Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:50

22:37

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:26, Set: 20:33, Transit: 13:31. Moon - Rise: 06:50, Set: 22:37. Civil Dark: 21:09 - 05:50. Nautical Dark: 21:53 - 05:05. Astro Dark: 22:44 - 04:14

Total Clouds (% Sky Obscured)

98
100
100
83
100
98
88
94
90
100
75
100
100
100
100
100
99
91
91
90
85
62
58
69

Low Clouds (% Sky Obscured)

10
13
2
69
69
44
19
36
34
41
55
74
73
85
84
94
64
51
42
50
60
56
58
69

Medium Clouds (% Sky Obscured)

75
23
63
76
97
90
69
85
86
90
74
62
53
53
43
52
40
55
55
60
41
6
0
0

High Clouds (% Sky Obscured)

98
100
70
30
2
15
11
3
5
94
19
46
86
81
81
67
77
72
75
75
75
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
4
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
1
0
100

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
8
9
8
34
44
62
35
50
76
71
76
46
58
26
21
10
5
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0
0
0.5
0.3
0.6
0
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
13
14
16
17
15
15
16
16
15
14
13
12
11
11
10
9
8
8
7
6
6
5
6

Feels Like (°C)

10
11
13
15
14
13
13
14
14
13
13
12
11
10
9
7
7
6
8
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

66
63
58
55
58
69
65
70
66
67
84
87
90
93
91
88
85
85
90
90
90
91
93
86

Pressure (mb)

1021
1021
1021
1021
1020
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

354
355
356
360
361
363
366
369
371
376
379
382
381
381
381
382
384
386
388
392
397
406
413
415

Sunday 19

Waxing Crescent 6%

07:26

00:09

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

Sun - Rise: 06:24, Set: 20:35, Transit: 13:30. Moon - Rise: 07:26, Set: 00:09. Civil Dark: 21:10 - 05:48. Nautical Dark: 21:56 - 05:03. Astro Dark: 22:47 - 04:10

Total Clouds (% Sky Obscured)

88
92
90
65
86
67
74
86
69
64
56
65
31
44
85
43
50
54
52
58
71
76
90
79

Low Clouds (% Sky Obscured)

86
76
75
47
75
53
47
71
66
59
55
47
31
44
76
43
50
53
48
51
60
56
77
54

Medium Clouds (% Sky Obscured)

0
41
23
20
21
15
32
22
0
0
0
28
0
0
20
0
0
4
43
58
11
14
17
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
15
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
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 (%)

13
7
26
40
45
49
45
54
47
22
9
5
1
2
0
0
0
0
0
1
1
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
8
9
9
11
11
11
10
10
9
9
7
4
4
4
4
3
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
6
8
7
7
7
8
8
7
7
6
7
6
5
4
5
4
3
2
2
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

78
73
74
68
58
56
54
55
58
56
56
57
63
70
75
81
83
86
88
88
89
91
91
83

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

418
420
420
420
419
418
417
417
416
414
413
411
410
411
412
412
412
413
414
415
414
414
413
411

Monday 20

Waxing Crescent 14%

08:18

01:32

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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

Sun - Rise: 06:22, Set: 20:36, Transit: 13:30. Moon - Rise: 08:18, Set: 01:32. Civil Dark: 21:12 - 05:46. Nautical Dark: 21:58 - 05:00. Astro Dark: 22:50 - 04:07

Total Clouds (% Sky Obscured)

87
80
78
71
69
38
100
92
100
90
78
69
83
81
95
100
100
98
96
95
92
90
87
91

Low Clouds (% Sky Obscured)

70
65
67
52
54
23
32
51
47
79
68
53
77
76
94
100
100
97
95
92
85
77
70
80

Medium Clouds (% Sky Obscured)

18
14
16
31
15
12
45
33
40
32
28
33
40
33
37
42
41
36
33
26
20
15
16
15

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)

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
4
16
6
1
1
2
10
17
29
29
14
14
14
17
16
24
15
16
23
15
14
7
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
63
51
45
39
35
34
34
36
42
47
72
83
85
82
82
82
80
83
86
88
88
88
88

Pressure (mb)

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

Ozone (du)

410
410
411
413
416
418
420
420
421
422
422
422
422
419
417
416
414
412
410
408
406
405
404
404

Tuesday 21

Waxing Crescent 23%

No Rise

02:36

09 Bad
10 Bad
11 Bad
12 Bad
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
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 06:20, Set: 20:38, Transit: 13:30. Moon - Rise: No Rise, Set: 02:36. Civil Dark: 21:14 - 05:44. Nautical Dark: 22:00 - 04:58. Astro Dark: 22:53 - 04:04

Total Clouds (% Sky Obscured)

96
100
100
100
100
86
72
58
40
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

90
100
81
63
47
41
38
35
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
10
19
27
30
20
12
8
4
3
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)

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 (%)

6
7
26
25
13
22
10
8
4
3
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
11
11
11
11
12
11
10
9
8
8
9
9
8
6
6
5
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
3
3
5
6
7
7
8
9
9
7
7
4
5
5
5
5
4
3
3
3
3
3
5

Dew Point (°C)

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

Relative Humidity (%)

86
83
65
61
55
53
53
52
46
45
46
52
54
58
62
65
66
67
66
67
68
69
67
60

Pressure (mb)

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

Ozone (du)

403
404
405
404
404
405
407
407
405
402
400
402
404
403
401
399
397
397
396
395
393
392
391
388

Wednesday 22

Waxing Crescent 34%

09:28

03:20

09 Good
10 Good
11 Good
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 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 06:18, Set: 20:40, Transit: 13:30. Moon - Rise: 09:28, Set: 03:20. Civil Dark: 21:16 - 05:41. Nautical Dark: 22:02 - 04:55. Astro Dark: 22:56 - 04:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
14
21
14
10
6
6
12
17
16

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
14
20
14
10
6
5
5
5
5

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
7
13
20
14
10
6
6
12
17
16

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
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)

6
7
7
8
9
9
9
9
9
8
7
6
5
5
4
4
4
3
3
3
2
2
1
1

Chance of Frost

Temperature (°C)

8
10
12
13
14
14
15
15
15
14
13
12
11
9
9
8
7
7
6
6
6
6
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
43
38
33
29
28
29
31
34
36
43
52
57
61
67
69
71
74
75
78
79
78
76
75

Pressure (mb)

1025
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1022
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

389
390
391
393
395
400
402
402
402
400
396
393
391
390
388
388
388
387
385
384
382
381
380
379

Thursday 23

Waxing Crescent 46%

10:51

03:50

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

Sun - Rise: 06:16, Set: 20:41, Transit: 13:30. Moon - Rise: 10:51, Set: 03:50. Civil Dark: 21:18 - 05:39. Nautical Dark: 22:04 - 04:52. Astro Dark: 22:58 - 03:57

Total Clouds (% Sky Obscured)

15
20
19
19
19
22
27
29
27
27
24
30
32
34
37
46
54
47
37
23
24
24
24
23

Low Clouds (% Sky Obscured)

5
5
5
4
4
0
0
0
0
3
2
2
2
0
0
0
0
2
3
5
10
18
24
23

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)

15
1
6
9
12
12
11
10
12
20
24
30
32
34
37
46
54
47
37
22
18
13
7
5

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 (%)

2
0
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
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)

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

Chance of Frost

Temperature (°C)

9
10
12
13
14
15
16
16
16
15
14
13
11
10
8
7
7
6
5
5
5
5
5
5

Feels Like (°C)

8
9
9
9
10
11
15
14
13
13
13
14
10
10
10
9
9
8
4
5
5
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

64
55
47
39
34
29
31
32
34
39
44
49
58
69
82
84
85
86
88
89
91
89
86
83

Pressure (mb)

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

Ozone (du)

379
380
380
380
380
380
379
379
378
379
380
381
384
387
390
392
393
395
393
391
389
390
390
390

Friday 24

First Quarter 57%

12:17

04:11

09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 Good
17 Good
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK

Sun - Rise: 06:14, Set: 20:43, Transit: 13:29. Moon - Rise: 12:17, Set: 04:11. Civil Dark: 21:20 - 05:37. Nautical Dark: 22:06 - 04:50. Astro Dark: 23:01 - 03:54

Total Clouds (% Sky Obscured)

26
37
40
46
48
34
20
5
13
23
32
30
27
26
35
40
43

Low Clouds (% Sky Obscured)

26
37
40
46
48
34
20
2
8
18
27
26
25
24
35
40
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
24
43

High Clouds (% Sky Obscured)

4
3
4
4
5
5
4
3
2
1
0
1
3
3
18
37
43

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
74
68
65
60
58
55
51
48
51
56
58
66
74
81
82
82

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012
1011
1011
1011
1012
1011
1011

Ozone (du)

390
389
389
386
382
379
379
379
378
379
379
380
379
379
378
379
381

Forecast for Velbert, Düsseldorf District, Germany (51.34,7.04)

Generated: 18/04/26 09:56:17. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+2.00