Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 98%

19:21

04:54

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 OK
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 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)

99
99
99
99
100
100
93
94
83
69
75
79
59
67
70
35
14
2
4
3
4
13
7
6

Low Clouds (% Sky Obscured)

71
74
67
71
72
72
59
62
52
60
53
60
54
58
37
3
0
0
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
90
83
87
98
100
58
86
47
40
49
42
11
18
38
33
13
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
52
79
99
100
100
58
52
30
4
2
3
0
0
0
2
2
2
1
3
4
13
7
5

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 (%)

41
42
39
24
20
10
5
1
0
0
0
0
0
0
0
1
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
8
8
8
8
7
7
6
6
5
5
5
5
4
4
5
5
5
5
5
6
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
15
15
15
16
15
14
14
14
14
14
13
12
13
13
13
14
16
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

74
72
68
66
67
73
74
74
79
82
83
83
78
76
73
75
81
83
84
83
68
57
51
49

Pressure (mb)

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

Ozone (du)

306
306
307
306
306
307
307
307
309
311
312
310
309
308
305
303
302
302
301
300
299
298
297
297

Thursday 27

Waxing Gibbous 100%

19:37

06:09

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

46
45
8
4
4
3
54
48
56
96
55
67
83
76
88
47
93
97
97
32
54
53
96
100

Low Clouds (% Sky Obscured)

3
13
4
0
0
0
0
0
0
0
0
0
0
0
14
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
1
0
0
1
2
2
2
27
2
2
7
6
5
0
0

High Clouds (% Sky Obscured)

43
38
4
4
4
3
47
48
56
96
55
67
83
76
78
47
88
97
94
25
45
48
95
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 (%)

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)

9
10
9
9
10
9
9
8
6
6
5
5
4
4
5
5
4
4
3
3
6
11
13
14

Chance of Frost

Temperature (°C)

22
23
23
24
24
24
23
22
19
18
17
17
16
15
15
15
14
14
16
17
20
21
22
23

Feels Like (°C)

20
20
21
23
23
24
23
21
18
17
16
16
15
15
14
13
13
13
15
17
19
18
19
19

Dew Point (°C)

10
10
10
10
10
11
12
13
12
12
11
10
10
10
9
9
9
9
11
12
12
11
10
11

Relative Humidity (%)

47
44
42
41
41
43
49
56
63
64
65
65
67
68
68
69
69
70
72
71
59
51
47
45

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

297
297
297
297
296
297
297
295
293
293
292
290
289
289
288
289
288
287
287
286
286
286
286
286

Friday 28

Full Moon 99%

19:50

07:25

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: 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)

98
100
100
100
100
100
100
100
100
91
100
100
100
100
100
92
89
87
88
84
85
89
91
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
13
20
13
19
36
40
45
79
63
83
87
89
85
86
66
67
64
55
56

Medium Clouds (% Sky Obscured)

13
72
3
5
18
27
35
38
52
66
100
100
100
100
100
55
35
40
40
45
54
67
82
49

High Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
89
100
100
100
100
97
50
55
55
60
60
61
59
63
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
3
6
6
3
9
7
3
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
5
8
57
95
95
95
95
95
95
67
63
75
28
0
2
7
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
3.4
2.2
0.4
0.7
1
0
0.3
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
14
14
12
10
9
4
4
4
6
4
11
8
6
8
8
7
8
7
8
10
9
11

Chance of Frost

Temperature (°C)

25
26
27
27
28
28
27
26
23
22
21
20
18
17
17
16
16
16
15
15
15
16
17
18

Feels Like (°C)

21
22
23
23
24
25
25
25
23
22
21
19
18
18
17
16
16
15
16
15
14
14
16
16

Dew Point (°C)

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

Relative Humidity (%)

42
38
39
36
38
41
43
53
54
54
53
54
89
95
90
92
96
96
96
96
95
90
81
77

Pressure (mb)

1014
1013
1013
1012
1012
1011
1010
1010
1010
1010
1010
1010
1011
1013
1013
1013
1014
1014
1014
1015
1016
1016
1016
1016

Ozone (du)

285
284
285
285
286
286
286
287
288
288
288
288
288
288
290
291
293
295
296
299
302
305
310
315

Saturday 29

Waning Gibbous 96%

20:03

08:42

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
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 OK
11 OK

Sun - Rise: 06:08, Set: 19:47, Transit: 12:56. Moon - Rise: 20:03, Set: 08:42. Civil Dark: 20:21 - 05:33. Nautical Dark: 21:03 - 04:52. Astro Dark: 21:50 - 04:05

Total Clouds (% Sky Obscured)

95
100
91
82
72
33
31
28
71
73
100
70
100
95
99
70
63
56
54
46
62
58
48
20

Low Clouds (% Sky Obscured)

58
48
41
37
27
12
18
23
30
38
46
30
15
0
0
0
0
0
0
0
24
2
1
20

Medium Clouds (% Sky Obscured)

73
90
83
76
71
23
19
17
18
18
19
34
47
66
69
69
63
56
54
46
59
37
2
2

High Clouds (% Sky Obscured)

71
100
77
47
14
0
0
0
52
65
100
70
100
95
88
52
32
20
9
0
7
40
41
3

ISS Passover

Visibility (miles)

8
9
7
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
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 (%)

22
28
42
7
14
20
6
14
0
0
0
0
0
0
0
0
1
7
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.4
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)

12
13
14
11
10
9
7
4
2
2
1
2
2
1
1
2
2
2
2
2
2
3
6
8

Chance of Frost

Temperature (°C)

19
21
21
19
20
20
20
19
17
17
16
15
15
15
14
14
14
14
14
14
16
17
19
21

Feels Like (°C)

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

Dew Point (°C)

14
13
14
17
16
17
15
16
15
15
14
14
13
13
13
13
12
13
13
13
12
13
13
13

Relative Humidity (%)

71
62
67
85
79
82
74
81
86
89
89
90
89
87
90
89
90
92
92
89
79
77
65
59

Pressure (mb)

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

Ozone (du)

317
319
317
318
319
322
317
310
305
303
302
302
300
300
298
299
301
301
301
299
297
297
298
297

Sunday 30

Waning Gibbous 91%

20:16

10:00

12 OK
13 OK
14 OK
15 OK
16 OK
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: 06:09, Set: 19:45, Transit: 12:56. Moon - Rise: 20:16, Set: 10:00. Civil Dark: 20:19 - 05:35. Nautical Dark: 21:01 - 04:53. Astro Dark: 21:47 - 04:08

Total Clouds (% Sky Obscured)

28
42
42
44
46
70
81
92
98
99
100
96
66
61
64
68
70
77
84
91
87
85
81
74

Low Clouds (% Sky Obscured)

28
42
42
44
35
25
15
4
17
28
40
30
21
11
8
4
0
10
19
29
39
46
51
42

Medium Clouds (% Sky Obscured)

2
3
6
13
19
25
34
40
43
42
37
27
16
2
19
36
53
57
61
60
62
67
69
60

High Clouds (% Sky Obscured)

3
4
14
23
32
51
63
76
89
94
100
94
52
46
38
28
18
27
36
45
57
75
81
74

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
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
30
50
70
62

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
0.4
0.3

Wind Speed/Direction (mph)

10
10
11
10
9
8
6
4
2
2
3
3
3
3
3
2
2
2
3
3
5
7
8
10

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
24
22
21
20
19
18
18
17
17
16
16
15
16
17
18
18
19
19

Feels Like (°C)

22
23
23
24
24
24
24
23
21
20
19
18
17
18
18
17
17
17
16
16
17
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

54
50
47
44
42
43
50
60
61
62
61
65
66
68
67
67
66
64
64
63
62
61
58
56

Pressure (mb)

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

Ozone (du)

296
295
293
292
292
292
291
291
291
291
292
292
291
291
292
292
292
292
292
292
292
297
302
307

Monday 31

Waning Gibbous 84%

20:30

11:22

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
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: 06:11, Set: 19:42, Transit: 12:56. Moon - Rise: 20:30, Set: 11:22. Civil Dark: 20:16 - 05:37. Nautical Dark: 20:58 - 04:55. Astro Dark: 21:44 - 04:10

Total Clouds (% Sky Obscured)

67
60
60
60
50
46
37
31
31
37
40
51
58
76
71
66
61
70
79
91
91
95
100
100

Low Clouds (% Sky Obscured)

42
38
27
24
24
26
25
22
15
7
0
0
0
0
10
25
43
43
37
32
39
46
54
48

Medium Clouds (% Sky Obscured)

54
50
33
18
0
1
2
3
13
23
37
23
14
5
6
7
8
17
28
38
42
49
55
71

High Clouds (% Sky Obscured)

67
60
60
60
50
46
32
0
0
0
0
22
44
51
36
30
24
44
62
81
87
94
100
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

Very Light Rain
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 (%)

52
26
13
4
0
0
0
0
0
1
1
6
5
0
0
0
0
0
1
0
0
0
0
2

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
8
8
8
8
9
10
10
11
11
12
12
12
12
12
11
11
11
11
11
10
10
10

Relative Humidity (%)

50
45
40
40
39
39
44
50
57
62
66
70
73
77
80
83
84
87
83
80
76
70
63
58

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

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

Tuesday 1

Waning Gibbous 74%

20:48

No Set

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: 06:12, Set: 19:40, Transit: 12:55. Moon - Rise: 20:48, Set: No Set. Civil Dark: 20:14 - 05:38. Nautical Dark: 20:56 - 04:57. Astro Dark: 21:41 - 04:12

Total Clouds (% Sky Obscured)

100
100
99
99
98
97
97
96
96
96
96
95
94
93
94
94
94
91
90
89

Low Clouds (% Sky Obscured)

36
28
22
24
24
28
31
35
28
21
14
12
12
13
24
39
42
45
49
52

Medium Clouds (% Sky Obscured)

83
95
95
95
96
97
96
96
95
96
95
92
87
84
76
69
57
46
31
14

High Clouds (% Sky Obscured)

100
100
72
46
35
44
49
59
63
66
75
70
55
55
53
51
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

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 (%)

5
5
19
25
21
27
29
21
29
33
36
30
23
13
17
19
21
21
15
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)

9
10
11
10
9
7
6
5
3
3
2
2
2
1
1
1
1
1
0
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
19
18
17
17
17
17
14
15
15
16
16
16
14
14
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

53
49
45
47
50
53
57
62
68
72
75
79
82
86
89
89
90
90
89
89

Pressure (mb)

1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

305
305
305
305
305
305
306
306
307
307
307
306
309
311
314
314
314
314
315
316

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

Generated: 26/08/26 12:50:10. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+2.00