Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waxing Gibbous 98%

14:24

07:22

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: 07:43, Set: 16:01, Transit: 11:52. Moon - Rise: 14:24, Set: 07:22. Civil Dark: 16:38 - 07:06. Nautical Dark: 17:20 - 06:24. Astro Dark: 17:59 - 05:45

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
99
100
100
99
99
100
100
98
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
98
100
100
99
99
100
100
98
97
97
99
97
99
98
100

Medium Clouds (% Sky Obscured)

35
31
21
2
5
20
0
3
24
0
0
0
0
0
0
0
0
0
0
35
49
55
24
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
4
3
3
3
1
2
6
31
100
69
100
99
91
81

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

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

Chance of Frost

Temperature (°C)

2
2
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
76
77
80
82
83
85
85
82
83
85
85
85
86
86
88
89
91
91
91
89
85
77

Pressure (mb)

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

Ozone (du)

264
262
263
263
261
260
258
257
258
261
263
265
268
268
269
272
276
278
280
281
284
288
289
290

Thursday 4

Waxing Gibbous 100%

15:00

08:48

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: 07:45, Set: 16:00, Transit: 11:52. Moon - Rise: 15:00, Set: 08:48. Civil Dark: 16:38 - 07:07. Nautical Dark: 17:19 - 06:26. Astro Dark: 17:58 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
95
92
94
93
97
100
100
98
97

Medium Clouds (% Sky Obscured)

0
0
9
28
59
65
93
68
73
81
100
100
100
100
100
98
93
93
92
90
81
78
73
55

High Clouds (% Sky Obscured)

81
100
100
100
100
100
86
89
94
89
100
100
100
100
90
100
72
48
28
45
36
88
100
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
5
5
7
6
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
1
0
0

Precipitation Type

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

Precipitation Probability (%)

7
7
8
8
11
15
19
10
8
4
2
10
63
95
95
95
85
69
54
36
27
19
20
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
1
0.9
0.7
0.6
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
4
4
4
4
4
5
5
5
5
5
4
4
4
4
4
4
4

Feels Like (°C)

1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
2
2
2
2
2
1
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

75
73
75
82
88
89
93
93
91
93
91
93
91
93
96
96
96
98
98
94
94
93
91
88

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1010
1009
1009
1010
1010
1010
1011
1012
1013
1013

Ozone (du)

293
296
296
297
298
298
296
297
298
299
299
299
299
299
299
299
299
299
298
295
294
293
293
296

Friday 5

Full Moon 98%

15:53

09:57

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: 07:46, Set: 16:00, Transit: 11:53. Moon - Rise: 15:53, Set: 09:57. Civil Dark: 16:38 - 07:08. Nautical Dark: 17:19 - 06:27. Astro Dark: 17:58 - 05:47

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
100
100
88
72
62
68
100
96
97
97
98
90
100
100
100

Low Clouds (% Sky Obscured)

93
87
83
80
79
95
93
86
80
73
53
40
36
58
62
74
77
60
44
42
39
36
35
37

Medium Clouds (% Sky Obscured)

62
60
67
55
54
49
64
33
22
8
20
35
6
5
4
0
0
0
0
0
0
0
15
24

High Clouds (% Sky Obscured)

42
93
50
99
87
100
100
97
100
100
100
84
69
4
1
100
92
94
92
93
85
100
99
98

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 (%)

28
25
14
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
79
82
83
85
85
85
86
85
85
88
88
86
81
78
77
78
80
81
84
81
77
73

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

301
306
310
312
315
317
316
315
316
319
324
327
329
331
334
330
326
330
336
335
330
317
312
307

Saturday 6

Waning Gibbous 94%

17:05

10:45

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: 07:47, Set: 16:00, Transit: 11:53. Moon - Rise: 17:05, Set: 10:45. Civil Dark: 16:38 - 07:09. Nautical Dark: 17:19 - 06:28. Astro Dark: 17:58 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
92
100
100
100
100
100
100
98
96
77
59
69
58
70
81
93
89
93
98
91
79

Low Clouds (% Sky Obscured)

35
44
53
72
82
71
63
62
48
68
57
48
4
7
42
50
55
61
74
63
61
61
55
43

Medium Clouds (% Sky Obscured)

44
53
56
61
41
26
9
6
14
25
16
24
40
37
35
33
62
67
72
74
81
85
80
71

High Clouds (% Sky Obscured)

97
98
99
92
100
100
100
100
100
100
94
82
60
34
22
2
27
27
7
25
43
64
45
21

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
8
11
13
12
10
3
2
1
0
1
1
0
1
2
2
6
6
3
9
9
11
8
5

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
4
4
4
4
4
4
4
4
4
4
3
4
4
4
3
4
4
4
5
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
70
75
77
75
72
73
73
76
75
76
79
83
85
86
85
85
85
85
88
88
86
79

Pressure (mb)

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

Ozone (du)

302
297
296
296
296
296
295
295
295
294
295
295
294
294
297
297
297
294
294
296
298
297
297
292

Sunday 7

Waning Gibbous 86%

18:29

11:18

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: 07:48, Set: 15:59, Transit: 11:54. Moon - Rise: 18:29, Set: 11:18. Civil Dark: 16:37 - 07:10. Nautical Dark: 17:19 - 06:29. Astro Dark: 17:58 - 05:49

Total Clouds (% Sky Obscured)

85
82
79
77
73
72
67
80
90
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
61
67
71
37
17
10
17
22
61
54
73
72
78
87
93
96
97
99
92
83
73
78
84

Medium Clouds (% Sky Obscured)

58
50
48
44
61
59
61
68
72
76
60
88
93
94
97
99
98
98
97
94
90
86
83
80

High Clouds (% Sky Obscured)

0
13
26
32
27
22
18
45
73
97
89
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

1
3
3
1
2
0
0
0
0
3
30
41
13
43
62
75
92
95
86
65
50
42
43
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.6
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
70
70
77
82
87
86
88
88
85
85
84
81
81
84
85
84
84
83
83
84
83
81

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1015

Ozone (du)

286
283
282
281
282
281
278
277
277
275
274
273
271
270
271
272
272
275
277
279
281
282
284
284

Monday 8

Waning Gibbous 77%

19:55

11:41

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: 07:49, Set: 15:59, Transit: 11:54. Moon - Rise: 19:55, Set: 11:41. Civil Dark: 16:37 - 07:11. Nautical Dark: 17:19 - 06:29. Astro Dark: 17:58 - 05:50

Total Clouds (% Sky Obscured)

100
99
98
97
98
99
100
100
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
76
67
50
49
54
53
49
51
51
48
50
55
66
74
81
78
75
71
58
45
30
31
31

Medium Clouds (% Sky Obscured)

80
78
75
74
70
69
67
66
64
61
65
70
75
82
88
96
93
89
86
91
95
99
93
89

High Clouds (% Sky Obscured)

100
95
90
84
71
59
46
58
71
83
82
81
80
87
93
100
100
100
100
79
60
43
70
90

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
27
24
18
18
22
29
27
23
9
15
17
12
29
38
46
52
55
57
51
41
24
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

7
8
8
8
8
7
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
7

Dew Point (°C)

9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9

Relative Humidity (%)

81
79
79
79
80
81
86
88
87
85
84
84
84
84
83
83
83
84
84
85
84
84
83
84

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017

Ozone (du)

284
283
284
284
284
284
284
284
283
283
283
281
279
278
283
287
292
295
298
300
300
299
298
300

Tuesday 9

Waning Gibbous 67%

21:19

11:58

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: 07:50, Set: 15:59, Transit: 11:54. Moon - Rise: 21:19, Set: 11:58. Civil Dark: 16:37 - 07:12. Nautical Dark: 17:19 - 06:30. Astro Dark: 17:58 - 05:51

Total Clouds (% Sky Obscured)

100
85
67
46
70
74
77
76
74
76
83
92
97
98
99
100
93
78
68

Low Clouds (% Sky Obscured)

36
32
43
46
65
69
71
67
62
56
64
70
75
67
52
34
40
53
58

Medium Clouds (% Sky Obscured)

84
61
36
9
7
5
3
4
5
7
22
38
53
34
18
5
9
14
18

High Clouds (% Sky Obscured)

100
85
67
27
16
11
0
0
0
0
0
0
9
39
69
97
68
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

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 (%)

19
20
17
13
14
12
4
6
6
5
5
5
4
8
8
9
9
9
10

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
10
8
7
7
6
6
6
5
6
5
5
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
8
7
7
7
7
7
8
8
8
8
8
8
8

Relative Humidity (%)

84
86
86
85
85
87
88
90
91
91
91
91
91
91
93
93
93
93
93

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

302
304
305
306
308
306
304
303
301
299
298
295
293
290
289
289
288
288
288

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 03/12/25 12:36:20. Forecast: 03/12/25 to 09/12/25. Timezone: UTC+1.00