Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Crescent 24%

00:39

17:19

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: 04:56, Set: 21:06, Transit: 13:01. Moon - Rise: 00:39, Set: 17:19. Civil Dark: 21:50 - 04:13. Nautical Dark: 22:52 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
67
77
74
71
82
80
93
86
74
84
91
99
98
98
89
89
93
99
100
93
84
89
87

Low Clouds (% Sky Obscured)

48
66
47
32
24
27
23
28
20
36
51
45
38
29
25
30
2
7
28
0
8
19
0
3

Medium Clouds (% Sky Obscured)

0
16
8
1
3
3
3
4
2
18
22
35
31
39
38
72
68
87
98
99
90
49
53
42

High Clouds (% Sky Obscured)

8
27
60
60
66
71
65
80
70
45
46
86
97
95
96
41
70
62
71
100
75
70
72
67

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
64
74
76
79
81
79
72
68
62
54
44
40
40
42
43
42
44
47
51
59
64
66

Pressure (mb)

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

Ozone (du)

349
348
348
349
348
347
348
347
347
347
348
348
348
349
350
349
349
348
348
348
349
348
347
347

Friday 10

Waning Crescent 14%

01:10

18:45

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

66
63
51
69
71
44
32
2
4
1
30
23
34
20
44
51
53
76
55
35
27
77
100
79

Low Clouds (% Sky Obscured)

6
4
15
11
12
17
24
0
0
0
26
20
29
18
10
24
27
23
35
5
17
38
29
34

Medium Clouds (% Sky Obscured)

15
10
34
65
19
26
0
0
3
0
1
0
0
0
25
29
31
61
45
26
25
57
54
51

High Clouds (% Sky Obscured)

55
50
5
23
67
3
2
2
0
1
2
1
0
0
0
0
1
22
45
5
5
29
70
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
5
8
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
1
5
29
41
23
36
33
13
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
3
4
7
8
8
8
9
10
10
10
10
8
7
6
4
3

Chance of Frost

Temperature (°C)

15
14
13
12
12
11
11
12
15
17
18
19
20
21
22
22
23
22
21
19
20
19
16
15

Feels Like (°C)

13
12
11
11
10
10
12
13
16
18
19
18
19
20
21
21
21
21
19
18
21
20
16
14

Dew Point (°C)

9
9
9
8
8
8
10
10
11
11
9
8
8
8
9
9
10
10
14
18
16
16
15
14

Relative Humidity (%)

69
71
74
76
79
81
88
87
76
65
55
48
44
43
43
43
43
44
61
91
80
85
90
92

Pressure (mb)

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

Ozone (du)

346
345
345
345
347
348
348
348
349
349
350
351
352
352
353
355
356
363
370
377
380
375
371
369

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 OK
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)

74
61
84
99
93
78
79
81
91
77
80
84
98
97
76
45
63
48
58
75
63
22
65
50

Low Clouds (% Sky Obscured)

37
24
9
15
20
20
20
20
23
32
34
43
85
88
67
21
23
28
2
4
10
10
36
35

Medium Clouds (% Sky Obscured)

51
51
73
98
92
76
79
81
91
75
77
63
82
83
37
44
41
44
36
69
24
18
11
5

High Clouds (% Sky Obscured)

45
29
64
55
45
35
35
35
5
0
3
0
0
0
0
0
0
1
1
1
0
0
1
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
7
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
3
8
6
13
10
21
21
17
9
15
15
1
7
35
32
28
19
5
1
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
2
2
3
3
3
4
4
6
7
8
8
8
10
9
9
8
5
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
90
89
92
90
90
90
92
93
93
93
91
91
70
55
62
62
65
69
75
84
78

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

366
363
359
358
357
356
355
355
355
356
357
359
357
354
355
356
357
357
356
354
349
347
346
349

Sunday 12

Waning Crescent 2%

03:00

20:54

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

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)

39
32
18
9
1
0
0
0
2
1
1
0
18
42
59
49
42
33
23
11
3
2
1
0

Low Clouds (% Sky Obscured)

29
21
10
7
1
0
0
0
0
0
0
0
5
10
16
18
20
22
15
9
3
2
1
0

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
9
18
26
23
19
15
11
6
0
0
0
0

High Clouds (% Sky Obscured)

2
3
4
1
0
0
0
0
2
1
1
0
0
1
0
0
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
14
13
15
18
20
21
23
24
25
26
26
26
26
26
25
24
23
21
19

Feels Like (°C)

17
16
16
16
16
15
15
17
21
23
24
24
25
25
25
26
25
26
25
25
25
25
22
20

Dew Point (°C)

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

Relative Humidity (%)

81
82
83
84
86
87
90
89
79
71
61
53
46
42
40
41
40
42
43
48
54
66
70
72

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

351
352
352
351
350
349
349
347
347
347
347
349
351
352
355
358
358
357
356
356
356
356
358
359

Monday 13

Waning Crescent 0%

04:23

21:32

23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
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 Bad
22 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: 22:46 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
10
19
23
26
26
23
18
23
27
75
89
96
97
98
100
86
72
59
46
35
22

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
11
16
18
23
27
37
55
71
62
58
53
45
36
29
31
31
15

Medium Clouds (% Sky Obscured)

0
0
0
10
19
23
26
26
23
18
22
15
16
16
17
18
21
23
23
21
20
18
15
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
7
11
62
68
66
65
65
61
55
72
59
46
31
8

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
4
4
2
6
9
9
26
34
40
38
34
20
33
26
2

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

Chance of Frost

Temperature (°C)

17
16
15
15
14
14
14
16
18
21
22
24
25
26
26
25
25
25
24
23
23
22
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
74
74
74
75
76
74
67
59
54
48
43
40
40
50
49
47
46
50
56
62
65
68

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

359
360
359
361
360
358
357
357
357
356
354
354
353
352
350
349
350
350
350
350
350
350
349
349

Tuesday 14

New Moon 2%

05:54

21:59

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

26
22
17
14
11
6
11
17
21
26
32
41
42
44
44
56
71
91
85
78
69
48
27
12

Low Clouds (% Sky Obscured)

8
0
0
0
0
0
11
17
21
25
24
25
23
20
15
30
44
57
47
34
36
26
21
10

Medium Clouds (% Sky Obscured)

8
5
3
3
1
0
0
0
0
4
14
23
23
26
31
31
33
33
23
13
2
2
1
0

High Clouds (% Sky Obscured)

5
4
2
1
0
0
0
1
1
1
1
1
3
5
6
17
34
48
43
39
28
12
4
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
22
22
18
18
18
18
18
17
25
25
25
26
27
28
29
28
27
27
27
27
22
23

Dew Point (°C)

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

Relative Humidity (%)

71
73
76
78
77
78
78
71
66
61
54
49
43
41
38
36
39
43
47
52
57
63
67
70

Pressure (mb)

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

Ozone (du)

349
350
351
352
351
351
351
350
349
348
347
346
345
344
343
342
341
340
339
338
338
337
336
335

Wednesday 15

Waxing Crescent 7%

07:25

22:18

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

18
21
18
44
73
100
87
74
60
74
85
94
70
48
25
22
15
5
9
13
58

Low Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
2
4
11
8
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
16
31
47
29
16
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

2
4
5
38
70
100
82
66
50
61
66
63
48
35
24
21
15
5
9
13
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

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)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
16
16
18
20
22
24
26
27
28
29
30
30
29
29
28
26

Feels Like (°C)

23
22
21
21
17
17
17
17
17
17
24
24
24
25
26
26
32
31
30
31
32

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
78
77
77
75
70
65
61
53
47
42
39
38
35
34
33
33
39
48

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019

Ozone (du)

334
334
333
333
331
329
327
329
330
332
331
330
330
329
328
327
324
321
318
317
317

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

Generated: 09/07/26 23:17:48. Forecast: 09/07/26 to 15/07/26. Timezone: UTC+2.00