Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waning Crescent 40%

No Rise

13:53

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

Sun - Rise: 07:13, Set: 16:20, Transit: 11:46. Moon - Rise: No Rise, Set: 13:53. Civil Dark: 16:55 - 06:37. Nautical Dark: 17:34 - 05:58. Astro Dark: 18:12 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
97
86
78
43
53
62
100
100
85
84
72
86
82
81
75
99
40
34
16
82

Low Clouds (% Sky Obscured)

35
35
33
32
31
32
33
22
0
0
0
0
0
0
0
0
0
0
0
0
4
20
16
18

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)

100
100
100
100
96
85
78
35
53
62
100
100
84
80
71
86
82
79
70
99
37
29
6
75

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
2
6
13
20
23
24
20
14
5
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
4
4
4
4
4
4
3
3
5
5
4
3
4
5
5
6
5
5
5
4

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
5
7
9
11
12
13
13
12
10
9
8
7
6
6
5

Feels Like (°C)

2
2
2
1
1
1
1
0
1
2
4
6
8
9
11
11
9
7
7
5
4
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
79
77
76
73
73
69
63
57
53
49
48
51
56
61
62
66
66
69
71
71
71

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017

Ozone (du)

263
262
262
262
260
259
259
258
258
258
258
258
257
259
260
262
262
262
261
261
262
262
263
263

Friday 14

Waning Crescent 30%

00:51

14:05

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

Sun - Rise: 07:14, Set: 16:18, Transit: 11:46. Moon - Rise: 00:51, Set: 14:05. Civil Dark: 16:54 - 06:39. Nautical Dark: 17:33 - 05:59. Astro Dark: 18:11 - 05:21

Total Clouds (% Sky Obscured)

79
98
53
43
61
33
27
37
34
84
47
84
73
85
45
28
25
23
68
63
90
97
60
95

Low Clouds (% Sky Obscured)

26
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
33
42
46

Medium Clouds (% Sky Obscured)

11
68
37
43
36
29
24
25
22
29
39
33
22
10
7
18
18
14
12
12
20
10
3
23

High Clouds (% Sky Obscured)

66
76
34
12
45
16
5
19
14
65
24
65
60
78
41
15
10
8
68
63
83
95
42
85

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

Chance of Frost

Temperature (°C)

5
4
4
5
5
5
4
4
4
5
7
9
10
11
12
12
10
9
8
7
7
6
6
6

Feels Like (°C)

3
2
2
3
4
3
3
3
3
4
5
8
8
10
10
12
10
8
7
5
5
4
3
5

Dew Point (°C)

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

Relative Humidity (%)

70
68
67
66
65
63
62
62
60
57
52
48
46
45
47
53
59
63
68
73
75
76
76
80

Pressure (mb)

1017
1017
1017
1016
1016
1015
1016
1015
1016
1015
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

263
263
264
263
265
265
266
266
267
269
270
269
268
268
269
269
269
270
271
271
272
273
275
276

Saturday 15

Waning Crescent 21%

02:03

14:17

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:16, Set: 16:17, Transit: 11:46. Moon - Rise: 02:03, Set: 14:17. Civil Dark: 16:53 - 06:40. Nautical Dark: 17:32 - 06:01. Astro Dark: 18:10 - 05:23

Total Clouds (% Sky Obscured)

90
96
97
97
95
99
100
58
100
100
100
98
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
62
66
55
54
58
59
58
55
61
74
79
83
85
90
88
89
89
87
88
89
90
87
83

Medium Clouds (% Sky Obscured)

30
47
25
30
33
28
39
43
92
90
85
87
100
98
95
98
97
98
100
99
98
98
87
77

High Clouds (% Sky Obscured)

76
80
80
89
87
94
92
10
90
100
100
64
100
96
90
96
100
100
100
99
98
97
97
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
8
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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
45
51
46
47
51
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
76
76
78
80
85
88
90
85
85
82
81
79
79
78
81
82
84
88
88
90
91
93

Pressure (mb)

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

Ozone (du)

275
274
275
276
276
278
279
280
280
282
284
287
290
290
290
291
291
292
293
292
293
293
292
291

Sunday 16

Waning Crescent 14%

03:12

14:28

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:18, Set: 16:16, Transit: 11:47. Moon - Rise: 03:12, Set: 14:28. Civil Dark: 16:51 - 06:42. Nautical Dark: 17:31 - 06:02. Astro Dark: 18:09 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
95
90
85
85
84
84
86
91
96
97
99
100
97
97
95
95
98
100
100
100

Low Clouds (% Sky Obscured)

80
80
77
77
69
61
54
49
46
46
43
40
30
27
29
36
33
38
45
40
41
44
56
68

Medium Clouds (% Sky Obscured)

62
70
78
87
83
63
65
29
29
34
29
26
22
38
53
69
64
67
84
68
65
93
94
96

High Clouds (% Sky Obscured)

100
100
100
99
83
67
60
41
25
11
18
34
48
50
55
55
48
37
13
37
54
75
99
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
5
5
3

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

42
48
46
28
14
14
19
15
12
5
5
3
0
0
0
0
5
7
10
23
34
63
66
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
90
90
90
90
90
90
88
87
85
84
83
84
84
87
88
88
90
90
90
93
94

Pressure (mb)

1014
1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

289
288
287
286
285
283
282
282
282
284
286
287
288
287
289
291
294
294
294
295
297
299
302
306

Monday 17

Waning Crescent 8%

04:22

14:41

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:19, Set: 16:15, Transit: 11:47. Moon - Rise: 04:22, Set: 14:41. Civil Dark: 16:50 - 06:43. Nautical Dark: 17:30 - 06:04. Astro Dark: 18:08 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
98
99
99
98
97
95
81
67
55
64
71

Low Clouds (% Sky Obscured)

81
77
74
73
76
74
36
42
93
97
57
88
94
88
81
76
74
75
74
66
59
51
59
67

Medium Clouds (% Sky Obscured)

95
99
99
100
100
100
100
90
84
75
86
82
66
71
74
80
78
72
63
51
38
20
22
22

High Clouds (% Sky Obscured)

100
100
100
90
100
100
100
76
56
43
53
57
31
33
33
32
21
13
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
4
0
4
9
9
9
9
9
9
9
9
8
9
8
7
7
5
2
0
3
6
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

64
92
76
51
36
17
9
6
6
12
24
41
36
62
71
75
73
64
48
40
31
18
17
15

Precipitation Amount (mm)

0.4
1.1
0.6
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.2
0.1
0
0
0
0

Wind Speed/Direction (mph)

6
7
6
5
4
5
5
5
5
7
8
9
11
12
12
12
13
11
10
9
9
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
6
4
3
2
2
3
3
3
1
-1
-1
-2
-2
-1
-1
-0
1
1
-0
-2
-3
-3

Relative Humidity (%)

93
90
94
85
78
75
75
76
76
78
70
61
59
55
61
68
75
80
88
94
86
78
73
74

Pressure (mb)

1006
1006
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015

Ozone (du)

313
313
312
311
311
309
304
298
294
296
300
305
308
310
314
318
323
326
330
334
331
328
326
321

Tuesday 18

Waning Crescent 3%

05:33

14:56

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 07:21, Set: 16:13, Transit: 11:47. Moon - Rise: 05:33, Set: 14:56. Civil Dark: 16:49 - 06:45. Nautical Dark: 17:29 - 06:05. Astro Dark: 18:07 - 05:27

Total Clouds (% Sky Obscured)

80
78
77
79
61
46
29
29
26
28
37
44
51
61
71
81
77
72
62
58
59
55
64
76

Low Clouds (% Sky Obscured)

74
75
77
78
61
46
29
29
26
28
37
44
51
60
67
76
68
59
50
41
31
25
28
36

Medium Clouds (% Sky Obscured)

18
10
6
3
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
3
10
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
11
9
6
3
4
5
7
27
49

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 (%)

15
18
20
22
18
13
4
4
3
1
5
4
2
5
5
2
7
7
7
5
2
0
1
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
10
9
9
10
9
8
8
8
9
10
10
10
10
10
9
8
7
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
77
77
78
78
80
78
71
66
62
64
67
68
73
80
85
85
85
83
81
80
78
78

Pressure (mb)

1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

317
313
306
299
292
293
293
294
298
302
306
305
304
303
300
296
293
291
289
286
289
291
293
297

Wednesday 19

Waning Crescent 1%

06:44

15:15

Sun - Rise: 07:22, Set: 16:12, Transit: 11:47. Moon - Rise: 06:44, Set: 15:15. Civil Dark: 16:48 - 06:46. Nautical Dark: 17:28 - 06:06. Astro Dark: 18:07 - 05:28

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: 13/11/25 00:49:16. Forecast: 13/11/25 to 19/11/25. Timezone: UTC+1.00