Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

05:50

20:59

02 Good
03 OK
04 OK
05 Bad
06 Bad
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: 06:14, Set: 20:25, Transit: 13:19. Moon - Rise: 05:50, Set: 20:59. Civil Dark: 21:02 - 05:36. Nautical Dark: 21:50 - 04:48. Astro Dark: 22:46 - 03:52

Total Clouds (% Sky Obscured)

14
29
44
75
93
91
100
100
98
100
100
85
98
100
99
100
100
99
98
100
94
91
94
99

Low Clouds (% Sky Obscured)

0
14
20
26
34
33
45
33
27
16
26
46
71
28
37
59
51
47
38
47
29
72
45
32

Medium Clouds (% Sky Obscured)

0
29
25
34
41
36
82
100
94
85
68
75
94
93
78
71
86
91
94
95
62
51
47
37

High Clouds (% Sky Obscured)

5
6
34
64
87
84
100
100
87
100
100
56
42
65
86
100
94
92
80
96
76
73
76
96

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
1
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)

2
2
2
1
1
1
2
2
3
4
4
4
4
4
4
5
7
7
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
6
6
6
7
9
10
12
13
14
15
16
16
16
15
14
13
12
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
88
87
84
77
69
65
62
58
55
53
51
50
51
61
68
73
76
75
76
76
77

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

380
378
379
378
376
375
376
374
372
370
370
368
367
364
363
361
359
356
355
355
354
355
356
357

Saturday 18

Waxing Crescent 2%

06:05

22:36

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:11, Set: 20:26, Transit: 13:19. Moon - Rise: 06:05, Set: 22:36. Civil Dark: 21:04 - 05:34. Nautical Dark: 21:53 - 04:45. Astro Dark: 22:49 - 03:48

Total Clouds (% Sky Obscured)

100
99
85
90
73
91
86
88
100
100
100
100
100
100
100
100
98
93
97
92
98
100
100
100

Low Clouds (% Sky Obscured)

22
53
68
43
20
20
15
15
15
2
9
5
54
37
55
64
73
66
90
84
75
86
79
81

Medium Clouds (% Sky Obscured)

37
42
45
34
28
43
36
44
89
99
99
94
86
100
99
99
97
91
79
69
61
66
68
45

High Clouds (% Sky Obscured)

75
44
10
56
73
75
84
77
100
100
100
100
94
90
55
85
51
45
32
46
94
100
94
63

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
1
0
0
1
1
1
1
0
2
20
33
39
30
52
78
62
73
95
95
87
61
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.6
1.3
1.1
0.8
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
13
14
16
18
18
18
18
16
16
16
14
13
12
12
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
75
75
75
73
73
71
68
62
54
52
49
55
79
75
74
83
86
93
95
96
96
98

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

357
357
357
358
359
359
359
359
359
360
360
362
363
363
363
363
364
365
367
370
372
372
373
376

Sunday 19

Waxing Crescent 6%

06:26

00:13

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:09, Set: 20:28, Transit: 13:19. Moon - Rise: 06:26, Set: 00:13. Civil Dark: 21:06 - 05:31. Nautical Dark: 21:55 - 04:42. Astro Dark: 22:53 - 03:45

Total Clouds (% Sky Obscured)

100
89
81
97
100
100
100
96
99
90
99
83
81
82
95
100
100
100
94
89
76
68
71
71

Low Clouds (% Sky Obscured)

100
89
81
95
86
79
96
88
87
75
66
47
53
65
83
83
74
56
59
63
63
53
56
59

Medium Clouds (% Sky Obscured)

50
50
55
30
35
66
65
85
90
61
75
37
28
24
38
51
60
35
29
27
27
29
28
33

High Clouds (% Sky Obscured)

70
75
81
97
29
100
20
15
15
10
10
5
0
0
9
5
8
0
0
0
0
0
0
0

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
2
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

6
0
0
0
0
0
0
0
0
16
4
18
6
30
48
67
65
32
23
17
4
10
12
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
94
94
96
94
93
88
82
76
66
57
54
60
68
71
72
76
77
78
77
85
91
93

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

379
381
380
378
378
379
385
389
392
396
398
401
405
408
407
410
411
413
413
415
416
415
414
415

Monday 20

Waxing Crescent 14%

06:58

01:38

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:07, Set: 20:30, Transit: 13:19. Moon - Rise: 06:58, Set: 01:38. Civil Dark: 21:08 - 05:29. Nautical Dark: 21:57 - 04:40. Astro Dark: 22:56 - 03:41

Total Clouds (% Sky Obscured)

83
89
86
97
98
100
100
100
100
100
100
100
100
100
100
97
95
92
91
90
89
88
89
88

Low Clouds (% Sky Obscured)

59
64
68
73
84
83
82
76
72
79
87
100
96
92
88
87
85
84
84
85
85
66
63
53

Medium Clouds (% Sky Obscured)

34
32
36
93
97
100
100
100
100
100
99
99
99
100
93
92
86
85
80
78
63
28
28
28

High Clouds (% Sky Obscured)

18
41
18
58
64
71
81
89
100
80
57
20
5
0
0
0
2
2
10
10
12
15
12
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
2
2
2
7
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

23
25
19
12
7
9
47
95
95
95
95
90
88
82
79
71
63
56
42
36
30
25
20
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
1.3
2.2
1.6
0.8
0.5
0.6
0.6
0.6
0.4
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
3
2
3
3
3
3
2
2
3
4
5
4
4
4
4
5
4
3
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
93
94
90
88
87
93
94
96
94
96
94
94
94
94
93
94
93
88
86
90
91

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023

Ozone (du)

415
416
415
414
413
413
411
408
406
404
402
400
399
399
397
394
393
391
391
394
395
395
397
399

Tuesday 21

Waxing Crescent 23%

07:47

No Set

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

Sun - Rise: 06:05, Set: 20:32, Transit: 13:18. Moon - Rise: 07:47, Set: No Set. Civil Dark: 21:10 - 05:26. Nautical Dark: 22:00 - 04:37. Astro Dark: 22:59 - 03:37

Total Clouds (% Sky Obscured)

84
88
86
74
59
45
28
14
0
23
47
53
39
34
30
22
19
17
33
52
67
78
89
100

Low Clouds (% Sky Obscured)

51
45
46
44
33
28
17
9
0
10
19
25
20
15
12
11
10
9
8
6
0
1
4
3

Medium Clouds (% Sky Obscured)

27
27
27
21
15
8
6
3
0
17
27
35
35
34
25
22
19
17
33
28
40
37
38
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
20
42
53
39
34
30
22
19
17
33
45
40
60
80
99

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 (%)

15
12
6
8
9
8
6
4
0
0
0
0
9
12
11
21
25
32
27
23
16
12
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
93
91
85
76
67
57
50
46
44
46
47
49
51
55
57
63
68
75
73
73

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

400
398
400
402
402
397
394
395
395
395
397
396
396
396
396
396
395
394
392
394
396
398
400
401

Wednesday 22

Waxing Crescent 34%

08:58

02:42

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

Sun - Rise: 06:03, Set: 20:34, Transit: 13:18. Moon - Rise: 08:58, Set: 02:42. Civil Dark: 21:13 - 05:24. Nautical Dark: 22:02 - 04:34. Astro Dark: 23:03 - 03:33

Total Clouds (% Sky Obscured)

99
98
100
90
77
68
44
27
7
17
28
39
39
30
19
13
7
1
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
2
4
6
17
28
39
39
30
18
11
6
1
1
0
0
0
1
1

Medium Clouds (% Sky Obscured)

28
14
0
21
41
58
38
20
2
1
1
0
0
1
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
71
57
49
38
30
25
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
5
6
7
8
8
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
8
12
13
23
30
36
30
22
9
11
9
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)

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

Chance of Frost

Temperature (°C)

4
3
3
3
4
5
6
8
11
13
14
14
15
15
15
15
13
11
10
8
7
5
5
5

Feels Like (°C)

2
0
1
1
1
1
1
5
6
7
8
8
9
14
13
13
14
13
13
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
70
68
67
65
61
57
54
55
56
55
56
58
59
63
70
74
75
78
80
76
75

Pressure (mb)

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

Ozone (du)

402
402
401
400
400
400
400
402
403
404
404
404
404
403
402
401
401
401
400
400
399
398
396
394

Thursday 23

Waxing Crescent 46%

10:24

03:24

Sun - Rise: 06:00, Set: 20:36, Transit: 13:18. Moon - Rise: 10:24, Set: 03:24. Civil Dark: 21:15 - 05:21. Nautical Dark: 22:05 - 04:31. Astro Dark: 23:06 - 03:29

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 17/04/26 02:00:32. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00