Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 7%

10:34

19:38

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: 06:30, Set: 19:14, Transit: 12:51. Moon - Rise: 10:34, Set: 19:38. Civil Dark: 19:47 - 05:58. Nautical Dark: 20:26 - 05:18. Astro Dark: 21:08 - 04:37

Total Clouds (% Sky Obscured)

88
92
83
98
86
76
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
95
90

Low Clouds (% Sky Obscured)

41
61
61
71
74
64
74
89
91
78
93
96
89
87
86
94
92
91
94
81
83
90
87
65

Medium Clouds (% Sky Obscured)

76
71
72
73
41
49
31
100
96
90
94
88
96
92
99
98
94
100
100
100
78
85
75
76

High Clouds (% Sky Obscured)

79
35
27
40
57
23
100
86
100
100
89
74
62
100
100
87
92
91
93
47
60
79
5
2

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
0
1
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

17
28
17
14
3
2
8
19
6
8
14
13
13
30
44
55
67
73
81
70
48
51
54
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
17
17
16
15
15
14
14
14
14
14
14
13
13
13
13
13
14
15
16

Feels Like (°C)

15
15
16
15
15
16
15
14
14
14
14
14
14
14
14
13
14
14
14
14
14
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

65
67
81
73
79
71
71
78
86
87
90
90
93
92
93
96
98
98
100
98
98
96
90
93

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022

Ozone (du)

306
305
306
305
305
304
303
302
302
302
301
300
300
301
301
301
300
300
302
304
306
310
313
314

Monday 14

Waxing Crescent 13%

No Rise

19:55

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: 06:32, Set: 19:12, Transit: 12:51. Moon - Rise: No Rise, Set: 19:55. Civil Dark: 19:44 - 05:59. Nautical Dark: 20:24 - 05:20. Astro Dark: 21:05 - 04:39

Total Clouds (% Sky Obscured)

90
70
76
94
91
85
63
76
86
72
83
76
68
74
88
85
89
81
56
77
70
58
50
60

Low Clouds (% Sky Obscured)

70
67
60
69
68
68
34
51
56
63
69
70
59
52
52
45
47
33
48
73
70
58
34
31

Medium Clouds (% Sky Obscured)

41
26
25
35
28
22
19
6
6
6
24
4
15
9
2
5
48
44
20
25
20
12
35
5

High Clouds (% Sky Obscured)

3
5
16
31
48
46
27
41
61
11
28
12
4
28
57
48
59
17
5
7
4
4
2
21

ISS Passover

Visibility (miles)

9
7
6
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
2
0

Precipitation Type

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
None
None

Precipitation Probability (%)

62
61
60
41
24
20
5
2
1
2
3
4
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.3
0.3
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
2
3
5
6
6
5
4
3
3
3
2
2
3
3
2
2
1
1
1
2
1
2
3

Chance of Frost

Temperature (°C)

16
17
18
18
18
17
18
17
15
14
13
12
12
12
11
11
10
10
10
10
10
11
13
15

Feels Like (°C)

17
18
19
18
16
16
16
17
16
13
13
12
12
12
11
10
10
10
10
11
10
12
14
16

Dew Point (°C)

15
14
12
12
13
13
12
12
12
12
11
11
10
10
10
9
9
9
9
8
8
8
8
9

Relative Humidity (%)

92
82
69
68
76
74
68
71
80
86
87
89
90
90
90
90
91
91
93
91
91
83
74
68

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

315
311
311
309
309
307
306
306
304
301
298
296
294
294
295
295
294
292
293
293
292
292
292
293

Tuesday 15

Waxing Crescent 21%

11:50

20:15

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

Sun - Rise: 06:33, Set: 19:09, Transit: 12:51. Moon - Rise: 11:50, Set: 20:15. Civil Dark: 19:42 - 06:01. Nautical Dark: 20:21 - 05:22. Astro Dark: 21:03 - 04:41

Total Clouds (% Sky Obscured)

38
15
18
33
27
25
4
9
11
6
2
20
20
27
27
32
28
36
48
57
54
60
56
58

Low Clouds (% Sky Obscured)

18
15
18
20
19
17
1
2
0
0
0
10
18
24
27
20
16
27
31
43
48
44
33
22

Medium Clouds (% Sky Obscured)

3
0
1
3
10
17
2
7
11
6
2
16
0
0
0
22
13
21
41
44
36
43
47
47

High Clouds (% Sky Obscured)

13
0
3
23
2
0
0
0
0
0
0
0
0
0
0
4
8
8
8
20
5
14
24
36

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
3
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)

5
6
7
6
6
6
6
5
3
1
2
2
2
2
2
2
2
2
2
2
2
1
3
5

Chance of Frost

Temperature (°C)

16
18
19
20
20
20
20
19
17
16
15
14
13
13
13
13
13
12
12
12
12
14
15
17

Feels Like (°C)

15
17
19
20
20
20
21
20
18
18
17
16
15
15
14
14
14
14
13
13
13
15
15
17

Dew Point (°C)

9
9
9
9
9
9
10
11
11
11
11
10
10
10
10
10
9
9
9
9
9
9
9
9

Relative Humidity (%)

63
57
53
51
49
48
50
59
68
74
76
79
79
80
80
81
80
80
80
81
81
74
65
59

Pressure (mb)

1023
1022
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

293
292
292
291
289
288
288
287
285
284
284
285
284
283
282
281
280
279
278
278
277
275
274
273

Wednesday 16

Waxing Crescent 29%

13:04

20:41

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: 06:35, Set: 19:07, Transit: 12:50. Moon - Rise: 13:04, Set: 20:41. Civil Dark: 19:40 - 06:02. Nautical Dark: 20:19 - 05:23. Astro Dark: 21:00 - 04:42

Total Clouds (% Sky Obscured)

65
83
94
100
100
86
67
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
30
32
36
37
40
50
62
75
82
87
90
76
66
57
46
43
38
53
59
71
77
73
79

Medium Clouds (% Sky Obscured)

50
52
62
60
60
55
52
50
49
95
97
100
100
100
97
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

41
58
68
84
91
86
67
79
100
100
100
100
100
100
100
100
100
100
100
100
100
96
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
4
4
3
2
3
6
0
0
2
1
5
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
14
28
42
49
55
73
95
95
95
95
95
93
89
94
90
85
68
44
37
27
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
1
1.4
1.6
1.2
0.9
0.6
0.4
0.7
0.7
0.6
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
21
20
19
17
17
16
16
16
15
15
15
15
14
14
13
13
13
13
14

Feels Like (°C)

18
19
19
20
20
19
20
21
19
17
17
16
17
16
16
16
15
15
14
14
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

56
53
49
48
49
51
53
62
73
79
83
90
95
96
98
98
98
98
98
93
92
89
86
75

Pressure (mb)

1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

272
271
271
270
270
269
269
270
269
269
269
269
270
270
270
270
271
271
273
276
277
278
282
288

Thursday 17

Waxing Crescent 39%

14:13

21:17

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

Sun - Rise: 06:36, Set: 19:05, Transit: 12:50. Moon - Rise: 14:13, Set: 21:17. Civil Dark: 19:38 - 06:04. Nautical Dark: 20:17 - 05:25. Astro Dark: 20:57 - 04:44

Total Clouds (% Sky Obscured)

93
87
78
73
65
60
68
47
61
50
43
36
23
14
7
15
22
30
53
77
99
99
100
100

Low Clouds (% Sky Obscured)

67
51
49
42
36
28
25
26
26
26
25
25
17
8
1
1
1
2
11
21
31
21
10
0

Medium Clouds (% Sky Obscured)

82
67
50
50
50
50
21
0
0
0
0
0
0
0
0
0
0
0
20
40
50
45
45
40

High Clouds (% Sky Obscured)

82
63
40
25
26
31
44
36
53
35
23
14
7
5
6
14
21
30
31
28
24
43
70
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
None
None

Precipitation Probability (%)

25
14
11
10
14
14
1
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
8
10
11
10
10
9
7
4
1
1
2
2
2
1
2
2
2
2
2
2
2
3
5

Chance of Frost

Temperature (°C)

14
15
15
16
16
16
15
15
13
12
11
10
10
9
9
9
8
8
8
8
9
10
11
13

Feels Like (°C)

13
13
12
13
13
13
12
12
14
13
12
11
10
10
10
10
9
9
9
8
8
8
9
10

Dew Point (°C)

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

Relative Humidity (%)

69
68
64
62
56
58
61
62
72
76
76
78
80
81
82
84
84
84
85
82
80
78
72
65

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012

Ozone (du)

287
288
290
292
295
298
304
306
297
292
290
289
289
290
293
292
292
292
292
290
289
288
289
290

Friday 18

First Quarter 49%

15:12

22:03

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

Sun - Rise: 06:38, Set: 19:03, Transit: 12:50. Moon - Rise: 15:12, Set: 22:03. Civil Dark: 19:35 - 06:05. Nautical Dark: 20:14 - 05:27. Astro Dark: 20:55 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
82
61
41
36
34
35
43
52
61
65
72
81
85
86
86

Low Clouds (% Sky Obscured)

16
32
44
36
36
36
51
65
80
69
61
41
36
24
9
16
32
51
60
63
66
60
54
47

Medium Clouds (% Sky Obscured)

48
59
68
69
69
68
68
65
66
47
33
17
19
20
24
18
12
6
11
15
20
37
52
69

High Clouds (% Sky Obscured)

100
100
100
100
100
100
68
36
9
9
6
0
0
0
1
6
11
16
30
48
70
56
39
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 (%)

2
4
1
4
6
9
12
14
7
12
8
1
1
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)

7
8
9
10
9
9
8
6
5
4
4
4
4
3
3
3
3
2
2
2
3
3
5
8

Chance of Frost

Temperature (°C)

15
15
16
16
16
16
15
15
14
14
13
12
12
11
10
9
8
8
7
8
8
8
10
12

Feels Like (°C)

10
10
11
12
14
14
14
13
14
14
11
10
10
11
11
12
7
7
7
7
6
6
8
8

Dew Point (°C)

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

Relative Humidity (%)

60
58
56
56
57
60
62
66
67
70
69
67
66
74
82
91
93
93
94
91
88
87
78
71

Pressure (mb)

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

Ozone (du)

290
290
289
288
289
289
290
291
292
293
295
297
300
299
299
299
296
293
290
291
291
292
291
291

Saturday 19

Waxing Gibbous 58%

16:00

23:01

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

Sun - Rise: 06:40, Set: 19:00, Transit: 12:49. Moon - Rise: 16:00, Set: 23:01. Civil Dark: 19:33 - 06:07. Nautical Dark: 20:12 - 05:28. Astro Dark: 20:52 - 04:48

Total Clouds (% Sky Obscured)

81
77
75
71
70
64
62
60
57
65
72
79
73
68
64
67
74
82
79
78
79

Low Clouds (% Sky Obscured)

45
44
45
43
41
39
38
37
36
43
52
60
46
30
15
24
34
31
19
10
0

Medium Clouds (% Sky Obscured)

64
59
51
47
41
31
17
14
9
15
19
26
26
32
32
33
34
33
30
24
17

High Clouds (% Sky Obscured)

35
53
75
60
37
13
14
15
13
10
7
3
13
20
27
35
42
49
51
53
55

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
1
1
1
2
5
8
9
7
3
10
13
16
15
13
12

Precipitation Amount (mm)

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)

11
13
15
16
15
13
12
10
8
6
6
6
6
5
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
18
17
16
15
15
14
14
13
12
12
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
59
53
48
50
52
55
58
61
64
67
71
76
79
80
84
86
87
88
88
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023

Ozone (du)

291
289
288
286
283
280
277
276
274
273
273
273
273
274
275
275
276
277
277
278
278

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 13/09/26 11:15:49. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+2.00