Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:21

05:15

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

Sun - Rise: 06:00, Set: 20:34, Transit: 13:18. Moon - Rise: 15:21, Set: 05:15. Civil Dark: 21:13 - 05:21. Nautical Dark: 22:03 - 04:30. Astro Dark: 23:04 - 03:29

Total Clouds (% Sky Obscured)

77
64
44
46
73
48
40
72
70
60
67
65
71
76
71
55
35
10
3
16
42
42
31
15

Low Clouds (% Sky Obscured)

77
64
44
46
73
48
40
72
70
60
67
65
71
76
71
55
35
10
3
16
42
42
31
15

Medium 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
0

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
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 (%)

3
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
6
5
5
4
3
3
2
2
2
1
1
1
0
1
2
4
5
7
11
12
12
12
12

Dew Point (°C)

3
3
4
3
3
3
3
3
3
3
3
2
2
2
2
3
3
4
3
3
3
2
2
2

Relative Humidity (%)

63
65
70
70
74
78
81
83
86
86
86
85
85
86
85
85
78
71
64
59
54
52
49
49

Pressure (mb)

1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1025
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

385
380
374
372
371
370
369
367
368
367
365
365
366
364
363
364
363
360
356
355
356
358
357
352

Friday 23

Waxing Gibbous 85%

16:48

05:31

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

Sun - Rise: 05:58, Set: 20:36, Transit: 13:18. Moon - Rise: 16:48, Set: 05:31. Civil Dark: 21:15 - 05:18. Nautical Dark: 22:05 - 04:28. Astro Dark: 23:07 - 03:25

Total Clouds (% Sky Obscured)

7
1
0
21
33
38
38
35
28
51
98
99
95
84
94
99
91
77
49
39
37
41
41
34

Low Clouds (% Sky Obscured)

7
1
0
0
1
3
21
33
23
10
15
18
38
63
88
99
90
56
24
19
21
18
27
28

Medium 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
0

High Clouds (% Sky Obscured)

0
0
0
20
33
36
19
2
6
48
97
99
92
61
52
34
5
52
33
25
20
27
17
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

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
1
1
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
0.01
0.01
0

Wind Speed/Direction (mph)

15
14
13
12
10
9
8
7
7
6
6
5
5
6
6
8
9
9
10
10
10
10
10
9

Chance of Frost

Temperature (°C)

12
11
10
9
7
6
5
4
4
3
3
2
2
2
3
5
7
8
10
11
12
12
13
13

Feels Like (°C)

12
11
10
6
4
3
2
1
1
0
0
-0
-1
-1
-0
2
4
6
7
11
12
12
13
13

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
2
2
1
1
1
0

Relative Humidity (%)

51
54
58
62
68
74
80
86
92
92
97
100
100
100
100
90
78
68
60
54
48
46
43
42

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

348
345
344
350
349
345
343
347
350
348
345
343
341
341
341
344
344
345
347
354
358
342
343
344

Saturday 24

Waxing Gibbous 93%

No Rise

05:47

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

Sun - Rise: 05:56, Set: 20:38, Transit: 13:18. Moon - Rise: No Rise, Set: 05:47. Civil Dark: 21:17 - 05:16. Nautical Dark: 22:08 - 04:25. Astro Dark: 23:11 - 03:21

Total Clouds (% Sky Obscured)

41
22
26
48
48
48
48
48
48
34
34
34
34
34
34
53
53
53
53
53
53
86
86
86

Low Clouds (% Sky Obscured)

31
21
26
44
44
44
44
44
44
25
25
25
25
25
25
40
40
40
40
40
40
56
56
56

Medium Clouds (% Sky Obscured)

0
2
5
0
0
0
0
0
0
6
6
6
6
6
6
0
0
0
0
0
0
75
75
75

High Clouds (% Sky Obscured)

15
0
0
6
6
6
6
6
6
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

13
12
11
9
7
6
5
4
3
3
2
1
1
1
1
3
5
7
9
10
11
12
13
12

Feels Like (°C)

13
12
11
7
6
4
3
4
3
3
2
1
1
1
-0
1
3
5
7
10
11
12
13
12

Dew Point (°C)

1
1
2
0
-1
-2
-3
-3
-2
-1
-1
-1
-1
-1
-1
-1
-1
1
2
2
1
1
1
1

Relative Humidity (%)

43
47
53
53
54
57
60
64
69
76
80
84
86
87
85
77
68
66
62
56
49
46
43
45

Pressure (mb)

1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025

Ozone (du)

348
351
354
348
350
351
352
353
355
377
381
384
385
385
384
390
389
388
388
389
389
385
386
386

Sunday 25

Waxing Gibbous 98%

18:17

06:02

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 Bad
00 OK
01 OK
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
15 Bad
16 Bad

Sun - Rise: 05:53, Set: 20:40, Transit: 13:17. Moon - Rise: 18:17, Set: 06:02. Civil Dark: 21:19 - 05:14. Nautical Dark: 22:10 - 04:22. Astro Dark: 23:15 - 03:16

Total Clouds (% Sky Obscured)

86
86
86
42
42
42
42
42
42
7
7
7
7
7
7
1
1
1
1
1
1
91
91
91

Low Clouds (% Sky Obscured)

56
56
56
10
10
10
10
10
10
3
3
3
3
3
3
0
0
0
0
0
0
3
3
3

Medium Clouds (% Sky Obscured)

75
75
75
33
33
33
33
33
33
1
1
1
1
1
1
0
0
0
0
0
0
85
85
85

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
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
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
9
7
6
5
4
3
2
2
1
1
0
1
3
5
8
10
11
12
12
13
14

Feels Like (°C)

12
11
10
7
5
4
3
2
1
1
-0
-1
-1
-1
1
2
4
6
8
11
12
12
13
14

Dew Point (°C)

1
1
2
3
3
3
3
3
3
2
2
1
1
0
1
2
2
2
2
1
0
-0
-1
-1

Relative Humidity (%)

47
51
57
66
75
83
89
96
100
100
100
100
100
100
100
93
81
69
59
51
46
42
38
37

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018

Ozone (du)

389
391
392
391
390
392
394
396
397
394
393
396
398
399
400
389
386
387
387
389
390
389
394
395

Monday 26

Waxing Gibbous 100%

19:49

06:19

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
15 Bad
16 Bad

Sun - Rise: 05:51, Set: 20:41, Transit: 13:17. Moon - Rise: 19:49, Set: 06:19. Civil Dark: 21:21 - 05:11. Nautical Dark: 22:13 - 04:19. Astro Dark: 23:18 - 03:12

Total Clouds (% Sky Obscured)

91
91
91
80
80
80
80
80
80
72
72
72
72
72
72
84
84
84
84
84
84
100
100
100

Low Clouds (% Sky Obscured)

3
3
3
8
8
8
8
8
8
13
13
13
13
13
13
11
11
11
11
11
11
81
81
81

Medium Clouds (% Sky Obscured)

85
85
85
59
59
59
59
59
59
25
25
25
25
25
25
12
12
12
12
12
12
81
81
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
30
30
30
30
30
71
71
71

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
1
1
1
1
0
0
0
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
10
9
7
6
6
5
4
4
4
4
4
4
4
6
8
10
11
12
13
14
14

Feels Like (°C)

14
13
12
10
7
5
4
3
2
2
1
1
1
1
1
2
4
6
8
11
12
13
14
14

Dew Point (°C)

1
1
3
3
3
1
0
1
2
1
2
2
2
2
2
2
2
3
3
3
3
2
2
2

Relative Humidity (%)

40
45
54
61
66
65
65
73
81
82
86
88
89
88
86
84
77
68
62
57
53
48
45
43

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012

Ozone (du)

397
397
397
406
408
409
411
412
413
416
419
421
422
423
424
404
402
401
401
401
401
400
398
396

Tuesday 27

Full Moon 99%

21:23

06:39

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
15 Bad
16 Bad

Sun - Rise: 05:49, Set: 20:43, Transit: 13:17. Moon - Rise: 21:23, Set: 06:39. Civil Dark: 21:23 - 05:09. Nautical Dark: 22:15 - 04:16. Astro Dark: 23:22 - 03:08

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
99
99
99
90
90
90
90
90
90
88
88
88
88
88
88
96
96
96

Low Clouds (% Sky Obscured)

81
81
81
63
63
63
63
63
63
24
24
24
24
24
24
16
16
16
16
16
16
53
53
53

Medium Clouds (% Sky Obscured)

81
81
81
77
77
77
77
77
77
47
47
47
47
47
47
38
38
38
38
38
38
75
75
75

High Clouds (% Sky Obscured)

71
71
71
76
76
76
76
76
76
38
38
38
38
38
38
28
28
28
28
28
28
4
4
4

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
2
2
2
2
1
2
3
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.03
0.04
0.05
0.07

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
8
8
8
7
7
7
7
8
8
9
9
10
11
11
12
12
13

Chance of Frost

Temperature (°C)

14
13
12
10
9
9
8
7
6
6
5
5
5
5
6
6
8
10
12
13
14
14
13
12

Feels Like (°C)

14
13
12
10
7
6
5
4
3
3
3
2
2
2
3
4
5
8
12
13
14
14
13
12

Dew Point (°C)

2
3
3
3
3
4
4
5
5
6
5
5
5
5
6
6
7
7
7
7
7
6
6
7

Relative Humidity (%)

45
49
54
59
65
72
80
89
95
100
100
100
100
100
100
100
95
85
74
67
62
59
62
68

Pressure (mb)

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

Ozone (du)

394
392
390
390
389
390
390
389
388
388
389
390
392
394
395
396
397
396
395
392
388
388
394
405

Wednesday 28

Waning Gibbous 95%

22:58

07:07

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
15 Bad
16 Bad

Sun - Rise: 05:47, Set: 20:45, Transit: 13:17. Moon - Rise: 22:58, Set: 07:07. Civil Dark: 21:25 - 05:07. Nautical Dark: 22:18 - 04:13. Astro Dark: 23:26 - 03:03

Total Clouds (% Sky Obscured)

96
96
96
78
78
78
78
78
78
86
86
86
86
86
86
63
63
63
63
63
63
98
98
98

Low Clouds (% Sky Obscured)

53
53
53
20
20
20
20
20
20
18
18
18
18
18
18
15
15
15
15
15
15
55
55
55

Medium Clouds (% Sky Obscured)

75
75
75
55
55
55
55
55
55
22
22
22
22
22
22
10
10
10
10
10
10
81
81
81

High Clouds (% Sky Obscured)

4
4
4
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
10
10
10

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

Precipitation Probability (%)

6
6
7
8
6
4
0
0
0
2
4
7
11
11
10
7
4
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.07
0.06
0.05
0.05
0.03
0.01
0
0
0
0.01
0.03
0.09
0.14
0.15
0.12
0.09
0.05
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
9
9
8
7
7
6
6
6
6
6
5
5
5
6
7
8
10
11
12
13
12

Feels Like (°C)

11
11
7
7
6
5
4
3
3
2
2
2
2
1
1
1
2
3
5
7
11
12
13
12

Dew Point (°C)

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

Relative Humidity (%)

77
83
90
92
93
95
96
96
96
98
100
100
100
100
100
100
95
89
81
74
66
60
57
58

Pressure (mb)

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

Ozone (du)

411
410
406
401
398
395
393
393
393
393
393
394
394
396
398
400
402
403
404
403
401
400
401
402

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

Generated: 22/04/21 16:56:06. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+2.00