Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waning Crescent 28%

03:42

11:28

12 Bad
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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK

Sun - Rise: 07:45, Set: 16:41, Transit: 12:14. Moon - Rise: 03:42, Set: 11:28. Civil Dark: 17:17 - 07:09. Nautical Dark: 17:57 - 06:30. Astro Dark: 18:35 - 05:51

Total Clouds (% Sky Obscured)

92
94
92
88
75
55
71
64
56
19
100
65
68
35
100
100
100
100
100
97
100
100
75
47

Low Clouds (% Sky Obscured)

60
82
65
57
46
15
36
19
5
19
39
16
33
29
51
73
29
60
60
37
31
38
3
4

Medium Clouds (% Sky Obscured)

92
82
59
68
29
0
0
30
3
0
72
30
35
12
100
100
100
100
97
92
100
100
50
17

High Clouds (% Sky Obscured)

92
71
4
0
0
2
71
64
56
0
100
60
0
0
38
35
0
0
6
12
7
7
4
11

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 (%)

57
10
4
6
17
1
0
0
0
0
0
0
0
3
12
10
5
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
83
91
91
86
72
73
80
86
88
89
88
88
86
83
80
82
83
83
88
88
83
78

Pressure (mb)

1008
1008
1008
1010
1011
1013
1013
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1014
1014
1015
1015
1015
1016
1015

Ozone (du)

301
293
290
291
298
302
307
308
317
327
323
332
342
358
358
362
362
362
358
357
355
348
342
348

Friday 24

Waning Crescent 19%

04:54

12:02

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:44, Set: 16:43, Transit: 12:14. Moon - Rise: 04:54, Set: 12:02. Civil Dark: 17:19 - 07:08. Nautical Dark: 17:58 - 06:29. Astro Dark: 18:37 - 05:50

Total Clouds (% Sky Obscured)

84
100
100
100
99
96
100
100
100
100
100
96
100
100
100
100
100
99
97
97
99
97
96
89

Low Clouds (% Sky Obscured)

2
2
28
24
1
27
25
25
25
69
25
25
25
25
20
20
68
63
23
20
23
22
25
17

Medium Clouds (% Sky Obscured)

45
53
98
100
75
90
99
100
100
100
93
93
100
100
98
92
50
71
72
89
61
88
96
78

High Clouds (% Sky Obscured)

76
100
100
100
96
84
81
86
100
100
85
14
88
100
100
100
100
83
34
63
86
56
63
56

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
1
1
2
1
4
9
5
2
0
0
1
0
3
12
9
1

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
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
5
5
5
5
5
4
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
78
78
82
83
82
77
72
67
66
63
61
59
59
60
61
62
62
61
62
60
57

Pressure (mb)

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

Ozone (du)

347
339
333
329
327
324
319
316
316
320
319
317
317
312
309
306
303
304
306
306
295
289
287
284

Saturday 25

Waning Crescent 12%

06:00

12:02

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:42, Set: 16:45, Transit: 12:14. Moon - Rise: 06:00, Set: 12:02. Civil Dark: 17:20 - 07:07. Nautical Dark: 18:00 - 06:28. Astro Dark: 18:38 - 05:49

Total Clouds (% Sky Obscured)

69
57
85
95
96
95
90
87
78
96
91
93
100
97
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
0
0
0
0
0
0
0
21
8
22
60
67
75
78
86
89
88
87
76
65
62
70

Medium Clouds (% Sky Obscured)

68
20
73
81
69
49
36
28
20
33
88
92
74
89
92
32
27
27
39
99
75
57
55
52

High Clouds (% Sky Obscured)

11
57
26
80
80
80
80
75
75
75
75
80
100
91
100
100
86
99
75
80
92
100
100
100

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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
6
1
2
2
2
5
20
25
36
45
64
75

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
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
50
50
61
73
82
88
88
89
91
91
91
93
89
89
91
93
93
93
93
94
93
89
86

Pressure (mb)

1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

285
292
293
295
293
293
296
297
298
303
298
298
303
306
306
307
308
311
318
328
334
339
344
350

Sunday 26

Waning Crescent 6%

06:55

12:50

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:41, Set: 16:46, Transit: 12:14. Moon - Rise: 06:55, Set: 12:50. Civil Dark: 17:22 - 07:06. Nautical Dark: 18:01 - 06:27. Astro Dark: 18:39 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
91
83
74
75
76
74
77
81
87
74
54
43
54
58
75
96
100
75
80
77

Low Clouds (% Sky Obscured)

84
81
86
83
59
38
27
47
57
60
67
63
67
51
36
27
18
5
2
3
0
2
0
0

Medium Clouds (% Sky Obscured)

84
80
88
60
83
67
42
20
22
35
39
39
39
39
16
14
30
48
70
68
67
70
77
74

High Clouds (% Sky Obscured)

100
87
73
50
3
5
60
55
4
46
57
10
38
10
6
0
22
47
75
96
100
75
80
77

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

Precipitation Probability (%)

90
94
89
75
60
44
28
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.6
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
82
85
88
88
88
88
85
85
84
86
88
89
89
88
91
93
93
91
89
82
75

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009

Ozone (du)

355
361
365
369
370
372
377
383
390
391
398
400
400
402
403
405
400
395
395
387
370
358
351
349

Monday 27

Waning Crescent 2%

07:37

13:54

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:40, Set: 16:48, Transit: 12:15. Moon - Rise: 07:37, Set: 13:54. Civil Dark: 17:23 - 07:05. Nautical Dark: 18:03 - 06:25. Astro Dark: 18:41 - 05:47

Total Clouds (% Sky Obscured)

100
81
81
100
100
93
93
97
85
99
98
96
96
97
99
100
100
100
100
83
68
56
71
80

Low Clouds (% Sky Obscured)

0
0
0
2
51
45
25
25
26
27
20
13
6
29
52
76
80
82
85
61
37
13
23
34

Medium Clouds (% Sky Obscured)

72
66
63
51
65
72
73
61
72
90
83
94
37
58
77
99
92
87
82
69
54
46
47
42

High Clouds (% Sky Obscured)

100
78
73
100
100
85
93
87
59
72
68
51
73
85
93
100
92
88
87
83
68
56
71
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
1
1
8
13
19
16
15
14
13
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
63
72
82
79
80
80
83
86
86
86
88
91
89
89
88
88
88
89
88
85
83
85

Pressure (mb)

1008
1007
1006
1005
1005
1004
1004
1004
1003
1003
1003
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002

Ozone (du)

344
340
332
327
321
317
313
311
310
309
311
312
313
313
315
318
320
322
325
327
329
332
335
341

Tuesday 28

Waning Crescent 1%

08:07

15:11

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:38, Set: 16:50, Transit: 12:15. Moon - Rise: 08:07, Set: 15:11. Civil Dark: 17:25 - 07:03. Nautical Dark: 18:04 - 06:24. Astro Dark: 18:42 - 05:46

Total Clouds (% Sky Obscured)

93
95
97
100
100
100
99
93
86
82
71
57
42
52
65
78
73
71
65
65
68
68
68
69

Low Clouds (% Sky Obscured)

49
60
70
81
78
74
73
54
36
18
20
21
25
33
42
50
48
46
44
44
45
50
51
55

Medium Clouds (% Sky Obscured)

33
38
53
68
77
88
99
86
74
62
44
25
7
10
12
12
20
24
28
18
9
0
0
0

High Clouds (% Sky Obscured)

72
69
77
70
81
81
82
86
81
82
57
30
0
1
2
5
4
2
1
2
4
5
5
4

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 (%)

21
23
23
18
21
31
41
46
38
17
7
2
0
2
2
0
0
2
0
1
3
1
5
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
85
81
78
80
85
88
88
86
85
85
85
83
83
82
82
79
76
73
76
78
80
76

Pressure (mb)

1002
1002
1003
1003
1003
1004
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014

Ozone (du)

348
354
355
356
357
362
368
373
373
373
373
371
369
366
367
367
367
369
370
372
376
380
383
384

Wednesday 29

New Moon 0%

08:29

16:36

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: 07:37, Set: 16:51, Transit: 12:15. Moon - Rise: 08:29, Set: 16:36. Civil Dark: 17:27 - 07:02. Nautical Dark: 18:06 - 06:23. Astro Dark: 18:44 - 05:45

Total Clouds (% Sky Obscured)

72
74
74
76
75
74
73
70
67
62
73
84
98
96
95
93
96
98
100

Low Clouds (% Sky Obscured)

59
64
70
76
67
57
47
33
31
29
42
58
67
68
71
72
75
73
67

Medium Clouds (% Sky Obscured)

0
0
0
0
10
13
20
19
12
4
34
64
93
93
91
87
86
86
88

High Clouds (% Sky Obscured)

4
3
2
0
3
6
9
7
3
0
35
67
97
95
95
93
96
98
100

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 (%)

3
8
7
1
2
1
0
0
0
0
2
2
0
1
1
0
7
6
5

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)

11
11
9
7
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

6
7
6
6
6
5
5
3
3
3
3
3
3
3
2
2
2
2
2

Feels Like (°C)

1
1
2
2
2
2
2
2
1
1
2
1
1
0
-1
-1
-1
-1
-1

Dew Point (°C)

2
2
1
1
1
1
1
0
0
-0
0
-0
-1
-1
-1
-1
-2
-2
-2

Relative Humidity (%)

74
70
70
69
69
72
76
79
80
82
83
82
80
79
79
80
78
77
77

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

385
386
396
406
417
419
422
424
421
419
416
412
408
404
399
394
389
389
390

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

Generated: 23/01/25 12:02:30. Forecast: 23/01/25 to 29/01/25. Timezone: UTC+1.00