Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 16

Waning Crescent 8%

04:22

14:28

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 16:15, Transit: 11:46. Moon - Rise: 04:22, Set: 14:28. Civil Dark: 16:51 - 06:43. Nautical Dark: 17:31 - 06:03. Astro Dark: 18:09 - 05:25

Total Clouds (% Sky Obscured)

84
72
68
100
100
100
100
100
100
100
95
100
100
100
75
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
39
42
41
29
8
0
5
4
8
2
1
12
39
53
71
100
100
100
100
95
91
93
50

Medium Clouds (% Sky Obscured)

3
0
0
0
49
24
82
100
60
49
52
20
22
21
50
97
96
98
98
100
100
98
100
100

High Clouds (% Sky Obscured)

31
43
68
100
100
100
100
100
96
100
88
100
100
100
53
100
100
100
72
73
69
100
87
95

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
7
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
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
9
21
13
4
3
5
6
9
16
39
51
58
62
77
83
62
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
4
4
3
4
5
5
5
4
4
4
5
4
4
4
4
4
7
9
10
12
9
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
9
11
10
10
8
7
6
6
6
6
6
6
5
5
6
5
5
4
3
1
-1
-2
0

Dew Point (°C)

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

Relative Humidity (%)

75
71
68
68
75
83
85
88
88
88
90
88
90
90
88
90
90
91
91
86
86
89
91
88

Pressure (mb)

1009
1008
1007
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004
1004
1003
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

294
293
292
291
290
288
288
291
294
293
293
292
292
291
290
291
290
290
290
291
292
292
292
291

Monday 17

Waning Crescent 3%

05:32

14:40

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

Sun - Rise: 07:21, Set: 16:14, Transit: 11:47. Moon - Rise: 05:32, Set: 14:40. Civil Dark: 16:50 - 06:45. Nautical Dark: 17:30 - 06:05. Astro Dark: 18:08 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
96
100
91
97
98
89
83
68
29
65
42
65
58
79
82
84
82
78
89
77

Low Clouds (% Sky Obscured)

60
81
96
86
76
83
79
81
57
76
73
66
28
12
10
43
58
77
76
75
75
74
70
64

Medium Clouds (% Sky Obscured)

100
100
99
100
81
64
71
69
91
30
2
0
1
45
27
44
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

98
100
80
43
31
95
11
11
0
0
0
0
0
0
0
0
0
0
0
0
0
16
75
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
10
8
34
42
48
48
33
29
17
20
8
3
3
3
3
2
1
5
3
2
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
76
67
70
74
79
78
85
80
80
77
73
70
72
71
71
69
70
71
74
70
66
65
69

Pressure (mb)

1005
1005
1005
1006
1007
1008
1009
1011
1012
1013
1014
1015
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

293
296
297
297
294
291
291
295
300
306
314
310
305
300
298
298
296
295
294
292
289
289
291
294

Tuesday 18

Waning Crescent 1%

06:44

14:55

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

Sun - Rise: 07:22, Set: 16:13, Transit: 11:47. Moon - Rise: 06:44, Set: 14:55. Civil Dark: 16:49 - 06:46. Nautical Dark: 17:29 - 06:06. Astro Dark: 18:07 - 05:28

Total Clouds (% Sky Obscured)

53
53
69
65
70
71
71
16
11
7
41
52
78
91
82
96
99
83
24
23
19
54
40
29

Low Clouds (% Sky Obscured)

50
39
60
43
47
51
41
5
2
2
3
2
19
31
38
42
47
36
3
4
2
2
2
2

Medium Clouds (% Sky Obscured)

14
34
20
1
14
11
42
5
4
2
19
28
39
39
37
50
70
36
20
22
17
11
8
5

High Clouds (% Sky Obscured)

53
53
69
10
0
7
13
4
0
0
14
24
34
30
15
28
27
4
0
0
2
37
23
12

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
1
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)

10
9
8
8
7
7
7
6
6
5
5
5
5
4
4
4
5
5
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
64
64
62
63
71
77
78
77
77
77
77
78
77
74
74
74
78
81
83
83
74
68

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

297
295
295
290
285
282
281
283
284
283
286
290
294
297
295
293
287
285
284
282
282
282
281
281

Wednesday 19

Waning Crescent 1%

07:55

15:14

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

Sun - Rise: 07:24, Set: 16:12, Transit: 11:47. Moon - Rise: 07:55, Set: 15:14. Civil Dark: 16:48 - 06:47. Nautical Dark: 17:28 - 06:08. Astro Dark: 18:06 - 05:29

Total Clouds (% Sky Obscured)

8
6
4
6
14
18
55
55
52
32
18
16
15
17
22
31
56
70
85
99
99
100
100
100

Low Clouds (% Sky Obscured)

2
1
1
2
2
1
1
0
0
0
1
3
6
8
6
6
3
20
45
58
45
37
56
51

Medium Clouds (% Sky Obscured)

2
0
0
2
8
14
45
40
48
30
15
12
7
6
16
27
50
68
81
94
97
99
100
99

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
2
2
2
4
6
4
2
0
1
25
15
15
15
10
25

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
2
3
2
1
0
4
5
5
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
55
51
51
56
63
66
69
73
75
78
81
83
84
84
84
83
78
77
74
71
68
64
60

Pressure (mb)

1011
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

280
278
278
276
275
277
276
278
282
286
283
282
284
286
288
292
295
296
296
299
310
324
331
334

Thursday 20

New Moon 0%

09:03

15:39

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:25, Set: 16:11, Transit: 11:47. Moon - Rise: 09:03, Set: 15:39. Civil Dark: 16:47 - 06:49. Nautical Dark: 17:27 - 06:09. Astro Dark: 18:05 - 05:30

Total Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
52
46
49
50
37
47
34
47
47
34
46
39
4
15
23
30
44
60
75
80
84
86
84

Medium Clouds (% Sky Obscured)

97
96
93
89
86
91
96
59
55
99
97
100
100
96
98
99
99
99
99
99
81
61
42
47

High Clouds (% Sky Obscured)

40
57
62
71
92
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
96
94
95
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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 (%)

8
8
6
4
4
1
1
0
2
2
0
0
0
1
4
3
1
8
9
7
12
13
11
14

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)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
2
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
57
60
66
77
89
93
93
86
86
88
86
89
91
93
93
93
93
91
89
86
85
82

Pressure (mb)

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

Ozone (du)

333
330
323
318
319
321
321
320
319
319
320
322
324
323
323
323
322
322
322
323
323
322
322
321

Friday 21

Waxing Crescent 2%

10:05

16:12

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:27, Set: 16:10, Transit: 11:47. Moon - Rise: 10:05, Set: 16:12. Civil Dark: 16:46 - 06:50. Nautical Dark: 17:26 - 06:10. Astro Dark: 18:05 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
90
84
76
62

Low Clouds (% Sky Obscured)

82
81
69
55
46
54
60
70
77
81
84
84
84
84
81
77
73
72
69
66
61
56
52
52

Medium Clouds (% Sky Obscured)

49
49
66
83
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
95
84
74
63
49

High Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
83
66
50
58
67
77
83
92
100
73
46
19
41
60
75
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
10
21
24
25
32
39
44
42
42
43
37
32
26
22
18
8
11
10
4
4
3
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
8
8
7
7
7
7
7
8
9
8
8
8
8
7
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
72
67
65
64
63
65
68
69
70
74
76
75
78
80
80
80
80
78
77
77
73
69
64

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022

Ozone (du)

319
316
314
314
315
316
314
313
311
312
313
314
314
315
315
317
319
321
325
328
331
330
329
328

Saturday 22

Waxing Crescent 5%

10:55

16:57

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

Sun - Rise: 07:28, Set: 16:09, Transit: 11:48. Moon - Rise: 10:55, Set: 16:57. Civil Dark: 16:45 - 06:52. Nautical Dark: 17:25 - 06:11. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

57
51
45
47
49
29
25
20
15
9
3
7
7
10
9
8
8
10
13
12

Low Clouds (% Sky Obscured)

52
50
42
29
19
15
13
11
7
4
0
5
7
10
9
8
8
10
12
12

Medium Clouds (% Sky Obscured)

39
25
27
30
39
29
23
16
13
9
3
3
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
16
12
7
2
2
1
0
0
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
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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

63
59
57
59
63
65
67
70
72
74
75
75
77
78
79
79
81
82
82
84

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

322
317
311
310
308
306
304
301
298
296
295
293
290
287
285
287
289
291
295
300

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

Generated: 16/11/25 11:03:43. Forecast: 16/11/25 to 22/11/25. Timezone: UTC+1.00