Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Waning Crescent 14%

01:10

18:45

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

Sun - Rise: 04:57, Set: 21:05, Transit: 13:01. Moon - Rise: 01:10, Set: 18:45. Civil Dark: 21:49 - 04:14. Nautical Dark: 22:51 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
77
64
92
68
23
7
3
0
20
27
19
16
50
25
57
72
81
79
100
31
24
52
93

Low Clouds (% Sky Obscured)

20
14
28
32
24
20
0
0
0
20
27
19
16
37
8
27
41
44
47
49
4
20
21
1

Medium Clouds (% Sky Obscured)

65
50
62
86
57
3
3
0
0
0
0
1
0
35
22
34
36
31
29
30
20
10
0
0

High Clouds (% Sky Obscured)

17
26
60
11
10
5
4
2
0
0
0
0
0
0
0
0
0
0
0
54
8
3
32
91

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
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
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
3
3
4
5
5
5
5
5
7
9
9
9
9
9
10
10
10
9
8
7
5
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
73
77
80
79
81
86
84
75
64
58
54
50
46
44
42
40
43
56
56
55
63
69
73

Pressure (mb)

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

Ozone (du)

347
346
345
346
348
351
353
354
354
355
360
362
364
364
364
367
374
380
380
375
374
368
365
363

Saturday 11

Waning Crescent 6%

01:55

19:58

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 04:58, Set: 21:04, Transit: 13:01. Moon - Rise: 01:55, Set: 19:58. Civil Dark: 21:48 - 04:15. Nautical Dark: 22:49 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
100
87
77
93
73
88
83
83
73
55
66
88
95
95
90
92
70
82
60
51
60
70
66

Low Clouds (% Sky Obscured)

5
27
9
0
2
50
50
45
50
17
5
31
62
39
51
78
40
20
35
28
35
25
35
2

Medium Clouds (% Sky Obscured)

0
19
56
48
83
73
85
81
36
38
36
30
37
42
43
46
57
40
33
4
25
0
0
0

High Clouds (% Sky Obscured)

59
100
54
63
86
64
75
3
2
39
1
12
25
25
25
23
5
3
1
3
0
18
70
66

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
1
1
0
0
0
1
1
1
1
2
1
1
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
3
4
4
4
3
3
2
4
5
6
8
9
9
10
10
9
8
6
3
3
4

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
13
15
16
18
20
22
22
23
23
24
24
24
23
23
22
20
18

Feels Like (°C)

12
12
12
11
10
11
11
12
14
16
17
20
20
19
20
20
21
21
22
22
23
23
20
18

Dew Point (°C)

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

Relative Humidity (%)

72
74
67
72
73
71
70
69
67
69
58
52
48
52
49
48
46
46
47
56
60
66
64
64

Pressure (mb)

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

Ozone (du)

359
358
356
355
355
355
356
357
359
362
361
362
359
357
355
357
358
354
351
346
344
341
341
341

Sunday 12

Waning Crescent 2%

03:00

20:54

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

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)

65
65
64
13
7
4
12
21
31
38
29
13
15
23
19
26
26
23
10
17
19
17
18
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
7
11
15
13
13
15
23
19
26
26
18
10
2
5
5
6
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
0
0
17
14
21
22
23
2
0
0
1
3
3

High Clouds (% Sky Obscured)

65
65
64
11
4
2
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
4
2
1
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)

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

Chance of Frost

Temperature (°C)

16
15
15
14
13
13
13
14
16
20
22
23
24
25
26
26
27
27
26
26
24
23
21
19

Feels Like (°C)

15
14
13
13
14
14
14
15
18
21
22
23
24
24
25
26
26
27
27
25
24
23
22
20

Dew Point (°C)

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

Relative Humidity (%)

74
75
78
82
86
92
93
90
82
74
69
63
57
51
48
46
45
43
43
46
58
67
70
71

Pressure (mb)

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

Ozone (du)

342
341
342
345
348
350
352
353
358
357
356
357
359
359
357
357
355
354
354
355
354
355
356
356

Monday 13

Waning Crescent 0%

04:23

21:32

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
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 Good

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)

44
26
22
39
48
48
51
51
51
67
83
98
79
82
76
74
67
62
68
77
82
68
45
18

Low Clouds (% Sky Obscured)

10
6
3
18
26
32
33
35
30
32
39
39
14
22
41
37
26
10
15
20
20
25
30
18

Medium Clouds (% Sky Obscured)

8
11
13
9
4
0
4
10
17
18
20
18
23
27
32
30
28
26
24
20
17
14
8
3

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
25
53
84
60
30
0
2
3
26
34
41
45
25
14
1

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
1
0
1
1
0
1
1
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
3
4
3
3
3
3
4
4
4
4
4
4
4
5
4
4
5
5
5

Chance of Frost

Temperature (°C)

18
17
16
15
15
15
15
16
18
20
21
23
25
26
27
27
27
26
27
26
25
24
23
21

Feels Like (°C)

18
17
17
16
16
16
15
17
18
20
21
23
25
27
28
28
26
26
27
26
26
25
23
21

Dew Point (°C)

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

Relative Humidity (%)

70
70
72
74
70
70
69
67
67
69
65
60
54
46
42
40
47
59
55
57
61
62
63
65

Pressure (mb)

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

Ozone (du)

356
357
359
361
362
361
360
359
357
356
355
354
353
353
352
351
350
349
350
351
352
351
350
349

Tuesday 14

New Moon 2%

05:54

21:59

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

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)

8
21
20
37
46
70
79
88
94
19
25
12
24
55
53
54
53
67
74
67
60
48
34
23

Low Clouds (% Sky Obscured)

8
21
20
37
32
40
40
46
51
14
13
5
6
17
13
14
23
29
28
23
15
12
11
19

Medium Clouds (% Sky Obscured)

2
1
0
12
25
37
38
40
42
19
25
12
23
28
33
29
27
23
15
7
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

20
18
18
17
17
17
17
19
20
22
24
26
27
28
28
28
28
28
28
27
26
25
23
21

Feels Like (°C)

20
19
18
17
17
17
17
19
20
23
26
27
28
28
27
28
29
29
29
28
28
28
24
23

Dew Point (°C)

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

Relative Humidity (%)

67
69
63
62
62
66
66
68
68
63
53
45
41
38
37
37
40
42
45
50
54
60
62
66

Pressure (mb)

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

Ozone (du)

347
346
346
346
346
346
345
347
347
346
345
344
344
342
340
339
339
338
338
336
334
332
333
333

Wednesday 15

Waxing Crescent 7%

07:25

22:18

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

12
7
1
1
1
0
4
6
11
16
24
33
29
27
22
39
56
76
79
86
90
90
80
70

Low Clouds (% Sky Obscured)

12
7
0
0
0
0
0
0
0
2
7
10
9
8
8
5
2
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)

0
0
1
1
0
0
4
6
11
16
19
20
12
11
11
32
53
74
69
61
40
25
15
15

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)

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

Chance of Frost

Temperature (°C)

20
19
18
17
17
17
16
18
20
22
24
25
26
27
28
28
28
28
28
26
25
24
22
20

Feels Like (°C)

23
22
21
21
19
18
18
18
18
18
26
26
26
26
27
27
29
29
28
28
28
28
21
21

Dew Point (°C)

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

Relative Humidity (%)

68
68
69
67
68
68
69
63
59
54
50
45
41
39
36
35
36
37
38
43
49
57
58
59

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1022
1022

Ozone (du)

334
333
332
331
331
330
330
330
331
332
331
331
330
328
325
323
323
323
323
322
322
321
320
319

Thursday 16

Waxing Crescent 14%

08:51

22:33

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

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)

72
76
78
56
36
15
17
19
20
14
8
3
3
2
1
0
0
0
0
0
0

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

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

High Clouds (% Sky Obscured)

28
47
65
49
32
13
17
19
20
14
8
3
3
2
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
17
16
16
16
18
20
22
24
25
27
28
29
30
30
30
30
29
27

Feels Like (°C)

21
20
20
19
16
16
17
17
17
17
25
26
26
27
28
28
32
31
30
30
31

Dew Point (°C)

11
11
11
11
10
10
10
11
12
12
12
12
12
11
10
9
9
9
9
11
13

Relative Humidity (%)

60
62
64
67
68
68
69
63
58
53
47
42
38
34
30
27
27
27
26
32
40

Pressure (mb)

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

Ozone (du)

318
317
317
317
317
318
318
317
316
316
316
316
316
316
316
315
315
314
313
312
312

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

Generated: 10/07/26 23:19:56. Forecast: 10/07/26 to 16/07/26. Timezone: UTC+2.00