Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:05

01:14

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

Sun - Rise: 05:58, Set: 19:59, Transit: 12:58. Moon - Rise: 18:05, Set: 01:14. Civil Dark: 20:34 - 05:24. Nautical Dark: 21:18 - 04:40. Astro Dark: 22:07 - 03:51

Total Clouds (% Sky Obscured)

42
42
67
36
49
47
50
47
24
33
12
59
35
34
39
69
60
35
37
33
19
11
3
43

Low Clouds (% Sky Obscured)

37
41
43
36
35
34
38
30
18
28
10
30
5
13
14
48
42
28
27
33
19
11
3
0

Medium Clouds (% Sky Obscured)

0
0
0
24
37
37
34
35
11
6
0
3
25
26
24
38
38
30
30
31
18
0
0
0

High Clouds (% Sky Obscured)

8
6
2
1
2
0
0
0
1
4
4
55
10
3
0
0
0
0
0
0
0
0
1
43

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 (%)

8
1
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
1
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)

3
5
7
10
10
11
11
11
9
8
7
5
2
3
3
3
3
3
2
3
2
2
2
1

Chance of Frost

Temperature (°C)

10
12
15
17
18
18
19
19
19
19
18
17
14
13
11
11
10
10
9
8
8
8
7
8

Feels Like (°C)

10
12
13
15
16
15
16
16
17
18
17
17
13
12
11
10
10
10
10
9
9
8
9
10

Dew Point (°C)

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

Relative Humidity (%)

84
72
57
53
50
47
46
46
46
46
50
62
63
67
73
74
72
76
80
81
79
79
81
77

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

323
321
319
320
320
321
322
323
324
324
324
323
323
325
327
330
330
329
329
330
332
334
335
337

Monday 24

Waxing Gibbous 89%

18:38

02:24

08 Good
09 Good
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 OK
16 OK
17 Bad
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
07 Good

Sun - Rise: 06:00, Set: 19:57, Transit: 12:58. Moon - Rise: 18:38, Set: 02:24. Civil Dark: 20:32 - 05:25. Nautical Dark: 21:16 - 04:42. Astro Dark: 22:04 - 03:54

Total Clouds (% Sky Obscured)

1
1
35
40
19
56
61
45
36
50
38
17
18
2
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
35
39
19
27
60
26
24
38
24
15
10
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
16
1
41
37
27
29
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
15
21
2
8
2
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
9
9
9
9

Fog (%)

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

Chance of Frost

Temperature (°C)

11
14
16
17
18
19
20
20
20
20
19
17
15
13
12
11
11
11
11
10
10
10
10
11

Feels Like (°C)

10
15
16
18
20
20
20
21
21
21
19
16
14
13
12
11
11
11
10
10
9
10
9
11

Dew Point (°C)

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

Relative Humidity (%)

67
59
52
48
44
42
41
41
41
42
47
61
70
74
73
73
76
76
77
80
80
81
81
79

Pressure (mb)

1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018

Ozone (du)

336
332
331
331
329
328
327
325
326
327
325
324
323
322
324
325
326
327
328
330
327
323
320
319

Tuesday 25

Waxing Gibbous 95%

19:02

03:38

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

Sun - Rise: 06:01, Set: 19:55, Transit: 12:58. Moon - Rise: 19:02, Set: 03:38. Civil Dark: 20:30 - 05:27. Nautical Dark: 21:13 - 04:44. Astro Dark: 22:01 - 03:56

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
55
12
23
30
49
51
29
26
44
99
93
97
95
90
86
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
16
23
43
49
28
21
6
17
13
6
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
21
25
7
2
0
0
0
0
14
28
38
46
76
82

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
55
7
2
4
2
2
6
10
44
98
88
91
85
69
54
29

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)

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

Chance of Frost

Temperature (°C)

14
16
17
19
20
21
21
22
22
21
21
19
17
16
16
15
14
14
14
14
13
12
13
14

Feels Like (°C)

13
14
14
16
17
18
19
19
20
20
19
18
16
14
14
14
14
13
11
11
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

66
56
50
47
44
41
39
38
39
40
45
54
62
62
64
67
71
69
67
67
69
72
75
71

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

316
314
314
314
314
314
314
313
312
312
310
310
309
309
308
306
307
307
309
311
310
307
307
307

Wednesday 26

Waxing Gibbous 98%

19:21

04:54

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 OK
01 OK
02 OK
03 OK
04 Good
05 OK
06 Good
07 Good

Sun - Rise: 06:03, Set: 19:53, Transit: 12:57. Moon - Rise: 19:21, Set: 04:54. Civil Dark: 20:28 - 05:29. Nautical Dark: 21:11 - 04:46. Astro Dark: 21:59 - 03:58

Total Clouds (% Sky Obscured)

86
91
96
94
89
73
59
59
60
59
63
55
72
65
56
55
47
45
25
36
10
26
8
4

Low Clouds (% Sky Obscured)

0
0
0
15
31
49
49
45
42
43
44
43
36
27
20
12
6
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

86
89
93
91
83
61
40
37
34
34
31
30
26
24
21
14
8
2
2
2
3
2
3
3

High Clouds (% Sky Obscured)

46
52
53
41
19
3
15
29
43
32
25
12
32
32
31
40
45
45
25
34
5
20
4
1

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)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
22
22
23
23
23
22
20
18
17
16
15
15
15
14
14
13
13
14
15

Feels Like (°C)

13
15
16
17
18
18
21
21
21
21
20
19
17
15
15
13
13
12
12
12
12
12
12
14

Dew Point (°C)

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

Relative Humidity (%)

65
54
47
43
40
39
38
37
36
38
42
52
54
56
56
56
56
57
61
64
64
64
65
64

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

306
304
303
303
304
305
304
302
301
301
300
300
300
301
301
301
301
301
301
301
300
300
300
300

Thursday 27

Waxing Gibbous 100%

19:37

06:09

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

Sun - Rise: 06:05, Set: 19:51, Transit: 12:57. Moon - Rise: 19:37, Set: 06:09. Civil Dark: 20:25 - 05:30. Nautical Dark: 21:08 - 04:48. Astro Dark: 21:56 - 04:01

Total Clouds (% Sky Obscured)

12
23
31
22
13
0
19
44
83
42
33
53
89
78
67
56
47
37
53
68
84
73
60
51

Low Clouds (% Sky Obscured)

3
6
9
6
3
0
0
0
0
0
0
0
5
3
0
0
0
0
0
0
0
2
4
5

Medium Clouds (% Sky Obscured)

2
2
2
1
1
0
0
0
0
0
0
0
6
11
15
17
21
26
34
41
48
44
39
35

High Clouds (% Sky Obscured)

12
23
31
22
11
0
18
43
82
39
31
53
87
74
64
47
28
6
12
21
30
29
28
26

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
6
12
17
17
14
8

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
7
8
9
10
10
10
9
7
5
5
5
4
4
4
4
3
3
3
3
2
1

Chance of Frost

Temperature (°C)

17
19
21
23
24
25
26
27
27
27
26
24
22
21
19
18
18
18
18
18
18
18
19
20

Feels Like (°C)

17
20
21
23
24
24
25
26
26
25
26
25
21
20
19
19
19
19
19
18
18
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

57
49
43
40
36
35
35
36
36
37
42
53
55
57
58
61
62
63
64
64
63
64
61
60

Pressure (mb)

1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011

Ozone (du)

298
296
297
296
295
294
292
291
292
292
291
292
295
295
294
294
293
293
292
291
289
288
287
287

Friday 28

Full Moon 99%

19:50

07:25

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:06, Set: 19:49, Transit: 12:57. Moon - Rise: 19:50, Set: 07:25. Civil Dark: 20:23 - 05:32. Nautical Dark: 21:06 - 04:50. Astro Dark: 21:53 - 04:03

Total Clouds (% Sky Obscured)

58
65
73
82
91
100
98
95
94
94
92
90
84
78
75
80
84
86
90
95
100
99
98
97

Low Clouds (% Sky Obscured)

3
1
0
8
14
21
40
55
58
43
25
12
23
35
47
50
53
53
66
79
93
89
85
80

Medium Clouds (% Sky Obscured)

44
53
62
74
82
91
86
80
78
73
65
54
49
44
43
35
24
12
23
37
54
51
49
46

High Clouds (% Sky Obscured)

27
29
32
55
77
99
79
59
31
29
20
10
13
14
17
39
56
67
64
65
69
65
66
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3
3
2
5
7

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 (%)

8
6
1
17
34
43
35
33
27
33
33
29
31
25
15
13
6
0
0
0
0
0
0
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)

2
3
6
9
8
7
6
6
7
8
7
7
7
5
4
3
2
2
1
1
2
2
2
2

Chance of Frost

Temperature (°C)

21
22
23
25
25
25
25
24
23
22
21
19
18
17
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

17
23
23
23
23
23
24
25
25
25
25
24
23
15
15
15
14
14
13
13
13
13
13
13

Dew Point (°C)

12
11
11
10
11
11
12
13
15
16
16
15
14
14
14
14
14
14
13
13
13
13
13
13

Relative Humidity (%)

58
50
45
39
40
42
44
51
59
68
73
75
79
83
90
98
98
98
98
96
96
95
93
90

Pressure (mb)

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

Ozone (du)

286
286
286
285
286
287
288
290
293
296
298
300
303
303
303
303
303
303
303
305
307
308
312
315

Saturday 29

Waning Gibbous 96%

20:03

No Set

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: 06:08, Set: 19:47, Transit: 12:56. Moon - Rise: 20:03, Set: No Set. Civil Dark: 20:21 - 05:33. Nautical Dark: 21:03 - 04:52. Astro Dark: 21:50 - 04:05

Total Clouds (% Sky Obscured)

88
81
76
75
75
72
83
92
100
98
97
96
88
77
68
69
63
57

Low Clouds (% Sky Obscured)

66
51
33
32
31
31
43
54
64
59
57
55
45
35
25
23
22
20

Medium Clouds (% Sky Obscured)

43
50
51
57
58
59
51
47
37
33
36
39
24
11
0
2
4
5

High Clouds (% Sky Obscured)

66
60
60
57
56
50
60
66
68
60
58
58
51
50
59
56
42
27

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
33
43
47
44
33
26
30
34
46
39
30
29
21
14
16
13
5

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
4
6
8
8
9
11
11
12
13
11
9
8
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
14
14
14
16
16
20
19
19
18
18
18
14
15
15
15
14

Dew Point (°C)

12
12
11
10
9
9
9
9
10
11
10
10
10
10
11
11
11
11

Relative Humidity (%)

86
77
67
60
54
51
46
49
51
53
55
58
61
66
74
80
83
87

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

318
320
322
324
324
323
322
321
321
320
321
321
322
323
325
326
326
325

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

Generated: 23/08/26 08:20:04. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+2.00