Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

23:14

06:46

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

Sun - Rise: 04:48, Set: 21:26, Transit: 13:08. Moon - Rise: 23:14, Set: 06:46. Civil Dark: 22:17 - 03:56. Nautical Dark: 23:43 - 02:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
14
7
10
5
65
90
100
100
100
100
100
100
56
61
67
40
23
40
32
12
18
29
47

Low Clouds (% Sky Obscured)

15
14
2
1
0
0
0
0
1
0
28
95
29
7
8
1
2
10
37
17
3
1
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
24
18
1
19
87
74
26
12
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
5
10
5
65
90
100
100
100
100
100
99
48
48
67
39
15
4
20
10
18
28
47

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

5
5
6
5
3
0
0
4
6
4
0
0
5
10
13
13
12
13
15
21
28
31
29
24

Precipitation Amount (mm)

0.04
0.14
0.22
0.14
0.03
0
0
0.01
0.02
0.01
0
0
0.03
0.15
0.27
0.24
0.17
0.13
0.12
0.22
0.33
0.26
0.12
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
14
13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
14
15

Relative Humidity (%)

60
59
59
63
68
74
79
83
87
89
91
92
93
93
92
90
87
84
82
80
78
75
72
69

Pressure (mb)

1008
1007
1007
1007
1007
1006
1006
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

339
337
335
334
334
335
336
337
338
336
334
332
330
329
328
328
328
328
328
328
328
328
328
329

Tuesday 21

Waning Gibbous 89%

00:16

07:32

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

Sun - Rise: 04:47, Set: 21:27, Transit: 13:08. Moon - Rise: 00:16, Set: 07:32. Civil Dark: 22:20 - 03:54. Nautical Dark: 23:47 - 02:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
15
18
25
70
96
93
94
86
97
100
98
100
100
88
90
52
91
89
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
0
0
12
7
4
11
11
48
73
57
96
98
80
84
29
84
89
99
100
100
100
100

Medium Clouds (% Sky Obscured)

0
2
16
25
49
94
80
75
85
96
99
97
92
89
61
36
23
21
31
11
12
3
6
17

High Clouds (% Sky Obscured)

9
12
3
0
59
79
60
44
0
0
0
0
29
34
29
2
21
7
4
25
3
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
2
2
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

21
20
19
18
16
16
15
13
13
12
12
11
9
7
6
7
7
7
7
8
9
11
13
15

Precipitation Amount (mm)

0.06
0.1
0.14
0.15
0.15
0.15
0.12
0.08
0.05
0.04
0.03
0.02
0.01
0.01
0.01
0.01
0.02
0.03
0.03
0.03
0.04
0.04
0.05
0.06

Wind Speed/Direction (mph)

5
7
7
7
6
6
5
5
4
4
3
3
3
3
3
3
5
6
9
12
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
64
62
60
60
61
65
71
76
82
88
93
97
100
100
96
89
81
77
74
74
73
73
73

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011

Ozone (du)

329
330
330
332
333
335
337
340
342
345
348
350
351
350
349
348
347
346
346
346
346
345
345
344

Wednesday 22

Waning Gibbous 82%

01:06

08:29

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:45, Set: 21:29, Transit: 13:08. Moon - Rise: 01:06, Set: 08:29. Civil Dark: 22:22 - 03:52. Nautical Dark: 23:52 - 02:20. Astro Dark: N/A - N/A

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
100
100
73

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70

Medium Clouds (% Sky Obscured)

11
14
45
77
98
100
100
100
100
100
100
100
39
13
0
0
0
0
0
0
0
0
0
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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 (%)

16
13
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.05
0.05
0.03
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
16
15
14
13
12
11
11
10
6
6
6
7
11
12
14
15
16
17
18
19

Dew Point (°C)

10
10
10
10
9
8
8
7
7
6
6
5
5
5
6
6
6
7
7
7
7
7
7
7

Relative Humidity (%)

72
69
67
65
64
64
65
67
68
70
70
72
75
79
80
79
75
70
64
59
55
52
50
48

Pressure (mb)

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

Ozone (du)

343
342
341
341
340
341
342
345
346
343
339
337
338
342
344
345
345
344
342
340
339
338
337
336

Thursday 23

Waning Gibbous 73%

01:45

09:32

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

Sun - Rise: 04:44, Set: 21:31, Transit: 13:08. Moon - Rise: 01:45, Set: 09:32. Civil Dark: 22:24 - 03:50. Nautical Dark: 23:56 - 02:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
73
73
73
73
78
78
78
78
78
78
1
1
1
1
1
1
94
94
94
94
94
94
100

Low Clouds (% Sky Obscured)

70
70
70
70
70
6
6
6
6
6
6
1
1
1
1
1
1
92
92
92
92
92
92
90

Medium Clouds (% Sky Obscured)

40
40
40
40
40
77
77
77
77
77
77
0
0
0
0
0
0
24
24
24
24
24
24
100

High Clouds (% Sky Obscured)

8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
47
47
48
50
52
55
59
62
65
67
70
74
79
81
80
75
71
67
62
59
55
52
51

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008

Ozone (du)

334
331
330
331
333
335
337
340
341
339
336
334
334
336
337
337
336
336
336
337
338
339
341
342

Friday 24

Waning Gibbous 64%

02:15

10:40

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:42, Set: 21:32, Transit: 13:08. Moon - Rise: 02:15, Set: 10:40. Civil Dark: 22:26 - 03:48. Nautical Dark: 00:01 - 02:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
77
77
77
77
77
77
29
29
29
29
29
29
64
64
64
64
64
64
93

Low Clouds (% Sky Obscured)

90
90
90
90
90
21
21
21
21
21
21
24
24
24
24
24
24
40
40
40
40
40
40
9

Medium Clouds (% Sky Obscured)

100
100
100
100
100
25
25
25
25
25
25
13
13
13
13
13
13
48
48
48
48
48
48
91

High Clouds (% Sky Obscured)

22
22
22
22
22
69
69
69
69
69
69
0
0
0
0
0
0
25
25
25
25
25
25
61

ISS Passover

Visibility (miles)

10
10
10
10
9
7
7
8
10
10
10
10
10
8
6
5
5
5
6
6
7
8
10
10

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
6
15
31
47
54
51
41
30
26
24
24
38
56
62
60
55
47
36
24
15
12
15
19

Precipitation Amount (mm)

0
0.03
0.07
0.2
0.45
0.66
0.6
0.43
0.3
0.18
0.08
0.05
0.09
0.22
0.35
0.39
0.37
0.33
0.25
0.16
0.11
0.11
0.15
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

52
55
58
60
63
67
73
79
84
88
91
93
93
93
91
88
83
79
75
70
67
64
62
60

Pressure (mb)

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

Ozone (du)

341
338
336
335
335
335
336
337
339
339
339
339
340
341
341
342
342
343
345
348
351
353
355
357

Saturday 25

Waning Gibbous 55%

02:38

11:49

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:41, Set: 21:34, Transit: 13:08. Moon - Rise: 02:38, Set: 11:49. Civil Dark: 22:28 - 03:47. Nautical Dark: 00:06 - 02:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
93
93
93
93
100
100
100
100
100
100
79
79
79
79
79
79
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
9
9
9
99
99
99
99
99
99
79
79
79
79
79
79
99
99
99
99
99
99
100

Medium Clouds (% Sky Obscured)

91
91
91
91
91
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
100

High Clouds (% Sky Obscured)

61
61
61
61
61
13
13
13
13
13
13
1
1
1
1
1
1
60
60
60
60
60
60
88

ISS Passover

Visibility (miles)

10
9
8
8
8
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

21
21
21
20
17
12
5
3
1
1
0
0
0
2
2
2
2
0
0
0
1
3
6
10

Precipitation Amount (mm)

0.26
0.32
0.35
0.31
0.24
0.17
0.1
0.05
0.02
0.01
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0.01
0.03
0.1
0.17

Wind Speed/Direction (mph)

9
9
9
9
9
9
9
9
9
3
8
9
10
10
11
8
1
8
11
5
4
8
6
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
17
16
14
13
12
11
11
10
8
8
10
11
11
12
14
15
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

59
58
58
60
64
68
72
75
78
80
82
83
84
84
83
81
79
76
70
65
60
58
57
57

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

358
359
359
360
361
361
360
358
357
355
354
354
353
354
354
355
356
357
357
357
356
356
355
355

Sunday 26

Third Quarter 45%

02:56

12:59

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:40, Set: 21:36, Transit: 13:08. Moon - Rise: 02:56, Set: 12:59. Civil Dark: 22:30 - 03:45. Nautical Dark: 00:11 - 02:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
99
99
99
99
99
99
78

Low Clouds (% Sky Obscured)

100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
97
97
97
97
97
97
78

Medium Clouds (% Sky Obscured)

100
100
100
100
100
38
38
38
38
38
38
31
31
31
31
31
31
23
23
23
23
23
23
0

High Clouds (% Sky Obscured)

88
88
88
88
88
0
0
0
0
0
0
0
0
0
0
0
0
59
59
59
59
59
59
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
Very 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

Precipitation Probability (%)

12
14
13
10
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.18
0.15
0.12
0.07
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
13
12
9
9
8
7
8
6
7
9
9
10
10
10
9
9
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
61
64
66
68
71
74
76
79
81
83
85
88
90
90
87
83
78
72
67
62
59
57
55

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

354
355
355
355
356
356
355
354
353
352
350
349
348
348
347
347
347
346
345
344
343
343
342
343

Forecast for Frederikssund, Frederikssund Municipality, DK (55.84,12.06)

Generated: 20/05/19 15:16:20. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+2.00