
62
57
49
41
48
51
54
54
58
58
56
50
45
38
30
24
34
47
59
53

High Clouds (% Sky Obscured)

19
40
45
55
70
68
14
5
14
25
34
26
15
1
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
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 (%)

8
10
12
11
8
22
22
11
15
14
1
8
8
2
6
9
9
7
4
0
0
0
0
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
88
88
87
82
71
52
43
39
38
41
44
48
52
56
60
65
68
69
72
70
67
65

Pressure (mb)

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

Ozone (du)

359
360
360
361
362
363
363
364
365
366
366
367
368
369
370
370
371
371
370
369
368
370
372
373

Wednesday 22

Waxing Gibbous 62%

15:13

23:47

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: 05:10, 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)

80
80
80
79
80
76
75
74
81
90
97
92
84
70
77
88
100
100
99
99
93
89
88
88

Low Clouds (% Sky Obscured)

67
58
59
61
64
58
54
45
53
63
72
72
74
70
77
77
80
80
84
88
71
51
32
29

Medium Clouds (% Sky Obscured)

45
37
31
26
28
29
40
43
55
69
85
75
66
55
54
54
52
45
33
27
29
31
43
48

High Clouds (% Sky Obscured)

0
0
0
0
1
13
23
32
26
31
46
40
27
22
31
40
52
55
48
41
57
77
88
88

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

32
42
41
36
23
26
35
41
48
55
60
45
36
26
27
25
17
17
15
8
10
9
8
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
67
66
65
59
56
51
52
53
54
56
59
61
63
63
64
64
64
64
69
72
76

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

373
372
371
370
368
366
363
361
358
358
358
357
355
354
352
351
350
349
348
348
347
348
348
349

Thursday 23

Waxing Gibbous 72%

16:25

00:11

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)

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: 17/07/26 03:04:25. Forecast: 17/07/26 to 23/07/26. Timezone: UTC+2.00