Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 0%

07:55

15:39

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:24, Set: 16:11, Transit: 11:48. Moon - Rise: 07:55, Set: 15:39. Civil Dark: 16:47 - 06:48. Nautical Dark: 17:27 - 06:08. Astro Dark: 18:06 - 05:29

Total Clouds (% Sky Obscured)

90
92
94
95
100
100
100
99
100
100
100
100
100
100
96
94
93
97
88
82
100
93
91
99

Low Clouds (% Sky Obscured)

1
42
59
36
27
46
15
49
40
44
54
71
82
63
73
82
77
54
49
45
44
47
32
33

Medium Clouds (% Sky Obscured)

90
92
94
95
100
100
100
96
100
100
100
100
100
100
86
78
59
66
57
64
100
72
63
95

High Clouds (% Sky Obscured)

90
92
93
68
80
75
70
0
0
0
8
0
0
0
0
0
1
22
71
71
78
32
73
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
4
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
14
11
2
0
0
1
7
5
13
31
32
18
21
7
1
0
1
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
5
6
6
7
9
11
11
11
10
10
9
7
7
5
5
4
4
3
4
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
75
74
73
67
69
70
70
69
67
68
71
73
79
93
86
81
83
76
70
74
75
77

Pressure (mb)

1006
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1008
1008
1009
1011
1012
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

287
293
298
300
302
307
318
327
325
320
317
315
318
321
321
320
317
318
324
328
325
320
320
317

Friday 21

Waxing Crescent 2%

09:03

16:13

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK

Sun - Rise: 07:25, Set: 16:10, Transit: 11:48. Moon - Rise: 09:03, Set: 16:13. Civil Dark: 16:46 - 06:49. Nautical Dark: 17:26 - 06:09. Astro Dark: 18:05 - 05:31

Total Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
100
100
100
100
95
95
100
100
98
94
76
74
69
59
30

Low Clouds (% Sky Obscured)

13
2
2
2
11
20
13
15
22
30
25
22
27
29
29
23
19
28
30
27
30
30
32
30

Medium Clouds (% Sky Obscured)

87
96
100
100
100
100
100
100
100
100
100
100
100
86
88
100
100
96
89
65
54
40
17
2

High Clouds (% Sky Obscured)

80
80
80
80
80
75
70
65
65
9
3
5
25
35
70
75
72
70
70
62
57
4
36
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-6
-6
-5
-6
-5
-5
-6
-6
-5
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-7
-6

Dew Point (°C)

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

Relative Humidity (%)

75
77
77
75
76
74
68
62
58
54
51
50
48
50
54
58
61
62
62
63
63
64
65
71

Pressure (mb)

1016
1016
1016
1016
1017
1017
1018
1019
1019
1020
1020
1020
1020
1021
1021
1022
1023
1024
1025
1025
1026
1026
1026
1026

Ozone (du)

315
318
321
320
320
319
319
318
319
320
318
317
317
319
321
326
329
330
329
330
332
335
336
340

Saturday 22

Waxing Crescent 5%

10:04

16:58

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

Sun - Rise: 07:27, Set: 16:09, Transit: 11:48. Moon - Rise: 10:04, Set: 16:58. Civil Dark: 16:46 - 06:50. Nautical Dark: 17:26 - 06:10. Astro Dark: 18:04 - 05:32

Total Clouds (% Sky Obscured)

71
66
51
65
60
55
55
60
14
6
6
3
3
6
13
5
1
0
3
4
9
18
30
30

Low Clouds (% Sky Obscured)

29
20
7
2
2
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
20
19
45
55
55
55
60
12
3
0
0
0
0
0
0
0
0
0
0
9
18
30
30

High Clouds (% Sky Obscured)

4
0
0
4
3
3
0
0
0
0
4
0
0
5
13
4
1
0
3
4
0
0
3
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-8
-9
-8
-7
-7
-8
-7
-8
-8
-8
-7
-8
-8
-9
-9
-10
-10
-10
-10

Relative Humidity (%)

72
72
73
75
75
75
73
69
66
62
58
56
54
55
60
63
64
63
64
64
65
64
64
64

Pressure (mb)

1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1028
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

342
346
349
349
349
349
348
346
347
347
339
336
333
330
327
325
325
325
323
323
321
321
319
319

Sunday 23

Waxing Crescent 10%

10:55

17:55

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

Sun - Rise: 07:28, Set: 16:08, Transit: 11:48. Moon - Rise: 10:55, Set: 17:55. Civil Dark: 16:45 - 06:52. Nautical Dark: 17:25 - 06:12. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

24
20
18
12
11
24
79
52
39
26
10
8
3
0
1
2
6
23
43
56
51
56
76
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
2
1
0
0
0
0
22

Medium Clouds (% Sky Obscured)

24
17
14
10
7
14
21
33
22
12
0
0
0
0
0
0
0
9
17
26
41
53
65
82

High Clouds (% Sky Obscured)

9
17
12
7
5
20
73
47
33
22
10
8
3
0
0
0
1
9
23
30
28
36
52
54

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-12
-11
-10
-11
-11
-11
-11
-10
-11
-11
-12
-11

Relative Humidity (%)

64
64
64
63
62
63
61
57
52
49
45
43
42
44
50
53
55
57
59
60
59
59
58
58

Pressure (mb)

1023
1022
1022
1021
1020
1020
1020
1019
1018
1017
1016
1015
1014
1013
1013
1012
1012
1012
1012
1011
1011
1010
1009
1008

Ozone (du)

318
319
320
318
313
306
305
301
298
298
297
295
295
297
294
290
285
284
285
289
290
287
286
285

Monday 24

Waxing Crescent 16%

11:34

19:02

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:30, Set: 16:07, Transit: 11:49. Moon - Rise: 11:34, Set: 19:02. Civil Dark: 16:44 - 06:53. Nautical Dark: 17:24 - 06:13. Astro Dark: 18:03 - 05:34

Total Clouds (% Sky Obscured)

84
95
99
99
98
99
99
100
99
99
98
99
100
100
98
96
93
90
86
81
82
87
89
93

Low Clouds (% Sky Obscured)

43
83
90
89
83
81
77
88
84
83
75
75
75
73
78
77
79
72
66
59
64
68
76
72

Medium Clouds (% Sky Obscured)

70
73
81
88
95
84
96
100
79
73
41
54
65
78
67
57
45
53
64
72
75
80
87
92

High Clouds (% Sky Obscured)

23
11
14
29
41
63
83
100
85
73
73
83
88
93
87
66
40
25
20
20
10
5
35
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
5
1
4
8
8
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
7
5
3
16
18
7
7
6
2
5
5
1
4
6
5
11
9
5
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-11
-12
-12
-12
-11
-6
-4
-4
-3
-4
-3
-4
-4
-3
-3
-3
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

55
55
54
51
51
49
51
74
81
81
81
74
75
75
78
78
78
78
77
77
77
77
77
77

Pressure (mb)

1008
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

286
285
283
282
283
285
287
290
293
293
295
295
293
291
290
291
293
295
293
292
291
292
293
294

Tuesday 25

Waxing Crescent 24%

12:03

20:15

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:31, Set: 16:07, Transit: 11:49. Moon - Rise: 12:03, Set: 20:15. Civil Dark: 16:43 - 06:55. Nautical Dark: 17:24 - 06:14. Astro Dark: 18:02 - 05:35

Total Clouds (% Sky Obscured)

96
97
98
99
100
92
85
71
79
89
100
96
91
87
93
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
62
62
62
65
64
58
47
38
26
21
22
28
34
46
58
71
74
79
85
86
86
87
89

Medium Clouds (% Sky Obscured)

94
95
97
99
100
92
77
70
77
80
86
90
91
87
93
97
100
100
100
100
99
99
99
99

High Clouds (% Sky Obscured)

41
52
37
28
20
15
20
15
43
70
100
86
72
61
74
87
100
100
100
100
99
94
92
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
3
0
2
3
5
5
5
5
4
4
4
6
7
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
Snow
Snow

Precipitation Probability (%)

17
8
29
26
11
32
36
27
32
30
22
28
30
24
21
20
16
13
10
5
32
42
46
68

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
0.1
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
78
77
77
80
84
89
86
83
79
81
84
88
88
88
86
84
84
83
83
84
86

Pressure (mb)

1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1011
1012

Ozone (du)

298
301
304
305
306
308
308
308
309
309
310
311
311
310
310
309
308
307
308
309
310
311
311
312

Wednesday 26

Waxing Crescent 34%

12:25

21:31

Sun - Rise: 07:33, Set: 16:06, Transit: 11:49. Moon - Rise: 12:25, Set: 21:31. Civil Dark: 16:43 - 06:56. Nautical Dark: 17:23 - 06:15. Astro Dark: 18:02 - 05:37

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 20/11/25 02:56:41. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+1.00