Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 31%

09:25

01:10

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 Good
19 Good
20 OK
21 Good
22 OK

Sun - Rise: 04:59, Set: 20:45, Transit: 12:52. Moon - Rise: 09:25, Set: 01:10. Civil Dark: 21:27 - 04:18. Nautical Dark: 22:24 - 03:21. Astro Dark: 23:48 - 01:52

Total Clouds (% Sky Obscured)

88
91
86
63
60
57
72
52
40
54
63
82
78
85
84
78
82
81
67
7
3
19
12
44

Low Clouds (% Sky Obscured)

47
45
49
47
51
52
61
44
40
50
48
75
72
82
78
68
73
59
35
4
0
0
0
0

Medium Clouds (% Sky Obscured)

81
80
76
57
39
0
19
40
0
9
30
11
33
43
48
32
37
40
36
2
0
0
0
0

High Clouds (% Sky Obscured)

2
1
0
1
3
25
31
3
2
0
0
0
29
8
5
5
3
56
51
2
3
19
9
37

ISS Passover

Visibility (miles)

7
7
9
9
7
9
9
9
9
9
6
3
4
7
7
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

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

Precipitation Probability (%)

58
31
7
17
17
4
0
0
0
21
42
66
66
52
34
20
14
3
3
3
1
0
0
0

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
11
10
9
8
8
9
11
13
14
16
16
18
18
18
19
19
18
18
17
15
12
11

Feels Like (°C)

14
12
11
11
10
10
8
9
12
14
15
16
16
19
19
17
18
18
17
16
17
15
12
12

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
95
96
96
96
95
91
86
82
79
74
66
62
61
60
52
62
62
66
75
81
83

Pressure (mb)

1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1028
1028

Ozone (du)

365
365
365
364
363
362
361
362
362
359
360
365
363
360
356
356
354
352
349
348
346
346
345
344

Thursday 21

Waxing Crescent 42%

10:51

01:36

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

Sun - Rise: 04:58, Set: 20:47, Transit: 12:52. Moon - Rise: 10:51, Set: 01:36. Civil Dark: 21:28 - 04:16. Nautical Dark: 22:26 - 03:19. Astro Dark: 23:53 - 01:47

Total Clouds (% Sky Obscured)

84
90
72
70
46
59
41
45
55
37
36
69
91
84
84
84
85
68
89
70
45
52
20
4

Low Clouds (% Sky Obscured)

0
0
0
8
28
33
33
21
18
5
6
49
74
71
59
58
68
54
29
23
7
15
9
0

Medium Clouds (% Sky Obscured)

0
9
28
24
22
23
8
2
0
0
2
9
21
32
43
43
45
56
80
51
16
3
2
2

High Clouds (% Sky Obscured)

66
73
39
33
27
32
18
42
55
37
36
65
56
61
61
37
55
63
50
55
45
45
8
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
2
13
5
5
13
3
16
6
18
9
5
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
3
3
3
3
3
3
2
1
2
2
2
2
3
3
4
5
6
7
7
5
4
4

Chance of Frost

Temperature (°C)

10
9
9
9
8
8
8
9
11
14
16
17
19
19
20
20
21
21
21
20
19
17
15
13

Feels Like (°C)

10
9
8
9
9
8
8
9
12
14
15
17
18
19
19
19
20
20
19
19
17
16
14
13

Dew Point (°C)

8
7
6
6
6
6
7
7
9
11
11
11
11
10
11
11
11
11
12
13
13
14
12
11

Relative Humidity (%)

85
84
84
85
87
88
91
90
83
78
70
65
61
55
55
54
55
54
59
64
71
79
82
86

Pressure (mb)

1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1030

Ozone (du)

344
339
338
335
335
334
331
330
331
329
329
330
331
332
333
332
330
330
332
332
332
333
336
336

Friday 22

Waxing Crescent 53%

12:13

01:54

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

Sun - Rise: 04:57, Set: 20:48, Transit: 12:52. Moon - Rise: 12:13, Set: 01:54. Civil Dark: 21:30 - 04:15. Nautical Dark: 22:28 - 03:17. Astro Dark: 23:58 - 01:41

Total Clouds (% Sky Obscured)

5
73
71
71
35
28
24
11
28
17
59
63
65
61
26
18
16
12
15
6
4
4
11
28

Low Clouds (% Sky Obscured)

0
0
0
18
31
28
24
11
28
10
59
63
65
61
23
18
16
11
15
1
0
0
0
0

Medium Clouds (% Sky Obscured)

1
2
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
73
71
66
12
0
0
0
2
7
10
4
4
6
4
4
5
4
4
6
4
3
9
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
1
5
2
0
2
2
1
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
3
3
4
5
6
6
7
9
9
10
10
9
7
5
5
4

Chance of Frost

Temperature (°C)

12
11
11
11
10
10
10
10
13
17
18
20
21
22
23
23
23
23
23
22
21
19
17
15

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
8
8
8
10
12
13
13
13
13
13
13
13
14
14
15
15
16
14
13

Relative Humidity (%)

89
88
88
88
88
88
88
87
79
73
70
65
60
55
54
53
54
56
59
64
70
78
85
86

Pressure (mb)

1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028
1028
1029
1029

Ozone (du)

335
336
337
338
338
338
338
338
337
336
336
336
336
337
335
333
332
330
330
331
331
331
331
330

Saturday 23

First Quarter 64%

13:30

02:09

23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
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: 04:56, Set: 20:49, Transit: 12:52. Moon - Rise: 13:30, Set: 02:09. Civil Dark: 21:31 - 04:14. Nautical Dark: 22:30 - 03:15. Astro Dark: 00:04 - 01:35

Total Clouds (% Sky Obscured)

10
15
19
16
8
3
0
0
1
9
11
23
36
39
53
47
48
50
53
99
94
83
36
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
21
32
48
39
31
24
17
33
19
0
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
2
8
14
17
16
16
10
18
43
46
27
14
0

High Clouds (% Sky Obscured)

10
15
19
16
8
1
0
0
1
6
9
9
10
11
11
22
38
50
53
77
93
70
33
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
3
9
9
9
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
5
25
48
51
65
71
67
57
68
51
14
3
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.5
0.5
0.3
0.2
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
13
12
12
12
14
16
18
20
22
23
23
24
25
25
26
26
24
23
22
20
18

Feels Like (°C)

15
15
14
14
13
13
14
15
19
21
22
24
25
25
26
27
27
27
28
26
23
22
20
19

Dew Point (°C)

12
12
11
11
10
10
10
11
12
13
13
13
14
16
17
19
19
18
17
19
20
19
17
16

Relative Humidity (%)

89
89
89
87
87
86
86
82
75
69
64
59
58
62
63
67
67
63
57
73
83
85
86
88

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028

Ozone (du)

329
330
330
329
328
329
329
332
332
332
337
337
333
329
327
328
329
328
325
322
321
319
317
317

Sunday 24

Waxing Gibbous 73%

14:44

02:22

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 04:55, Set: 20:50, Transit: 12:53. Moon - Rise: 14:44, Set: 02:22. Civil Dark: 21:33 - 04:13. Nautical Dark: 22:32 - 03:13. Astro Dark: 00:09 - 01:29

Total Clouds (% Sky Obscured)

61
77
76
58
53
50
61
74
68
57
49
55
48
37
25
31
37
39
23
10
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
7
14
22
27
30
25
22
11
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)

37
63
76
58
40
21
33
48
63
57
49
55
48
26
2
20
37
39
23
10
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
1
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
5
5
5
5
5
5
4
4
5
5
4
5
5
6
7
8
8
9
9
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
14
15
14
14
12
11
12
14
16
17
18
20
21
21
22
22
22
22
21
22
21
17
17

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
93
93
95
95
93
87
77
61
48
43
41
42
44
46
48
52
57
63
70
72
74

Pressure (mb)

1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1029

Ozone (du)

317
316
317
315
315
315
314
315
314
315
314
312
311
310
311
312
312
312
313
313
314
315
317
318

Monday 25

Waxing Gibbous 82%

15:57

02:34

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 OK
12 Good
13 Good
14 Good
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 04:54, Set: 20:52, Transit: 12:53. Moon - Rise: 15:57, Set: 02:34. Civil Dark: 21:34 - 04:11. Nautical Dark: 22:34 - 03:12. Astro Dark: 00:16 - 01:21

Total Clouds (% Sky Obscured)

1
1
2
13
23
33
36
35
35
34
33
32
21
13
5
13
20
28
22
16
9
8
7
7

Low Clouds (% Sky Obscured)

1
1
2
13
23
33
36
35
35
34
33
32
21
13
5
8
10
14
10
7
4
4
3
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
14
21
15
7
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
7
13
20
13
7
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
1
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
3
3
2
2
3
3
4
5
5
4
4
4
7
11
9
7
5
5
5

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
11
13
15
16
18
19
20
21
23
24
24
23
23
22
21
20
18
16

Feels Like (°C)

17
16
16
15
12
13
13
13
12
12
19
20
20
20
21
22
27
26
26
26
26
26
19
18

Dew Point (°C)

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

Relative Humidity (%)

76
78
80
83
84
86
87
80
75
69
65
61
57
54
52
50
51
53
55
59
65
71
76
79

Pressure (mb)

1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

320
319
319
318
318
318
318
316
314
312
312
312
312
312
313
313
314
315
316
316
317
318
318
317

Tuesday 26

Waxing Gibbous 89%

17:09

02:47

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

Sun - Rise: 04:53, Set: 20:53, Transit: 12:53. Moon - Rise: 17:09, Set: 02:47. Civil Dark: 21:35 - 04:10. Nautical Dark: 22:36 - 03:10. Astro Dark: 00:24 - 01:11

Total Clouds (% Sky Obscured)

6
5
4
3
3
2
1
0
0
25
50
68
56
47
38
41
42
43
42
38
24

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
10
20
29
31
34
38
41
42
43
42
36
24

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)

3
5
4
3
3
2
1
0
0
19
39
58
41
24
7
5
3
1
33
38
24

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
11
13
15
17
18
20
21
22
23
24
23
23
23
21
19

Feels Like (°C)

18
17
17
16
12
12
13
12
12
12
20
20
21
21
21
22
25
25
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

83
86
86
87
87
88
87
82
75
68
64
60
57
53
49
45
45
44
44
49
55

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020

Ozone (du)

317
317
318
318
320
323
325
324
323
322
322
323
323
324
324
325
326
327
328
328
328

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

Generated: 20/05/26 23:20:52. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+2.00