Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 6%

07:26

00:09

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
09 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)

83
75
85
74
99
89
93
86
72
70
54
53
75
67
66
62
96
100
98
74
80
82
83
79

Low Clouds (% Sky Obscured)

57
52
63
61
99
81
86
72
62
57
44
44
41
64
62
44
41
45
44
54
61
62
62
67

Medium Clouds (% Sky Obscured)

33
52
21
18
28
33
32
30
31
29
11
12
7
35
40
57
94
100
97
67
70
28
43
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
13
10
54
24
20
20
20
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
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
15
0
0
0

Precipitation Type

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

Precipitation Probability (%)

10
44
54
57
64
66
60
63
45
28
7
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
65
55
52
52
49
41
46
49
51
61
68
71
74
76
79
80
82
83
86
86
86
80
68

Pressure (mb)

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

Ozone (du)

419
420
417
415
413
412
410
410
410
408
406
406
408
411
416
420
422
422
422
423
424
426
427
427

Monday 20

Waxing Crescent 14%

08:18

01:32

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 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 OK

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)

69
62
56
79
100
93
94
99
90
88
84
88
96
92
84
87
76
54
47
39
53
56
54
47

Low Clouds (% Sky Obscured)

62
59
43
53
89
89
80
85
85
76
76
84
95
80
80
85
69
54
44
39
48
51
49
41

Medium Clouds (% Sky Obscured)

3
0
24
33
60
52
48
54
40
35
29
35
36
36
17
3
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
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
1
2
2
4
8
16
28
36
33
27
23
20
18
5
16
1
1
0
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
7
6
6
5
5
3
2
3
3
3
3
3
2
2
2
1
1
-1
-1
-1
1

Dew Point (°C)

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

Relative Humidity (%)

55
47
42
39
36
33
35
42
58
81
88
86
86
88
90
88
88
88
86
89
88
86
82
80

Pressure (mb)

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

Ozone (du)

426
425
426
427
429
429
430
427
423
421
417
414
412
412
414
414
415
416
418
419
420
421
420
417

Tuesday 21

Waxing Crescent 23%

09:28

02:36

10 OK
11 OK
12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 OK
18 Good
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
09 Good

Sun - Rise: 06:20, Set: 20:38, Transit: 13:30. Moon - Rise: 09:28, 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)

46
27
56
12
14
45
44
34
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

46
27
56
12
14
18
12
13
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
2
16
19
9
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)

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
4
19
12
9
5
16
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
74
76
82
68
58
59
62
61
68
72
77
79
76
75
76
78
75
76
76
76
67
56

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

415
415
415
416
415
414
413
409
409
412
413
409
406
401
397
396
397
399
402
401
398
393
393
398

Wednesday 22

Waxing Crescent 34%

No Rise

03:20

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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:18, Set: 20:40, Transit: 13:30. Moon - Rise: No Rise, 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
4
7
15
40
68
100
98
95
89
93
98
99
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
54
81
87
94
99
95
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
13
20
23
18
10
8
4
0
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
7
15
24
36
48
43
40
35
31
28
24
22
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
43
38
34
32
30
31
32
35
41
49
56
59
62
64
69
72
75
79
80
80
75
66
59

Pressure (mb)

1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

403
402
403
403
403
398
395
395
395
394
393
391
388
388
386
383
380
377
377
376
375
375
376
375

Thursday 23

Waxing Crescent 46%

10:51

03:50

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
09 Bad

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)

89
88
87
87
84
83
83
80
77
76
81
84
87
87
85
84
86
87
90
94
97
100
97
92

Low Clouds (% Sky Obscured)

87
85
83
82
75
69
67
64
61
55
58
57
60
65
72
79
75
72
69
79
89
100
97
92

Medium Clouds (% Sky Obscured)

2
1
1
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)

18
18
17
16
17
17
17
18
19
20
16
6
0
0
5
0
10
20
30
21
12
4
2
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-3
-1
-1
1
3
3
4
5
6
5
5
5
4
3
3
3
3
3
2
1
2

Relative Humidity (%)

50
42
36
33
33
33
35
40
43
50
59
69
76
82
87
81
75
75
75
75
75
74
72
72

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

374
374
376
378
378
379
380
380
380
380
380
379
384
390
392
395
397
397
396
396
395
394
392
392

Friday 24

First Quarter 57%

12:17

04:11

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
09 Bad

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)

87
80
76
70
71
70
66
73
80
89
77
65
53
56
52
55
51
59
56
60
60
68
65
56

Low Clouds (% Sky Obscured)

87
80
76
70
71
66
57
60
63
61
42
28
13
24
35
46
43
39
36
37
31
34
34
30

Medium Clouds (% Sky Obscured)

0
8
19
26
18
8
0
0
0
0
3
5
8
9
11
11
9
4
2
1
1
0
3
6

High Clouds (% Sky Obscured)

0
0
0
0
11
22
33
43
55
63
70
65
53
56
42
28
27
25
24
18
11
2
2
2

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
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
66
63
59
57
55
53
57
60
63
68
73
77
79
80
82
82
83
83
82
80
79
70

Pressure (mb)

1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

391
391
386
382
378
380
383
385
385
385
385
381
378
374
373
372
371
372
372
372
372
372
372
372

Saturday 25

Waxing Gibbous 68%

13:40

04:26

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:12, Set: 20:45, Transit: 13:29. Moon - Rise: 13:40, Set: 04:26. Civil Dark: 21:21 - 05:35. Nautical Dark: 22:09 - 04:47. Astro Dark: 23:04 - 03:51

Total Clouds (% Sky Obscured)

52
51
50
49
52
52
55
52
46
41
35
29
23
29
35
43
43
39
33
38
41
45

Low Clouds (% Sky Obscured)

25
27
32
39
47
52
55
52
46
40
35
29
22
28
35
36
30
28
25
38
41
45

Medium Clouds (% Sky Obscured)

11
11
9
5
8
10
10
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
2
2
3
2
2
2
2
1
1
1
1
1
1
1
1
1
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

Fog (%)

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

Precipitation Probability (%)

0
2
3
3
10
11
9
10
9
7
6
5
1
3
1
0
0
0
0
8
5
2

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
11
12
13
14
14
14
14
12
10
9
7
6
5
5
4
4
3
3
3
3
3

Feels Like (°C)

7
7
8
7
8
13
11
11
10
11
11
5
5
5
5
5
4
-0
1
1
0
0

Dew Point (°C)

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

Relative Humidity (%)

61
55
50
44
40
40
40
40
46
55
64
67
71
75
75
75
75
74
76
76
74
76

Pressure (mb)

1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1018
1018
1018
1019
1020
1020
1021
1021

Ozone (du)

373
373
373
373
373
373
374
374
376
377
379
378
378
378
381
385
389
390
392
393
396
399

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

Generated: 19/04/26 10:10:07. Forecast: 19/04/26 to 25/04/26. Timezone: UTC+2.00