Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

23:10

07:08

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: 05:09, Set: 21:22, Transit: 13:16. Moon - Rise: 23:10, Set: 07:08. Civil Dark: 22:08 - 04:23. Nautical Dark: 23:17 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

38
94
91
98
100
99
98
98
100
100
99
88
70
98
100
100
100
100
100
100
100
98
93
91

Low Clouds (% Sky Obscured)

32
6
6
2
9
2
6
7
2
1
6
16
49
98
100
100
100
100
100
100
100
97
93
90

Medium Clouds (% Sky Obscured)

6
14
17
31
30
35
20
28
88
100
92
85
58
64
60
40
28
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
93
88
98
100
99
98
98
100
100
96
14
6
2
18
19
16
38
61
48
61
40
0
2

ISS Passover

Visibility (miles)

6
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
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
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

Precipitation Probability (%)

5
5
6
8
11
16
16
18
20
26
36
40
40
38
42
42
32
18
13
12
12
11
9
9

Precipitation Amount (mm)

0.01
0.04
0.08
0.15
0.23
0.27
0.21
0.13
0.09
0.13
0.27
0.44
0.6
0.75
0.76
0.51
0.22
0.08
0.04
0.03
0.03
0.03
0.04
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
16

Relative Humidity (%)

67
66
65
66
69
72
75
78
80
82
82
84
86
88
92
96
99
99
99
97
96
95
94
92

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

329
329
329
329
329
330
331
333
334
334
333
332
332
331
331
331
332
333
334
334
335
335
334
334

Tuesday 21

Waning Gibbous 89%

00:11

07:56

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: 05:08, Set: 21:23, Transit: 13:16. Moon - Rise: 00:11, Set: 07:56. Civil Dark: 22:10 - 04:21. Nautical Dark: 23:19 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
95
98
98
100
100
100
100
99
100
100
100
100
100
100
100
98
100
94
97
82
98
95
76

Low Clouds (% Sky Obscured)

42
7
3
18
31
11
41
31
86
100
100
100
100
100
100
100
98
99
84
77
72
98
95
74

Medium Clouds (% Sky Obscured)

2
12
19
31
31
42
53
78
82
79
63
32
26
30
23
30
32
31
75
94
53
2
1
0

High Clouds (% Sky Obscured)

68
95
98
98
100
100
100
100
99
91
38
0
2
59
41
1
29
34
29
4
1
0
0
5

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
7
7
7
8
9
9
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
Very Light Rain
Light Rain
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

Precipitation Probability (%)

10
13
14
17
24
30
34
39
42
41
36
30
19
10
5
3
2
2
2
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.04
0.06
0.1
0.17
0.25
0.32
0.4
0.45
0.4
0.3
0.23
0.15
0.09
0.06
0.04
0.03
0.02
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
87
89
90
89
88
88
89
89
89
89
89
90
93
94
91
85
78
72
66
62
59

Pressure (mb)

1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016

Ozone (du)

334
334
333
333
333
332
333
334
335
336
337
338
339
339
340
341
341
342
343
344
345
346
347
348

Wednesday 22

Waning Gibbous 82%

01:01

08:51

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

Sun - Rise: 05:07, Set: 21:25, Transit: 13:16. Moon - Rise: 01:01, Set: 08:51. Civil Dark: 22:12 - 04:19. Nautical Dark: 23:22 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
45
14
6
22
27
28
45
19
24
16
5
1
1
0
1
1
2
2
2
2
2
2
100

Low Clouds (% Sky Obscured)

74
44
14
6
1
2
17
23
13
23
16
5
1
1
0
1
1
2
2
2
2
2
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
21
27
27
39
16
7
0
0
0
0
0
0
0
0
0
0
0
0
0
100

High Clouds (% Sky Obscured)

13
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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)

17
16
16
15
14
12
10
9
7
6
5
5
5
5
6
6
6
6
7
7
7
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
15
15
14
13
11
10
8
8
7
7
6
6
6
7
10
12
14
16
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

57
57
57
58
59
61
66
72
77
80
83
85
86
88
89
89
85
80
69
58
52
51
52
53

Pressure (mb)

1016
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

350
351
352
352
351
349
347
343
340
339
338
338
338
339
340
341
342
343
342
340
339
339
339
338

Thursday 23

Waning Gibbous 73%

01:41

09:53

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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: 05:05, Set: 21:26, Transit: 13:17. Moon - Rise: 01:41, Set: 09:53. Civil Dark: 22:14 - 04:18. Nautical Dark: 23:25 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
34
34
34
34
34
34
74
74
74
74
74
74
90
90
90
90
90
90
100

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
1
14
14
14
14
14
14
68
68
68
68
68
68
73

Medium Clouds (% Sky Obscured)

100
100
100
100
100
34
34
34
34
34
34
73
73
73
73
73
73
2
2
2
2
2
2
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
77
77
77
77
77
77
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
2
1
1
1
0
0
0
0
0
0
0
0
0
4
20
34
33
33
35

Precipitation Amount (mm)

0
0
0
0
0.01
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0.02
0.12
0.25
0.34
0.4
0.42

Wind Speed/Direction (mph)

9
9
8
6
5
5
5
3
5
4
4
4
3
4
4
4
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
55
56
58
59
60
62
65
68
71
74
76
77
79
81
79
75
72
72
74
75
74
72
68

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

338
338
338
340
342
343
342
339
338
338
340
341
340
338
337
336
336
337
338
340
341
340
338
336

Friday 24

Waning Gibbous 64%

02:13

10:59

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: 05:04, Set: 21:28, Transit: 13:17. Moon - Rise: 02:13, Set: 10:59. Civil Dark: 22:15 - 04:16. Nautical Dark: 23:28 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
98
98
98
98
68
68
68
68
68
68
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

73
73
73
73
73
14
14
14
14
14
14
68
68
68
68
68
68
100
100
100
100
100
100
98

Medium Clouds (% Sky Obscured)

97
97
97
97
97
94
94
94
94
94
94
2
2
2
2
2
2
70
70
70
70
70
70
34

High Clouds (% Sky Obscured)

99
99
99
99
99
95
95
95
95
95
95
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
8
8
7
6
6
7
9
10
9
9
9
10
10
10
10
10
10
10
7
5
6
8
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
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 (%)

33
34
36
41
46
43
35
20
12
9
8
7
8
10
11
11
14
17
17
14
11
11
14
13

Precipitation Amount (mm)

0.4
0.38
0.36
0.32
0.27
0.24
0.19
0.14
0.1
0.07
0.04
0.03
0.01
0.01
0.01
0.01
0.04
0.08
0.09
0.1
0.11
0.12
0.13
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
70
73
74
77
79
80
83
85
87
89
91
94
93
90
87
85
81
80
80
79
76

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

335
335
334
334
334
334
334
333
334
337
342
345
348
350
351
351
351
351
352
354
354
353
351
350

Saturday 25

Waning Gibbous 55%

02:38

12:06

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: 05:03, Set: 21:29, Transit: 13:17. Moon - Rise: 02:38, Set: 12:06. Civil Dark: 22:17 - 04:15. Nautical Dark: 23:31 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
98
73
73
73
73
73
73
100
100
100
100
100
100
100
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

98
98
98
98
98
73
73
73
73
73
73
81
81
81
81
81
81
23
23
23
23
23
23
88

Medium Clouds (% Sky Obscured)

34
34
34
34
34
0
0
0
0
0
0
74
74
74
74
74
74
97
97
97
97
97
97
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
99
99
99
99
99
99
0

ISS Passover

Visibility (miles)

9
7
7
9
10
10
10
10
10
10
10
10
8
6
5
5
7
9
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
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 (%)

10
8
6
6
7
7
5
4
0
6
15
23
32
39
39
32
23
18
17
17
17
15
13
13

Precipitation Amount (mm)

0.1
0.06
0.05
0.06
0.1
0.11
0.06
0.01
0
0.02
0.07
0.17
0.24
0.3
0.33
0.27
0.19
0.13
0.13
0.14
0.14
0.13
0.15
0.21

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
65
61
62
64
67
71
75
78
81
85
88
90
92
92
91
88
85
82
80
81
82
82
82

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

351
354
356
357
358
358
357
356
355
355
356
356
356
355
354
354
354
354
355
358
359
360
360
359

Sunday 26

Third Quarter 45%

02:59

13:14

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: 05:02, Set: 21:31, Transit: 13:17. Moon - Rise: 02:59, Set: 13:14. Civil Dark: 22:19 - 04:13. Nautical Dark: 23:34 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
95
95
95
95
83
83
83
83
83
83
100
100
100
100
100
100
91
91
91
91
91
91
100

Low Clouds (% Sky Obscured)

88
88
88
88
88
75
75
75
75
75
75
100
100
100
100
100
100
91
91
91
91
91
91
100

Medium Clouds (% Sky Obscured)

88
88
88
88
88
63
63
63
63
63
63
95
95
95
95
95
95
7
7
7
7
7
7
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
None
None
None
None
None
None
None
None
None
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

Precipitation Probability (%)

12
11
11
7
3
2
0
0
1
2
2
3
5
8
20
42
57
61
57
33
18
17
18
19

Precipitation Amount (mm)

0.27
0.32
0.3
0.18
0.05
0.01
0
0
0.01
0.02
0.04
0.07
0.11
0.17
0.26
0.44
0.68
0.76
0.48
0.17
0.05
0.04
0.07
0.1

Wind Speed/Direction (mph)

11
11
12
11
12
12
11
10
9
9
8
8
7
6
6
5
4
5
4
3
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
76
76
76
76
78
81
83
85
86
88
89
91
92
95
96
95
91
87
85
87
90
90

Pressure (mb)

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

Ozone (du)

357
354
352
351
351
350
347
343
340
337
335
334
333
333
334
338
344
347
346
342
338
337
337
336

Forecast for Altona-Altstadt, Hamburg, Germany (53.55,9.95)

Generated: 20/05/19 14:37:41. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+2.00