Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 17

Waxing Crescent 39%

14:16

21:26

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

Sun - Rise: 06:43, Set: 19:11, Transit: 12:56. Moon - Rise: 14:16, Set: 21:26. Civil Dark: 19:43 - 06:10. Nautical Dark: 20:22 - 05:32. Astro Dark: 21:02 - 04:52

Total Clouds (% Sky Obscured)

87
67
72
34
34
37
67
78
82
84
66
58
74
82
33
56
49
100
100
98
100
100
100
99

Low Clouds (% Sky Obscured)

20
32
36
34
34
37
25
44
8
23
20
28
22
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
25
30
40
32
22
3
10
7
27
27
5
31
24
22
15
23
3
8
61
71

High Clouds (% Sky Obscured)

45
45
46
0
0
0
4
25
50
72
56
58
74
82
33
56
49
100
100
96
100
100
100
99

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
70
62
53
42
37
33
31
32
32
37
42
46
49
53
55
55
56
58
59
60
62
62

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

296
302
310
313
304
299
295
292
290
289
288
287
286
286
286
287
289
290
291
291
290
290
290
289

Friday 18

First Quarter 49%

15:16

22:12

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

Sun - Rise: 06:44, Set: 19:09, Transit: 12:56. Moon - Rise: 15:16, Set: 22:12. Civil Dark: 19:41 - 06:12. Nautical Dark: 20:20 - 05:34. Astro Dark: 21:00 - 04:54

Total Clouds (% Sky Obscured)

85
77
83
79
84
92
93
78
97
70
56
79
31
34
65
0
0
13
61
86
89
76
100
90

Low Clouds (% Sky Obscured)

0
0
7
9
1
0
0
0
10
9
3
41
1
34
33
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

24
34
81
79
82
77
90
66
59
39
35
34
28
0
27
0
0
0
0
0
0
45
41
86

High Clouds (% Sky Obscured)

77
66
64
48
19
58
82
23
30
19
15
0
0
0
0
0
0
13
61
86
89
76
32
40

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
2
6
16
23
10
3
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
6
7
8
10
10
10
10
10
9
8
7
6
6
5
4
5
5
5
4
5
5
5

Chance of Frost

Temperature (°C)

13
14
16
18
20
21
21
20
19
19
18
18
17
16
14
14
14
13
13
12
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
56
50
42
38
38
37
37
39
42
48
55
65
70
67
72
75
77
79
80
81
81
79

Pressure (mb)

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

Ozone (du)

290
290
289
288
287
287
286
285
286
287
289
294
297
297
292
291
289
287
285
283
282
282
282
281

Saturday 19

Waxing Gibbous 58%

16:04

23:10

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

Sun - Rise: 06:46, Set: 19:06, Transit: 12:55. Moon - Rise: 16:04, Set: 23:10. Civil Dark: 19:39 - 06:14. Nautical Dark: 20:17 - 05:35. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

64
92
86
20
28
67
84
78
88
90
83
49
52
66
65
60
67
77
100
92
82
71
80
90

Low Clouds (% Sky Obscured)

0
0
0
0
6
16
10
17
23
20
3
3
3
3
4
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

24
79
72
7
14
35
66
22
22
20
10
19
52
21
57
21
10
74
51
32
32
71
35
75

High Clouds (% Sky Obscured)

46
75
66
9
6
27
49
61
88
76
74
36
36
30
40
48
56
40
100
81
61
42
60
80

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

Chance of Frost

Temperature (°C)

12
13
15
17
19
20
21
21
21
21
21
21
19
17
16
15
15
15
14
14
14
14
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
74
65
54
46
42
43
38
35
38
42
45
48
49
52
53
53
57
59
60
61
61
59
63

Pressure (mb)

1022
1022
1022
1022
1023
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

280
279
280
280
279
279
278
278
278
279
280
282
281
282
282
283
284
284
285
285
285
285
284
284

Sunday 20

Waxing Gibbous 68%

16:41

00:16

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:47, Set: 19:04, Transit: 12:55. Moon - Rise: 16:41, Set: 00:16. Civil Dark: 19:37 - 06:15. Nautical Dark: 20:15 - 05:37. Astro Dark: 20:55 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
96
93
67
70
94
95
96
97
99
83
70
55
50
50
45
49
57
57
61
65

Low Clouds (% Sky Obscured)

0
1
30
30
21
21
5
27
60
79
61
48
46
40
30
21
16
8
0
7
14
21
29
35

Medium Clouds (% Sky Obscured)

78
86
93
99
96
81
48
50
89
81
60
95
62
44
42
40
31
3
2
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
83
72
64
42
28
18
17
20
25
35
35
30
35
45
45
50
45
49
50
45
35
35

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

Precipitation Probability (%)

0
0
0
0
2
3
3
35
55
63
72
80
79
61
45
18
19
19
14
13
9
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
9
10
11
11
13
14
16
13
13
12
11
10
9
10
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
15
15
16
17
19
18
16
15
15
14
14
13
13
13
12
12
10
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

61
58
53
48
50
53
50
44
46
68
69
69
68
71
73
74
75
75
76
72
75
72
72
71

Pressure (mb)

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

Ozone (du)

285
287
289
292
293
293
294
294
294
294
294
295
295
294
296
296
296
296
297
299
302
305
308
310

Monday 21

Waxing Gibbous 77%

17:09

01:28

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

Sun - Rise: 06:49, Set: 19:02, Transit: 12:55. Moon - Rise: 17:09, Set: 01:28. Civil Dark: 19:34 - 06:17. Nautical Dark: 20:13 - 05:38. Astro Dark: 20:52 - 04:59

Total Clouds (% Sky Obscured)

70
78
87
68
87
95
95
81
81
75
69
70
34
38
45
53
44
37
31
41
51
61
67
74

Low Clouds (% Sky Obscured)

43
51
59
68
63
56
48
47
48
48
46
46
34
16
32
47
44
37
31
41
51
61
64
63

Medium Clouds (% Sky Obscured)

0
16
32
48
48
49
50
46
38
31
22
12
0
28
28
25
22
18
14
8
4
0
0
0

High Clouds (% Sky Obscured)

35
30
30
1
1
0
2
8
2
2
0
0
0
0
0
0
0
0
0
0
1
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
5
4
30
38
37
43
47
46
46
47
47
4
4
1
6
7
12
12
13
13
14
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
68
63
57
50
47
46
39
35
35
37
42
45
51
53
57
60
62
64
67
68
71
74
71

Pressure (mb)

1025
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

310
309
311
315
318
319
318
319
319
319
322
328
331
329
327
326
324
322
321
319
316
314
311
309

Tuesday 22

Waxing Gibbous 85%

17:30

02:42

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

Sun - Rise: 06:50, Set: 19:00, Transit: 12:54. Moon - Rise: 17:30, Set: 02:42. Civil Dark: 19:32 - 06:18. Nautical Dark: 20:10 - 05:40. Astro Dark: 20:50 - 05:01

Total Clouds (% Sky Obscured)

79
79
79
78
84
89
95
92
88
82
75
67
57
50
47
44
34
24
16
19
21
25
32
41

Low Clouds (% Sky Obscured)

61
61
63
66
68
69
71
64
57
52
36
20
7
7
4
4
11
17
16
19
21
25
32
41

Medium Clouds (% Sky Obscured)

0
0
0
0
9
21
34
28
20
14
12
15
14
8
3
0
0
0
0
0
0
0
1
3

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
1
1
2
2
1
1
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 (%)

10
14
17
18
17
14
10
17
14
5
11
15
16
16
16
12
11
8
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)

9
9
10
11
13
13
13
13
12
12
11
9
8
6
5
4
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
4
4
5
5
6
5
5
5
5
5
5
5
6
5
5
4
4
4
4
4

Relative Humidity (%)

68
66
62
57
52
51
52
52
53
52
51
54
57
60
63
66
69
70
73
74
75
75
77
75

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

306
304
303
302
300
300
300
300
300
300
300
302
303
304
305
306
307
306
306
305
304
304
303
303

Wednesday 23

Waxing Gibbous 91%

17:48

03:57

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:52, Set: 18:58, Transit: 12:54. Moon - Rise: 17:48, Set: 03:57. Civil Dark: 19:30 - 06:20. Nautical Dark: 20:08 - 05:42. Astro Dark: 20:47 - 05:02

Total Clouds (% Sky Obscured)

52
50
48
50
52
50
52
54
60
65
67
68
73
80
87
93
81
71
60

Low Clouds (% Sky Obscured)

52
50
48
50
52
50
52
54
60
65
67
58
45
44
43
40
52
63
60

Medium Clouds (% Sky Obscured)

4
8
11
13
16
15
16
22
24
29
24
17
13
22
31
41
40
40
44

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
12
23
32
35
44
54
62
67
71
51
34
17

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
0
0
1
1
1
4
4
10
20
33

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

9
9
11
13
15
15
17
17
17
17
17
16
15
13
13
12
13
12
12

Feels Like (°C)

9
9
10
11
12
11
13
13
16
16
15
15
15
15
9
10
11
11
11

Dew Point (°C)

4
4
4
4
4
3
2
1
1
0
-0
0
1
1
1
1
2
2
3

Relative Humidity (%)

74
72
63
55
48
43
38
33
32
31
30
34
38
43
44
46
48
51
53

Pressure (mb)

1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

303
302
301
299
298
299
299
300
299
298
298
297
296
295
296
297
299
300
302

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 17/09/26 06:34:20. Forecast: 17/09/26 to 23/09/26. Timezone: UTC+2.00