Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

20:12

No Set

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
06 Bad

Sun - Rise: 06:11, Set: 20:16, Transit: 13:12. Moon - Rise: 20:12, Set: No Set. Civil Dark: 20:55 - 05:32. Nautical Dark: 21:46 - 04:41. Astro Dark: 22:46 - 03:42

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
92
89
79
100
100
100
100
100
89
70

Low Clouds (% Sky Obscured)

0
1
18
55
44
34
30
15
61
73
69
71
87
73
76
86
73
36
50
47
41
61
33
33

Medium Clouds (% Sky Obscured)

80
85
88
91
95
99
100
100
50
94
90
88
94
87
82
50
48
0
0
11
0
1
0
0

High Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
60
60
70
100
100
100
100
100
73
32

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
7
9
5
3
8
6
9
2
8
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
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
None
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
10
68
78
72
67
63
57
95
95
95
63
77
71
90
51
11
8
3
5
7
2
4
1

Precipitation Amount (mm)

0
0
0
0.6
0.4
0.4
0
0
0.8
1.4
1.1
0
0.4
0.3
0.5
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
17
18
18
19
17
18
15
13
10
9
9
8
8
8
8
9
7
8
8
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
66
65
62
65
67
77
72
69
62
82
93
93
95
95
95
92
92
96
95
93
96
93
93

Pressure (mb)

1013
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1006
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

299
298
297
297
298
299
299
299
300
301
302
305
308
314
320
323
325
327
324
326
325
323
323
322

Saturday 29

Waning Gibbous 96%

20:18

07:38

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

Sun - Rise: 06:13, 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)

77
71
72
74
80
97
95
96
93
96
51
45
43
48
44
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
53
66
63
64
78
75
61
54
69
38
32
37
30
22
19
0
29
20
25
77
83
79
84

Medium Clouds (% Sky Obscured)

0
0
0
0
44
36
52
85
60
96
10
2
0
0
4
3
35
67
48
80
100
100
98
98

High Clouds (% Sky Obscured)

55
36
44
45
0
0
4
27
55
3
0
0
0
9
15
86
100
100
100
100
100
86
78
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
8
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
3
25
50
45
42
64
59
36
16
7
4
1
2
2
2
3
6
29
37
48
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
83
81
73
70
76
80
69
71
71
59
62
70
77
85
87
89
86
86
85
85
86
83

Pressure (mb)

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

Ozone (du)

322
324
325
325
324
325
326
325
322
320
319
319
316
313
310
307
304
301
301
302
300
302
305
304

Sunday 30

Waning Gibbous 91%

20:24

09:02

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
06 Bad

Sun - Rise: 06:15, 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)

100
100
98
92
100
100
100
100
88
75
56
43
41
48
75
51
64
67
97
98
98
99
99
100

Low Clouds (% Sky Obscured)

93
75
84
72
87
95
95
94
64
57
41
27
26
43
67
48
44
41
22
17
15
15
26
32

Medium Clouds (% Sky Obscured)

100
25
91
70
94
93
77
68
88
18
11
4
7
2
2
0
0
0
13
23
22
38
31
88

High Clouds (% Sky Obscured)

15
99
48
20
59
62
65
61
0
0
0
0
0
5
1
5
46
35
89
92
95
98
99
100

ISS Passover

Visibility (miles)

9
8
9
9
4
4
9
7
7
6
5
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
51
25
72
95
95
76
74
63
61
57
17
23
10
22
10
6
14
1
1
2
1
2
10

Precipitation Amount (mm)

0.2
0.2
0
0.4
0.7
1.6
0.3
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
13
14
14
15
15
16
18
18
19
18
17
15
14
14
15
12
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
79
75
72
81
90
80
76
71
73
75
77
82
86
88
87
89
87
87
90
92
95
96

Pressure (mb)

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

Ozone (du)

303
305
308
307
306
306
306
307
308
311
309
307
303
302
301
301
301
301
302
303
303
304
305
306

Monday 31

Waning Gibbous 84%

20:32

10:28

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 OK
02 Bad
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 06:17, 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)

99
100
100
100
100
100
100
63
79
76
88
98
100
89
79
53
62
53
38
38
30
25
33
42

Low Clouds (% Sky Obscured)

33
48
43
48
48
52
41
43
54
47
22
21
19
20
20
17
21
19
32
33
30
25
32
36

Medium Clouds (% Sky Obscured)

70
47
49
100
86
95
45
9
11
3
21
28
10
17
9
4
0
0
0
0
0
0
3
7

High Clouds (% Sky Obscured)

97
100
100
100
100
100
100
46
47
47
76
91
100
72
49
22
36
37
20
14
4
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
3
9
9
9
6
5
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
38
56
90
88
75
88
93
92
69
48
37
30
36
46
18
14
15
7
9
12
5
8
13

Precipitation Amount (mm)

0
0
0
0.6
0.5
0.4
0.5
0.6
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
13
13
12
12
12
12
12
13
12
12
13
13
13
13
13
13
13
14
13
13
14

Relative Humidity (%)

95
92
83
74
74
64
63
59
58
63
67
65
69
74
82
87
89
90
95
95
95
93
95
96

Pressure (mb)

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

Ozone (du)

307
308
309
315
319
319
321
323
322
323
325
326
326
326
326
328
329
328
329
330
327
327
323
322

Tuesday 1

Waning Gibbous 74%

20:42

11:58

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

Sun - Rise: 06:19, 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)

53
95
94
94
83
66
56
57
63
66
56
50
8
48
44
41
48
54
61
73
86
99
98
97

Low Clouds (% Sky Obscured)

43
50
60
54
50
34
32
38
59
46
16
8
1
22
19
13
13
9
12
17
16
15
17
17

Medium Clouds (% Sky Obscured)

10
10
10
9
81
6
3
4
63
66
50
50
4
9
11
11
8
4
1
12
24
35
42
48

High Clouds (% Sky Obscured)

5
70
75
65
60
40
41
28
30
30
35
35
2
1
1
1
16
30
45
63
80
98
94
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
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 (%)

6
14
20
17
24
12
12
41
30
4
3
1
1
16
18
7
8
8
1
2
2
1
3
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)

10
10
12
13
15
15
16
16
16
15
15
12
11
10
12
11
10
9
9
9
9
9
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
85
76
71
66
62
61
63
58
53
55
62
66
69
73
78
82
87
92
92
92
92
89

Pressure (mb)

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

Ozone (du)

321
319
318
318
320
320
320
320
321
321
323
324
326
326
325
324
323
323
323
322
322
322
322
321

Wednesday 2

Waning Gibbous 63%

20:57

13:32

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
06 Bad

Sun - Rise: 06:21, 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)

96
93
90
88
80
78
71
71
62
62
63
60
61
61
66
67
74
81
87
91
94
96
97
98

Low Clouds (% Sky Obscured)

19
32
47
63
47
33
19
22
29
33
41
46
52
55
57
56
67
74
81
86
90
95
90
86

Medium Clouds (% Sky Obscured)

55
50
45
38
49
62
65
60
50
30
25
25
24
22
19
17
20
24
27
35
42
49
62
75

High Clouds (% Sky Obscured)

85
80
79
88
78
64
50
62
62
62
63
60
61
61
66
67
74
73
74
73
67
65
65
60

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

3
32
46
59
52
43
16
34
45
51
57
63
65
65
58
47
54
64
79
87
87
79
81
80

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
14
16
18
18
18
18
17
17
16
16
16
16
16
16
16
16
17
17
18
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
77
74
72
64
57
51
50
50
49
55
60
67
67
67
68
69
70
71
71
73
74
75

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1007
1006
1005
1004
1004

Ozone (du)

321
321
325
330
334
333
331
330
330
329
329
330
331
332
334
336
338
343
347
352
352
352
352
347

Thursday 3

Waning Gibbous 52%

21:21

15:07

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

Sun - Rise: 06:23, Set: 20:00, Transit: 13:10. Moon - Rise: 21:21, Set: 15:07. Civil Dark: 20:39 - 05:44. Nautical Dark: 21:27 - 04:56. Astro Dark: 22:23 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
96
92
87
84
80
75
69
63
61
62
65
65
70
74
79

Low Clouds (% Sky Obscured)

85
85
89
90
92
92
87
84
80
75
65
51
36
28
19
8
32
55
78

Medium Clouds (% Sky Obscured)

88
62
36
10
9
8
7
6
4
0
0
1
1
14
27
41
52
64
75

High Clouds (% Sky Obscured)

45
35
40
45
27
13
0
0
1
1
11
21
35
40
45
50
47
53
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

75
74
78
82
76
66
48
42
33
19
16
14
11
4
3
0
18
31
48

Precipitation Amount (mm)

0.4
0.4
0.4
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
19
19
20
21
21
21
22
22
21
21
20
19
17
17
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
12
11
11
10
11
10
10
9
8
7
8
9
9
10
10

Relative Humidity (%)

76
78
77
75
74
71
67
64
64
63
62
61
59
58
62
67
73
76
80

Pressure (mb)

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

Ozone (du)

342
338
336
334
333
330
327
325
324
323
321
320
318
316
317
317
317
317
317

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

Generated: 28/08/26 07:22:13. Forecast: 28/08/26 to 03/09/26. Timezone: UTC+2.00