Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Crescent 34%

00:17

15:50

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

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: 22:54 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
80
85
100
100
100
99
80
19
44
40
45
47
49
44
40
19
27
25
34
30
11
38
63

Low Clouds (% Sky Obscured)

0
0
0
3
31
24
32
12
14
44
40
45
39
49
36
40
19
8
5
16
16
2
15
37

Medium Clouds (% Sky Obscured)

0
25
42
100
100
100
99
69
3
0
0
0
33
22
42
39
0
22
17
10
0
0
0
4

High Clouds (% Sky Obscured)

61
80
85
100
88
68
47
4
3
3
2
0
0
0
0
0
0
0
1
3
5
7
12
38

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
3
2
1
1
1
0
1
2
4
4
4
5
6
7
8
10
10
10
9
5
3
3

Chance of Frost

Temperature (°C)

13
12
11
11
11
11
10
11
12
14
16
18
19
20
21
22
22
21
21
21
20
18
16
14

Feels Like (°C)

13
11
10
10
10
10
9
10
13
16
17
18
19
20
21
20
20
20
20
19
18
17
16
14

Dew Point (°C)

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

Relative Humidity (%)

77
77
79
80
81
83
87
85
79
73
65
56
46
40
36
36
39
42
43
49
55
65
74
76

Pressure (mb)

1015
1015
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015

Ozone (du)

372
367
365
362
361
360
359
357
355
356
358
359
357
357
359
361
360
359
356
355
353
351
350
349

Thursday 9

Waning Crescent 24%

00:39

17:19

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 OK
07 OK
08 OK
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)

37
42
34
22
9
21
52
27
35
33
69
78
95
85
65
86
79
68
57
52
51
51
58
54

Low Clouds (% Sky Obscured)

34
36
34
18
0
14
21
2
8
13
37
41
35
35
24
28
41
26
30
4
0
13
2
9

Medium Clouds (% Sky Obscured)

24
33
28
1
0
0
0
0
0
0
0
5
48
64
39
56
50
34
56
52
51
22
33
0

High Clouds (% Sky Obscured)

13
6
1
6
8
6
29
27
26
18
38
30
25
8
0
0
3
68
55
51
51
13
43
51

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
11
10
10
13
16
17
19
20
21
22
22
23
23
23
22
21
20
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
86
87
90
91
91
91
84
75
66
55
47
41
40
41
40
42
41
46
51
62
64
69

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

350
350
349
349
348
346
347
346
347
347
347
347
348
349
348
347
348
348
349
349
348
347
346
348

Friday 10

Waning Crescent 14%

01:10

18:45

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

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)

10
9
1
0
0
2
0
2
5
27
24
25
22
33
27
23
41
48
45
48
46
55
50
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
5
27
24
25
22
33
7
0
7
16
14
2
5
8
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
17
24
27
23
41
37
31
30
15
10
44
2

High Clouds (% Sky Obscured)

8
8
1
0
0
0
0
2
1
2
0
2
0
3
0
0
0
2
2
4
13
36
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
75
80
84
88
92
89
78
64
56
51
47
46
44
42
41
41
42
46
54
60
62
68

Pressure (mb)

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

Ozone (du)

349
350
350
349
347
345
343
343
343
342
342
342
341
342
341
341
341
342
342
345
350
353
353
351

Saturday 11

Waning Crescent 6%

01:55

19:58

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

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)

3
31
6
7
7
14
39
9
4
3
4
15
35
55
77
80
79
71
75
61
26
29
9
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
1
0
0
0
0
3
4
11
13
11
21
19
1
9
0
2

Medium Clouds (% Sky Obscured)

2
0
0
0
1
3
3
3
0
0
0
0
14
28
41
40
39
38
36
27
22
26
8
0

High Clouds (% Sky Obscured)

0
16
3
6
7
11
30
6
2
2
2
11
7
4
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
1
1
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
4
4
4
4
4
4
4
4
5
6
7
8
9
10
10
9
10
6
4
3
3
4

Chance of Frost

Temperature (°C)

14
13
12
12
12
11
11
13
15
18
19
21
23
23
24
24
24
25
25
23
23
22
20
18

Feels Like (°C)

14
14
12
12
12
12
12
13
17
19
20
21
21
22
23
23
22
23
24
23
24
25
21
20

Dew Point (°C)

9
9
9
8
8
8
8
9
10
10
9
10
11
10
10
11
11
11
11
15
15
15
14
13

Relative Humidity (%)

74
77
77
77
77
79
80
77
69
60
52
48
46
43
41
41
41
42
42
59
60
66
68
73

Pressure (mb)

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

Ozone (du)

347
343
343
342
343
341
341
341
342
341
341
341
342
342
342
342
341
340
339
339
341
341
343
343

Sunday 12

Waning Crescent 2%

03:00

20:54

23 Good
00 Good
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 OK
14 OK
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)

0
0
1
7
1
0
0
0
0
1
3
9
13
21
31
34
37
32
22
18
14
12
11
9

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
9
12
16
21
26
31
32
22
18
14
12
11
9

Medium Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
6
12
18
12
7
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
5
1
0
0
0
0
0
0
3
3
2
1
2
2
3
4
2
2
1
1
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
1
0
0
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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
13
15
17
19
21
22
24
24
25
25
25
25
25
24
23
21
20
18

Feels Like (°C)

18
17
16
15
15
15
15
17
19
22
23
24
24
24
24
24
24
24
24
24
25
25
19
20

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
76
82
83
84
82
73
64
56
46
41
40
40
39
40
39
40
46
53
59
60
62

Pressure (mb)

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

Ozone (du)

345
343
342
347
353
356
355
352
352
352
351
350
349
347
347
347
347
347
347
348
349
349
351
354

Monday 13

Waning Crescent 0%

04:23

21:32

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 OK
16 Good
17 Good
18 OK
19 OK
20 Bad
21 Bad
22 Bad

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)

13
12
11
9
7
3
7
10
14
17
20
23
30
34
38
30
21
5
13
23
32
51
63
70

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
1
3
6
10
11
7
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
5
7
7
4
1
1
0
0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
2
4
6
27
34
38
30
21
2
8
13
14
14
12
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
4
2
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
4
4
4
4
4
4
4
4
5
6
7
7
7
8
8
8
8
8
7
7
6
5
5

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
13
15
17
19
21
23
24
25
25
25
26
25
25
24
22
21
20
18

Feels Like (°C)

20
19
18
18
14
15
15
15
15
15
22
23
24
24
25
25
26
25
24
25
25
26
19
19

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
69
71
72
72
68
64
58
51
45
39
37
35
33
34
33
34
41
49
60
61
62

Pressure (mb)

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

Ozone (du)

356
354
353
352
351
350
350
350
350
350
351
352
354
355
356
358
356
355
354
351
348
344
343
342

Tuesday 14

New Moon 2%

05:54

21:59

23 Bad
00 Bad
01 Bad
02 OK
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 OK
19 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)

66
63
53
43
37
29
39
48
57
54
52
58
65
70
82
79
80
84
64
43
25

Low Clouds (% Sky Obscured)

1
2
3
4
3
4
3
2
0
2
4
12
14
15
15
12
15
15
16
16
11

Medium Clouds (% Sky Obscured)

7
14
18
12
7
2
1
1
0
0
0
0
0
0
1
4
8
12
9
6
2

High Clouds (% Sky Obscured)

10
10
9
10
7
2
26
48
57
54
51
43
47
60
79
78
76
37
6
4
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

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
4
3
3
3
2
2
2
3
3
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

17
16
16
15
15
14
14
16
19
21
22
24
26
27
27
27
27
27
27
26
24

Feels Like (°C)

19
18
18
17
14
14
14
14
15
15
24
24
25
26
26
27
28
27
26
27
27

Dew Point (°C)

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

Relative Humidity (%)

64
64
65
65
64
66
64
61
57
54
49
44
40
39
36
35
36
36
38
45
53

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

341
340
339
338
338
338
337
337
338
338
337
337
336
336
336
335
334
334
333
333
332

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

Generated: 08/07/26 22:49:57. Forecast: 08/07/26 to 14/07/26. Timezone: UTC+2.00