Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Third Quarter 46%

00:00

14:25

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

Sun - Rise: 04:54, Set: 21:07, Transit: 13:01. Moon - Rise: 00:00, Set: 14:25. Civil Dark: 21:51 - 04:10. Nautical Dark: 22:56 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
28
1
0
0
0
0
4
7
9
14
7
9
5
6
97
100

Low Clouds (% Sky Obscured)

37
62
68
72
71
64
31
2
0
1
0
0
0
0
4
7
9
14
7
9
4
6
1
5

Medium Clouds (% Sky Obscured)

92
94
95
100
100
100
80
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
18
0
0
0
0
0
0
0
0
0
0
0
0
0
97
100

ISS Passover

Visibility (miles)

6
3
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
Very 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 (%)

47
21
33
42
49
24
12
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.3
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
3
4
9
8
6
6
6
5
4
6
6
8
9
10
11
11
11
10
10
9
9
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
16
17
15
14
14
13
12
11
11
9
6
4
3
4
5
6
6
7
7
8
9
10
10

Relative Humidity (%)

76
90
92
92
90
92
90
87
89
83
71
54
43
37
36
38
38
40
40
42
45
53
63
69

Pressure (mb)

1009
1008
1008
1008
1009
1009
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014

Ozone (du)

345
344
348
354
358
362
367
367
367
370
374
377
380
384
381
381
386
388
383
385
389
387
383
380

Wednesday 8

Waning Crescent 34%

00:17

15:50

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

Sun - Rise: 04:55, Set: 21:07, Transit: 13:01. Moon - Rise: 00:17, Set: 15:50. Civil Dark: 21:50 - 04:11. Nautical Dark: 22:55 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
81
81
60
56
71
52
43
37
4
44
41
41
33
19
36
42
37
27
27
39
44
47
48

Low Clouds (% Sky Obscured)

3
0
2
38
14
27
19
12
3
0
42
41
41
33
19
31
31
25
0
4
0
0
0
16

Medium Clouds (% Sky Obscured)

0
1
41
60
56
59
50
43
37
3
0
0
0
0
0
36
41
37
27
27
28
41
47
48

High Clouds (% Sky Obscured)

100
81
78
51
49
37
11
1
1
1
1
1
2
0
2
3
7
7
4
6
27
40
47
48

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
1
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)

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
11
10
10
10
12
15
17
18
19
21
21
22
22
22
22
21
20
19
17

Feels Like (°C)

12
11
11
10
10
10
9
9
9
12
16
18
18
20
21
21
21
20
20
20
20
21
20
17

Dew Point (°C)

9
9
9
8
8
8
8
8
8
9
10
10
8
7
6
6
6
6
8
8
9
11
12
11

Relative Humidity (%)

72
77
81
81
77
83
85
88
87
79
71
63
53
45
39
36
34
35
39
41
45
53
63
67

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

376
370
365
361
360
359
358
356
356
355
354
353
349
347
346
345
345
345
345
343
343
342
342
343

Thursday 9

Waning Crescent 24%

00:39

17:19

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

Sun - Rise: 04:56, Set: 21:06, Transit: 13:01. Moon - Rise: 00:39, Set: 17:19. Civil Dark: 21:50 - 04:13. Nautical Dark: 22:54 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

49
22
9
27
27
16
16
18
10
16
33
38
46
56
87
96
95
95
100
87
87
83
83
41

Low Clouds (% Sky Obscured)

22
22
8
27
27
16
16
18
10
16
33
38
46
44
47
53
42
33
18
15
25
30
28
1

Medium Clouds (% Sky Obscured)

43
3
5
8
9
0
0
0
0
2
1
2
2
1
33
54
57
55
52
42
30
22
24
27

High Clouds (% Sky Obscured)

49
2
0
0
0
0
0
0
0
1
17
13
37
21
44
47
51
59
71
49
28
5
14
27

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
8
8
1
0
1
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
4
3
3
3
3
3
3
3
2
1
1
3
4
5
6
7
7
8
9
8
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
13
13
12
13
12
13
16
18
19
20
21
21
22
23
23
22
22
21
20
20
18

Dew Point (°C)

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

Relative Humidity (%)

73
76
80
83
89
90
90
91
88
82
74
67
61
55
51
51
47
45
49
57
55
60
66
65

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

344
346
345
346
345
344
344
343
344
346
346
345
344
343
343
343
344
344
343
342
341
340
340
341

Friday 10

Waning Crescent 14%

01:10

18:45

22 Bad
23 OK
00 OK
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
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

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: 22:52 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
35
22
10
13
17
27
37
48
54
55
59
60
59
52
56
72
92
82
85
82
95
95
83

Low Clouds (% Sky Obscured)

6
0
2
10
6
0
1
6
11
18
27
35
45
37
28
26
34
49
24
13
11
29
33
17

Medium Clouds (% Sky Obscured)

29
19
12
0
5
13
19
22
24
26
27
28
31
34
35
36
50
58
72
52
28
4
29
55

High Clouds (% Sky Obscured)

34
27
13
0
0
0
0
0
1
1
4
6
8
5
2
0
0
0
0
28
57
90
53
25

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
1
2
0
0
0
0
0
0
0
0
1
1
1
8
23
24
17
5
7
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)

4
4
4
4
4
4
4
4
4
3
4
5
7
9
9
10
11
11
10
9
8
6
5
4

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
12
12
13
15
17
19
20
21
22
22
23
22
21
21
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

12
11
10
10
9
8
8
8
10
10
9
10
10
10
10
10
10
11
11
10
10
11
13
12

Relative Humidity (%)

73
75
74
75
75
74
76
76
78
69
58
56
52
48
46
44
44
48
52
48
49
56
66
69

Pressure (mb)

1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

344
346
345
344
343
342
340
339
340
339
338
337
337
337
336
335
335
335
335
335
337
338
337
336

Saturday 11

Waning Crescent 6%

01:55

19:58

22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 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: 22:51 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
51
30
31
12
43
26
22
24
35
46
40
31
36
42
52
59
63
66
69
73
75
77
79

Low Clouds (% Sky Obscured)

40
15
20
31
12
34
23
22
24
35
46
40
31
36
42
45
43
45
47
51
55
58
53
48

Medium Clouds (% Sky Obscured)

80
51
30
19
12
6
0
3
6
9
42
40
31
33
37
44
46
40
38
36
38
37
40
44

High Clouds (% Sky Obscured)

0
1
1
4
0
0
0
0
1
3
2
2
1
1
1
1
2
3
4
4
3
2
11
22

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 (%)

6
7
5
1
7
7
2
6
6
2
1
0
0
0
0
0
0
0
0
0
1
1
4
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)

4
3
3
3
3
3
3
4
5
5
6
7
8
9
10
10
11
10
9
8
6
5
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
15
16
14
15
16
19
19
19
20
20
21
21
22
23
23
22
22
22
22
19

Dew Point (°C)

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

Relative Humidity (%)

73
66
73
75
75
78
78
79
78
71
61
54
50
44
44
44
44
46
48
49
53
59
65
67

Pressure (mb)

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

Ozone (du)

335
336
336
337
335
334
333
332
331
330
331
331
331
331
332
332
332
332
333
334
335
335
336
337

Sunday 12

Waning Crescent 2%

03:00

20:54

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 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: 22:49 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
82
82
82
86
88
93
78
63
49
39
30
20
40
58
75
76
75
81
72
60
43
39
35

Low Clouds (% Sky Obscured)

39
35
40
45
44
42
42
40
36
31
33
30
20
40
53
71
75
75
77
68
57
42
31
24

Medium Clouds (% Sky Obscured)

42
26
13
0
0
1
1
1
1
1
0
0
0
10
19
27
25
24
23
20
17
12
14
16

High Clouds (% Sky Obscured)

39
37
41
51
64
74
81
61
41
31
23
14
3
4
5
6
5
3
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
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 (%)

1
2
3
2
8
9
2
5
7
3
24
32
32
28
25
29
38
42
38
36
31
27
26
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
18
18
17
17
17
16
15
22
23
23
25
26
28
22
22
22
23
22
23
20

Dew Point (°C)

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

Relative Humidity (%)

70
72
69
66
63
68
74
78
73
69
62
55
50
44
49
55
62
63
64
65
68
72
76
77

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

339
341
342
344
345
347
350
352
351
351
350
351
351
352
353
354
355
357
358
360
361
362
363
362

Monday 13

Waning Crescent 0%

04:23

21:32

22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK

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: 22:48 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
29
31
24
21
24
27
32
33
38
48
55
64
58
53
46

Low Clouds (% Sky Obscured)

20
22
24
23
21
24
26
26
28
31
32
30
25
21
20
19

Medium Clouds (% Sky Obscured)

18
15
13
12
9
5
0
0
0
0
1
1
2
3
4
6

High Clouds (% Sky Obscured)

0
0
0
0
3
7
12
9
6
3
9
14
22
28
22
19

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
26
21
1
6
4
1
3
2
1
1
2
0
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
11
10
9
9
9
9
9
9
9
8
6
5
5
5

Relative Humidity (%)

78
79
76
75
73
72
75
75
68
63
57
48
41
34
34
33

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

362
361
361
360
359
356
353
350
349
348
347
345
344
342
342
341

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

Generated: 07/07/26 22:20:06. Forecast: 07/07/26 to 13/07/26. Timezone: UTC+2.00