Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 92%

23:29

07:15

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

Sun - Rise: 06:42, Set: 20:01, Transit: 13:23. Moon - Rise: 23:29, Set: 07:15. Civil Dark: 20:37 - 06:06. Nautical Dark: 21:21 - 05:22. Astro Dark: 22:09 - 04:33

Total Clouds (% Sky Obscured)

55
48
46
67
91
86
38
71
74
69
92
81
41
100
53
85
79
88
89
90
87
100
100
100

Low Clouds (% Sky Obscured)

55
48
46
66
53
59
38
62
64
66
45
66
17
57
22
32
47
45
30
0
0
41
70
79

Medium Clouds (% Sky Obscured)

1
1
0
0
1
1
0
25
10
6
11
0
14
23
15
31
20
49
78
51
58
100
100
100

High Clouds (% Sky Obscured)

25
5
12
40
78
69
4
6
41
31
63
59
20
98
52
38
62
73
22
69
70
100
100
95

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
1
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
1
1

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)

13
13
13
14
14
14
13
13
12
10
8
4
3
5
6
8
9
11
12
13
13
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
4
2
1
0
1
1
1
3
4
4
4
4
5
6
6
7
7
8
8
7
7

Relative Humidity (%)

88
84
77
67
56
50
45
45
46
47
54
64
70
74
72
78
82
82
84
82
84
83
78
73

Pressure (mb)

1013
1014
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1008

Ozone (du)

396
394
390
388
386
386
386
387
385
384
384
385
385
383
379
379
382
380
378
379
378
378
378
377

Sunday 5

Waning Gibbous 85%

00:45

07:37

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

Sun - Rise: 06:39, Set: 20:03, Transit: 13:22. Moon - Rise: 00:45, Set: 07:37. Civil Dark: 20:39 - 06:03. Nautical Dark: 21:23 - 05:19. Astro Dark: 22:12 - 04:30

Total Clouds (% Sky Obscured)

100
100
99
99
97
66
87
71
73
56
50
4
1
14
25
36
22
39
51
73
87
62
39
38

Low Clouds (% Sky Obscured)

80
62
61
85
65
51
39
43
39
36
1
1
0
0
0
28
7
26
38
39
35
30
23
22

Medium Clouds (% Sky Obscured)

100
99
98
82
86
31
26
39
41
18
0
0
0
7
14
36
22
39
51
11
0
0
0
0

High Clouds (% Sky Obscured)

83
73
65
70
59
15
69
5
18
10
17
4
1
3
3
0
0
39
50
65
82
62
39
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

12
25
24
61
53
53
28
9
9
6
6
4
1
0
0
0
0
35
63
11
6
1
1
12

Precipitation Amount (mm)

0
0
0
0.4
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
20
21
23
22
23
21
18
17
15
14
12
10
9
10
10
10
11
10
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
6
5
5
5
4
7
6
6
5
4
4
4
3
2
1
1
1
0
-1
-1
-1

Dew Point (°C)

7
7
7
7
5
4
3
4
3
3
3
3
3
2
2
2
2
1
3
4
3
3
3
2

Relative Humidity (%)

71
69
69
66
62
59
58
62
56
58
61
66
70
71
75
78
75
75
85
96
88
88
89
89

Pressure (mb)

1007
1007
1008
1008
1009
1010
1011
1013
1013
1014
1015
1016
1017
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023

Ozone (du)

376
376
380
384
386
387
388
388
389
387
390
394
396
398
399
402
403
399
398
396
395
392
389
388

Monday 6

Waning Gibbous 78%

01:57

No Set

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

Sun - Rise: 06:37, Set: 20:05, Transit: 13:22. Moon - Rise: 01:57, Set: No Set. Civil Dark: 20:41 - 06:01. Nautical Dark: 21:25 - 05:16. Astro Dark: 22:14 - 04:26

Total Clouds (% Sky Obscured)

40
57
53
61
61
56
79
60
55
56
32
20
31
10
3
4
4
3
2
2
6
23
44
66

Low Clouds (% Sky Obscured)

25
53
53
49
36
33
38
38
10
19
14
6
17
9
0
0
0
0
0
0
0
22
44
66

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

30
14
9
19
32
28
59
32
45
32
14
16
27
0
0
1
2
3
2
2
5
2
0
3

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 (%)

21
24
2
2
1
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)

11
12
13
14
15
15
15
15
14
13
12
10
9
7
6
5
5
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
1
3
5
4
4
5
5
5
5
5
4
4
3
3
3
2
2
2
2
1
1
2
2

Dew Point (°C)

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

Relative Humidity (%)

88
80
71
62
50
44
44
43
43
46
51
57
67
75
83
86
88
89
89
89
89
89
88
89

Pressure (mb)

1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

389
389
388
387
387
386
386
385
384
384
384
384
383
382
381
380
376
373
371
369
368
368
370
372

Tuesday 7

Waning Gibbous 69%

02:58

08:09

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

Sun - Rise: 06:35, Set: 20:06, Transit: 13:22. Moon - Rise: 02:58, Set: 08:09. Civil Dark: 20:43 - 05:58. Nautical Dark: 21:27 - 05:13. Astro Dark: 22:17 - 04:23

Total Clouds (% Sky Obscured)

62
48
36
23
12
2
2
2
0
2
1
1
1
0
0
0
0
0
1
1
2
29
56
83

Low Clouds (% Sky Obscured)

55
44
34
22
10
0
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
23
34

High Clouds (% Sky Obscured)

2
3
6
3
3
2
2
2
0
2
1
1
0
0
0
0
0
0
1
1
2
19
39
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
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)

4
5
5
6
6
6
5
5
5
5
5
4
6
5
4
4
4
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-1
-1
-2
-3
-3
-2
-3
-2
-1
-1
2
4
4
2
2
1
0
-1
-1
-2
-2
-1
-1

Relative Humidity (%)

80
67
56
46
41
37
36
35
35
37
40
54
67
73
72
75
75
75
72
74
74
77
79
79

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

373
373
373
373
374
375
375
375
375
376
378
379
379
381
382
382
381
381
379
380
381
380
381
382

Wednesday 8

Waning Gibbous 60%

03:44

08:54

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

Sun - Rise: 06:32, Set: 20:08, Transit: 13:21. Moon - Rise: 03:44, Set: 08:54. Civil Dark: 20:45 - 05:56. Nautical Dark: 21:30 - 05:11. Astro Dark: 22:20 - 04:20

Total Clouds (% Sky Obscured)

77
74
67
70
69
67
70
76
74
76
66
53
10
14
14
21
21
14
10
7
8
12
16
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
4
12
3
3
6
9
11
17
19
14
10
7
6
10
14
18

Medium Clouds (% Sky Obscured)

29
24
21
22
25
28
33
35
41
41
33
29
10
14
14
21
21
14
10
7
8
12
14
20

High Clouds (% Sky Obscured)

52
44
34
49
25
21
32
41
50
52
55
53
0
0
0
0
0
0
10
7
8
12
16
20

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 (%)

1
1
0
0
0
0
0
0
0
0
0
0
8
6
1
0
0
0
2
0
0
4
3
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
5
7
7
9
10
10
9
7
6
5
3
3
3
2
2
2
1
-1
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

70
59
49
44
40
38
40
43
46
52
61
68
72
72
72
71
74
79
81
83
84
86
81
77

Pressure (mb)

1028
1028
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1027
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

384
385
386
387
387
388
388
390
393
396
397
396
395
396
397
398
398
399
399
399
399
399
401
402

Thursday 9

Waning Gibbous 50%

04:17

09:54

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

Sun - Rise: 06:30, Set: 20:10, Transit: 13:21. Moon - Rise: 04:17, Set: 09:54. Civil Dark: 20:47 - 05:53. Nautical Dark: 21:32 - 05:08. Astro Dark: 22:23 - 04:16

Total Clouds (% Sky Obscured)

16
16
13
12
11
10
4
2
0
0
0
0
0
6
10
13
16
15
17
22
20
24
24
21

Low Clouds (% Sky Obscured)

14
14
13
12
11
10
4
2
0
0
0
0
0
3
3
3
3
3
4
3
4
3
2
1

Medium Clouds (% Sky Obscured)

16
16
13
12
11
10
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
10
0
4
11
10
4
2
0
0
0
0
0
0
0
0
0
0
1
2
3
5
8
11

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

Precipitation Probability (%)

4
8
9
14
15
6
27
37
45
39
37
28
31
22
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
3
5
6
7
8
9
10
10
10
9
7
6
5
4
3
2
1
1
0
-0
-1
1
2

Feels Like (°C)

-3
-1
0
1
1
1
2
7
7
6
7
6
7
2
2
3
2
2
1
-3
-3
-2
-1
-1

Dew Point (°C)

-3
-3
-2
-3
-3
-3
-3
-3
-4
-4
-3
-3
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

72
65
60
54
50
46
42
40
38
36
42
49
57
60
64
69
70
73
74
75
75
77
71
66

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

403
404
404
405
405
406
406
407
407
408
409
411
412
417
423
428
426
424
423
422
421
420
422
425

Friday 10

Third Quarter 48%

04:40

11:06

08 OK
09 OK
10 OK
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 OK
01 OK

Sun - Rise: 06:28, Set: 20:12, Transit: 13:21. Moon - Rise: 04:40, Set: 11:06. Civil Dark: 20:48 - 05:51. Nautical Dark: 21:34 - 05:05. Astro Dark: 22:25 - 04:13

Total Clouds (% Sky Obscured)

23
24
28
51
66
78
77
75
74
79
84
90
78
66
54
46
39
33

Low Clouds (% Sky Obscured)

1
0
0
0
0
3
4
5
13
17
23
35
37
35
28
20
10
0

Medium Clouds (% Sky Obscured)

0
0
0
3
6
10
14
20
24
31
40
49
43
35
27
18
9
0

High Clouds (% Sky Obscured)

15
19
23
41
55
73
55
37
19
36
50
64
50
34
16
16
15
16

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
0
0
0
0
0
0
3
4
1
0
0
5
4
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
4
6
7
8
9
10
9
9
8
7
6
6
4
3
2
1
0

Feels Like (°C)

-1
-0
0
0
0
1
2
6
6
5
5
5
5
0
-1
-1
-1
-2

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-4
-4
-3
-3
-3
-3
-3
-4
-4
-5
-5
-4

Relative Humidity (%)

60
53
46
41
39
38
37
41
44
47
49
51
53
57
60
63
66
71

Pressure (mb)

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

Ozone (du)

428
429
430
431
432
432
432
433
433
434
438
443
448
457
466
476
480
484

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

Generated: 04/04/26 08:15:26. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+2.00