Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waxing Crescent 4%

09:34

18:27

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

Sun - Rise: 07:20, Set: 18:17, Transit: 12:48. Moon - Rise: 09:34, Set: 18:27. Civil Dark: 18:49 - 06:47. Nautical Dark: 19:26 - 06:10. Astro Dark: 20:04 - 05:32

Total Clouds (% Sky Obscured)

52
48
33
24
25
28
59
65
81
99
98
94
84
71
52
30
46
37
30
29
16
18
30
32

Low Clouds (% Sky Obscured)

52
26
20
21
24
19
48
37
59
69
85
55
51
47
36
30
33
25
30
29
12
3
16
30

Medium Clouds (% Sky Obscured)

19
0
3
6
2
8
22
39
30
54
47
45
35
23
21
26
42
31
23
8
0
0
9
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
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 (%)

1
1
0
0
0
0
0
2
7
17
6
4
2
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)

8
8
7
6
6
7
8
7
7
7
6
6
6
5
3
2
1
2
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
85
84
74
67
59
54
53
53
57
59
61
64
68
72
74
77
77
79
79
78
78

Pressure (mb)

1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

325
325
326
327
326
325
325
324
323
323
323
322
318
315
312
312
309
304
302
300
299
297
296
295

Tuesday 13

Waxing Crescent 9%

10:49

18:51

04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 Good
11 Good
12 OK
13 OK
14 OK
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

Sun - Rise: 07:21, Set: 18:15, Transit: 12:48. Moon - Rise: 10:49, Set: 18:51. Civil Dark: 18:47 - 06:49. Nautical Dark: 19:24 - 06:11. Astro Dark: 20:02 - 05:34

Total Clouds (% Sky Obscured)

31
35
38
38
32
22
8
3
26
22
29
67
91
92
88
95
96
94
97
100
100
100
93
100

Low Clouds (% Sky Obscured)

31
35
38
38
32
22
7
3
24
16
21
28
33
29
0
3
3
5
57
100
85
100
85
100

Medium Clouds (% Sky Obscured)

14
12
6
0
0
0
0
0
0
0
0
0
41
84
86
93
95
94
93
97
100
95
86
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
4
40
49
45
65
44
31
31
56
100
100
100
33
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
3
7
9
9

Fog (%)

1
4
9
17
16
9
2
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
Light Rain
Light Rain
Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
18
44
73
95
89
35
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.4
0.4
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
5
5
5
7
9
11
13
14
15
15
15
15
13
12
11
12
12
12
12
11
11
11

Feels Like (°C)

6
5
5
5
5
8
10
12
13
14
14
15
13
13
11
10
8
8
8
9
9
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

81
82
83
85
83
77
68
60
54
47
42
40
38
41
45
47
48
51
56
64
76
81
81
84

Pressure (mb)

1026
1026
1027
1027
1027
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

295
295
293
290
288
286
285
284
283
281
281
280
279
278
276
275
274
274
276
275
275
275
279
280

Wednesday 14

Waxing Crescent 15%

12:00

19:23

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

Sun - Rise: 07:23, Set: 18:12, Transit: 12:48. Moon - Rise: 12:00, Set: 19:23. Civil Dark: 18:45 - 06:50. Nautical Dark: 19:22 - 06:13. Astro Dark: 20:00 - 05:35

Total Clouds (% Sky Obscured)

94
85
89
83
87
82
41
45
44
93
97
100
80
100
66
100
100
100
29
92
94
37
61
81

Low Clouds (% Sky Obscured)

80
72
79
71
77
68
41
45
44
37
48
52
42
33
16
2
3
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

76
42
45
2
0
0
0
0
0
0
0
0
0
41
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
10
35
45
51
3
3
5
86
90
100
61
100
65
99
100
100
29
92
94
37
61
81

ISS Passover

Visibility (miles)

8
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 (%)

40
28
27
10
0
0
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

11
12
12
12
12
12
13
14
15
16
16
16
16
15
14
12
12
11
11
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
9
8
8
7
6
5
5
5
5
6
5
6
6
6
6
5
6
5
5

Relative Humidity (%)

85
86
88
88
87
80
71
64
57
52
48
47
48
52
57
63
67
71
74
77
80
81
82
82

Pressure (mb)

1025
1025
1026
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

281
283
287
291
294
296
296
296
296
295
294
292
291
290
291
290
291
291
290
289
288
288
288
287

Thursday 15

Waxing Crescent 23%

13:04

20:05

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

Sun - Rise: 07:24, Set: 18:10, Transit: 12:47. Moon - Rise: 13:04, Set: 20:05. Civil Dark: 18:43 - 06:52. Nautical Dark: 19:20 - 06:14. Astro Dark: 19:58 - 05:37

Total Clouds (% Sky Obscured)

99
91
78
71
75
75
75
58
43
15
9
4
0
0
0
0
22
43
70
70
70
65
58
57

Low Clouds (% Sky Obscured)

0
8
15
23
14
7
0
5
17
15
9
4
0
0
0
0
0
0
0
11
23
34
39
42

Medium Clouds (% Sky Obscured)

0
15
30
45
55
60
55
37
17
0
0
0
0
0
0
0
0
0
0
0
0
0
12
24

High Clouds (% Sky Obscured)

99
91
77
71
50
25
0
0
0
0
0
0
0
0
0
0
18
40
65
70
65
65
54
36

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)

2
3
3
3
3
2
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

7
7
7
6
6
8
10
12
12
14
15
15
15
15
13
11
10
9
9
8
7
7
6
6

Feels Like (°C)

6
5
6
6
7
9
10
12
12
13
14
15
15
15
13
11
10
9
9
8
8
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
85
85
77
71
66
62
55
51
46
46
46
52
55
59
61
63
65
69
70
72
75

Pressure (mb)

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

Ozone (du)

287
288
291
298
293
291
293
296
296
295
292
289
287
287
284
281
280
278
276
276
276
276
275
275

Friday 16

Waxing Crescent 31%

13:56

20:58

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

Sun - Rise: 07:26, Set: 18:08, Transit: 12:47. Moon - Rise: 13:56, Set: 20:58. Civil Dark: 18:41 - 06:53. Nautical Dark: 19:18 - 06:16. Astro Dark: 19:56 - 05:38

Total Clouds (% Sky Obscured)

51
56
57
63
64
64
65
46
30
10
7
4
0
0
0
0
42
50
54
60
62
54
48
42

Low Clouds (% Sky Obscured)

45
45
44
44
29
15
0
0
0
0
0
0
0
0
0
0
17
32
42
45
44
45
48
42

Medium Clouds (% Sky Obscured)

32
35
38
40
47
48
55
39
25
8
6
3
0
0
0
0
6
11
17
26
40
54
48
42

High Clouds (% Sky Obscured)

20
31
41
52
57
54
59
39
20
0
0
0
0
0
0
0
37
33
25
14
8
4
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
46
73
82
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0.6
0.6

Wind Speed/Direction (mph)

3
2
3
2
2
2
3
3
4
4
4
4
4
4
4
4
3
3
3
3
2
1
1
2

Chance of Frost

Temperature (°C)

5
5
5
5
5
7
9
10
12
13
14
14
15
14
12
11
9
11
11
10
10
10
10
10

Feels Like (°C)

5
5
5
5
6
7
8
10
11
12
13
13
14
13
12
10
9
11
11
10
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

75
78
79
79
78
70
61
54
48
45
43
42
42
46
53
56
58
60
62
64
67
68
69
70

Pressure (mb)

1027
1027
1027
1026
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1022
1023
1023
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

275
277
280
280
280
281
281
283
286
289
291
295
296
296
297
297
298
298
299
299
299
299
299
299

Saturday 17

Waxing Crescent 41%

14:38

22:01

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 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 18:06, Transit: 12:47. Moon - Rise: 14:38, Set: 22:01. Civil Dark: 18:39 - 06:55. Nautical Dark: 19:17 - 06:17. Astro Dark: 19:54 - 05:40

Total Clouds (% Sky Obscured)

35
36
41
51
67
82
98
97
96
96
97
98
99
87
67
44
45
51
62
70
77
86
82
80

Low Clouds (% Sky Obscured)

35
36
41
51
67
76
82
83
83
83
82
76
72
55
33
15
26
41
61
68
70
72
72
74

Medium Clouds (% Sky Obscured)

35
36
41
51
57
55
52
47
45
44
46
40
38
26
18
11
9
6
2
9
16
22
26
34

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
1
1
20
37
53
38
25
15
10
15
25
35
50
55
60
55

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

Light Rain
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

Precipitation Probability (%)

86
84
70
53
44
29
11
8
3
1
1
0
0
0
0
0
1
0
0
1
1
1
1
5

Precipitation Amount (mm)

0.4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
69
69
63
60
55
53
50
47
49
51
54
55
57
59
59
59
59
60
61
62
64

Pressure (mb)

1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030

Ozone (du)

299
299
299
299
299
298
298
298
296
295
293
291
289
286
285
284
283
284
284
285
286
287
288
289

Sunday 18

First Quarter 51%

15:09

23:10

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:29, Set: 18:04, Transit: 12:47. Moon - Rise: 15:09, Set: 23:10. Civil Dark: 18:37 - 06:57. Nautical Dark: 19:15 - 06:19. Astro Dark: 19:52 - 05:42

Total Clouds (% Sky Obscured)

74
72
71
71
78
87
96
90
85
79
69
60
51
46
41
35
33
31
29
33
41
47

Low Clouds (% Sky Obscured)

74
72
67
63
72
80
88
83
75
64
52
43
32
32
31
30
23
17
10
20
30
41

Medium Clouds (% Sky Obscured)

45
51
57
58
65
69
77
61
44
29
23
17
12
15
18
20
21
21
21
21
16
13

High Clouds (% Sky Obscured)

45
35
25
25
26
23
23
20
11
1
1
0
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
8
8
7
6
6
6
7
8

Fog (%)

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
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

1
5
5
3
7
11
10
10
10
4
9
9
5
17
23
27
39
47
51
36
30
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0

Wind Speed/Direction (mph)

5
6
6
6
6
8
9
10
9
8
7
8
9
9
9
8
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
74
79
88
85
82
80
72
65
58
58
57
57
64
73
82
84
82
82
81
79

Pressure (mb)

1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1031
1031
1030
1030
1030
1030

Ozone (du)

291
293
294
295
296
298
300
302
303
304
304
306
308
310
311
312
313
315
316
318
319
320

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

Generated: 12/10/26 04:22:28. Forecast: 12/10/26 to 18/10/26. Timezone: UTC+2.00