Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

20:06

No Set

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

Sun - Rise: 06:07, Set: 20:18, Transit: 13:13. Moon - Rise: 20:06, Set: No Set. Civil Dark: 20:58 - 05:29. Nautical Dark: 21:49 - 04:39. Astro Dark: 22:50 - 03:38

Total Clouds (% Sky Obscured)

52
46
42
55
27
25
14
3
12
9
42
22
43
3
32
54
100
100
62
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
13
18
25
27
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
0
0
0
0
0
0
0
0
0
0
6
14
41
38
29
36
59

High Clouds (% Sky Obscured)

20
19
38
7
8
3
4
3
12
9
42
19
34
3
25
54
100
100
55
100
100
100
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

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
9
9
10
14
14
14
15
16
16
16
16
16
14
14
13
14
13
14
14
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
11
11
11
11
10
10
10
10
10
10
10
10
11
11
11
11
12
12
12
12

Relative Humidity (%)

89
87
77
68
63
56
53
51
48
48
47
49
50
54
57
61
68
72
71
71
72
73
71
68

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015

Ozone (du)

313
314
316
316
318
316
314
312
311
310
310
310
309
308
308
308
308
306
306
305
304
303
301
300

Friday 28

Full Moon 99%

20:12

06:15

06 Bad
07 Bad
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

Sun - Rise: 06:09, Set: 20:16, Transit: 13:12. Moon - Rise: 20:12, Set: 06:15. Civil Dark: 20:55 - 05:32. Nautical Dark: 21:46 - 04:41. Astro Dark: 22:46 - 03:42

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
73
69
70

Low Clouds (% Sky Obscured)

0
0
6
63
74
69
63
34
41
75
90
89
97
91
85
91
96
89
45
31
31
26
27
37

Medium Clouds (% Sky Obscured)

88
96
100
100
96
94
100
61
95
100
100
100
100
100
92
87
81
70
2
0
0
0
3
8

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
100
100
100
100
66
60
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
2
2
1
3
7
2
8
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
Very Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
None
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
24
54
53
48
50
84
88
55
95
95
95
95
95
95
92
44
3
1
1
7
4
8

Precipitation Amount (mm)

0
0
0
0.3
0.3
0
0
0.6
0.7
0
0.7
2.1
6.1
4.6
0.5
2.2
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
18
18
19
19
18
19
18
16
15
13
11
8
7
7
7
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
12
12
12
12
9
9
11
12
15
16
16
16
16
16
16
16
16
15
15
14

Relative Humidity (%)

67
67
68
68
65
65
66
63
49
52
60
70
90
95
98
96
98
95
93
93
96
95
93
93

Pressure (mb)

1014
1013
1012
1012
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1007
1006
1006
1007
1006
1006
1006
1006
1006
1006

Ozone (du)

299
298
298
296
296
296
298
298
299
300
298
300
299
300
306
313
319
320
321
325
327
327
328
324

Saturday 29

Waning Gibbous 96%

20:18

07:38

06 Bad
07 Bad
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 OK
21 Good
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:11, Set: 20:13, Transit: 13:12. Moon - Rise: 20:18, Set: 07:38. Civil Dark: 20:53 - 05:34. Nautical Dark: 21:43 - 04:44. Astro Dark: 22:42 - 03:45

Total Clouds (% Sky Obscured)

67
67
91
95
65
47
51
53
47
58
47
76
55
35
24
14
59
87
100
68
70
71
72
81

Low Clouds (% Sky Obscured)

24
67
72
59
41
40
23
35
24
44
45
59
55
27
18
9
16
21
24
21
21
22
22
27

Medium Clouds (% Sky Obscured)

37
67
15
12
10
6
13
12
8
4
4
65
6
0
0
0
0
0
2
4
70
71
72
81

High Clouds (% Sky Obscured)

50
45
2
32
15
0
0
1
1
2
0
0
0
0
2
3
45
73
100
48
45
45
45
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
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
1
3
16
5
0
3
9
15
24
27
20
20
15
1
0
1
1
0
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
19
20
21
21
21
21
20
20
20
19
17
17
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
87
85
73
65
61
58
52
57
62
72
74
74
78
85
87
86
87
90
93
90
89
87

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007

Ozone (du)

325
326
330
334
338
342
342
336
331
328
325
325
322
320
318
316
313
311
309
308
308
307
305
307

Sunday 30

Waning Gibbous 91%

20:24

09:02

06 Bad
07 Bad
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

Sun - Rise: 06:13, Set: 20:10, Transit: 13:12. Moon - Rise: 20:24, Set: 09:02. Civil Dark: 20:50 - 05:36. Nautical Dark: 21:40 - 04:46. Astro Dark: 22:38 - 03:49

Total Clouds (% Sky Obscured)

91
100
99
90
80
82
81
95
96
71
75
57
51
56
84
76
73
88
94
98
99
86
100
75

Low Clouds (% Sky Obscured)

67
73
45
38
64
69
72
94
95
47
43
38
27
23
20
14
12
14
36
48
41
27
18
16

Medium Clouds (% Sky Obscured)

32
69
97
75
22
19
13
13
42
41
56
9
12
8
4
6
2
5
75
75
82
37
30
71

High Clouds (% Sky Obscured)

38
53
40
35
40
45
45
45
33
18
0
0
0
7
30
34
46
67
80
90
94
79
100
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
7
6
6
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
8
13
35
23
25
49
58
54
50
36
26
18
12
17
11
2
6
7
8
7
2
11
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
11
13
14
15
15
15
15
14
14
13
13
14
14
13
11
10
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
17
17
18
17
17
17
18
18
19
18
17
15
15
14
13
14
13
13
13
12

Dew Point (°C)

14
14
12
12
13
13
13
13
13
13
14
14
14
14
15
14
14
14
14
14
14
13
13
13

Relative Humidity (%)

89
82
72
64
66
64
63
63
64
64
65
65
65
70
77
79
82
83
85
87
87
89
90
92

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

308
307
307
305
309
312
312
312
312
311
310
309
308
306
305
305
305
305
306
309
311
312
313
314

Monday 31

Waning Gibbous 84%

20:32

10:28

06 OK
07 Bad
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

Sun - Rise: 06:15, Set: 20:08, Transit: 13:11. Moon - Rise: 20:32, Set: 10:28. Civil Dark: 20:47 - 05:38. Nautical Dark: 21:37 - 04:49. Astro Dark: 22:34 - 03:52

Total Clouds (% Sky Obscured)

36
40
50
59
100
100
97
100
99
98
96
81
69
69
50
43
37
39
41
43
56
68
83
71

Low Clouds (% Sky Obscured)

18
21
29
39
49
51
62
73
79
71
49
43
31
31
22
21
16
16
12
16
24
24
24
29

Medium Clouds (% Sky Obscured)

25
25
28
30
31
25
40
56
78
64
12
10
7
3
6
5
4
7
11
19
13
8
2
9

High Clouds (% Sky Obscured)

25
29
31
30
100
100
83
100
97
94
87
65
66
68
25
13
0
1
1
1
10
28
45
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
8
9
9
6
9
9
2
5
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
21
33
48
57
69
79
71
69
81
83
66
83
70
59
39
30
23
9
14
19
11
21

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.6
0.4
0.3
0.5
0.5
0.3
0.7
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
15
16
17
17
17
18
19
18
18
18
19
19
19
18
18
17
18
17
17
16
15
16

Dew Point (°C)

13
13
13
12
11
11
11
11
12
12
11
11
12
12
14
14
13
14
14
13
13
14
14
14

Relative Humidity (%)

93
93
86
77
67
62
58
57
61
61
59
59
62
69
82
85
86
89
90
90
92
93
93
95

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1007
1007
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

316
319
319
320
321
322
323
323
323
323
325
325
325
325
325
323
322
320
320
319
318
317
317
316

Tuesday 1

Waning Gibbous 74%

20:42

11:58

06 Bad
07 Bad
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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:17, Set: 20:05, Transit: 13:11. Moon - Rise: 20:42, Set: 11:58. Civil Dark: 20:44 - 05:40. Nautical Dark: 21:33 - 04:51. Astro Dark: 22:30 - 03:55

Total Clouds (% Sky Obscured)

60
51
64
74
83
81
77
76
70
69
64
60
59
55
48
37
30
33
37
40
51
62
71
74

Low Clouds (% Sky Obscured)

29
33
30
28
28
29
27
25
32
37
39
39
40
40
31
23
16
22
30
37
41
45
48
48

Medium Clouds (% Sky Obscured)

16
24
18
10
1
11
21
36
39
48
64
60
59
55
48
37
30
33
21
5
4
3
2
1

High Clouds (% Sky Obscured)

19
6
17
26
18
14
15
15
18
25
27
30
33
39
33
22
11
6
4
0
17
32
48
54

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

27
31
34
37
34
35
29
22
45
61
72
64
48
26
22
23
18
23
25
14
23
23
19
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
17
16
17
17
17
17
18
18
18
17
17
16
13
13
13
13
13
13
13
14
14

Dew Point (°C)

14
14
14
14
13
13
13
12
12
13
14
15
15
14
13
13
13
12
13
13
13
13
13
12

Relative Humidity (%)

93
93
90
83
77
70
67
63
60
67
75
83
83
82
82
85
87
87
89
90
90
92
92
90

Pressure (mb)

1008
1009
1009
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

316
316
316
316
316
316
316
317
318
318
319
320
321
323
324
325
325
326
327
327
328
328
328
329

Wednesday 2

Waning Gibbous 63%

20:57

13:32

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

Sun - Rise: 06:19, Set: 20:03, Transit: 13:11. Moon - Rise: 20:57, Set: 13:32. Civil Dark: 20:42 - 05:42. Nautical Dark: 21:30 - 04:54. Astro Dark: 22:26 - 03:58

Total Clouds (% Sky Obscured)

76
71
68
65
58
52
47
52
44
38
29
44
59
70
68
61
58
63
68
73

Low Clouds (% Sky Obscured)

46
44
36
24
16
12
11
9
16
23
28
24
19
15
13
11
9
15
20
26

Medium Clouds (% Sky Obscured)

1
0
5
10
16
13
9
6
5
3
0
8
13
17
19
20
22
22
22
22

High Clouds (% Sky Obscured)

56
47
37
41
45
40
40
39
30
19
1
19
37
50
34
18
2
20
35
61

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 (%)

11
3
10
13
7
14
17
9
18
18
17
15
10
1
4
8
6
11
15
16

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
83
75
67
60
57
54
51
51
51
51
53
55
58
60
62
65
64
64

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

331
333
335
336
337
338
337
337
337
338
339
340
341
342
343
340
336
333
330
328

Forecast for Frederikssund, Frederikssund Kommune, Kingdom of Denmark (55.84,12.06)

Generated: 27/08/26 06:49:24. Forecast: 27/08/26 to 02/09/26. Timezone: UTC+2.00