Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 92%

23:29

07:20

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
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:59, Set: 20:10, Transit: 13:34. Moon - Rise: 23:29, Set: 07:20. Civil Dark: 20:44 - 06:25. Nautical Dark: 21:25 - 05:41. Astro Dark: 22:10 - 04:56

Total Clouds (% Sky Obscured)

94
95
94
93
98
71
89
97
93
78
97
91
90
100
62
97
82
100
51
84
92
93
100
99

Low Clouds (% Sky Obscured)

92
80
70
87
98
71
89
97
84
66
94
61
51
51
57
46
0
7
0
0
0
0
0
58

Medium Clouds (% Sky Obscured)

73
48
30
0
0
0
0
5
19
17
31
66
69
93
38
27
58
55
32
20
55
55
60
47

High Clouds (% Sky Obscured)

94
74
75
28
2
0
0
45
3
2
8
54
27
20
15
93
62
20
4
56
73
81
100
96

ISS Passover

Visibility (miles)

8
8
2
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
2
15
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
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
12
17
29
33
37
32
24
17
4
0
1
0
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0
0.2
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)

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

Chance of Frost

Temperature (°C)

10
9
9
9
10
10
10
11
12
13
14
14
13
13
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
95
95
93
90
74
71
65
68
61
66
70
74
76
76
81
84
87
84
77
76
76
71

Pressure (mb)

1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012

Ozone (du)

378
376
375
372
372
374
375
375
376
377
376
377
376
375
379
374
374
377
374
375
374
371
369
368

Sunday 5

Waning Gibbous 85%

00:43

07:39

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
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:56, Set: 20:11, Transit: 13:34. Moon - Rise: 00:43, Set: 07:39. Civil Dark: 20:45 - 06:22. Nautical Dark: 21:27 - 05:38. Astro Dark: 22:12 - 04:53

Total Clouds (% Sky Obscured)

100
99
100
100
100
89
96
99
98
99
98
79
97
100
98
94
88
84
63
76
100
92
78
75

Low Clouds (% Sky Obscured)

84
70
90
85
72
52
54
50
49
77
71
62
68
69
77
66
40
41
27
61
63
47
58
66

Medium Clouds (% Sky Obscured)

74
97
62
100
89
68
88
81
52
50
41
23
40
55
56
41
42
34
0
0
7
0
0
0

High Clouds (% Sky Obscured)

83
59
100
100
100
58
39
81
53
54
41
8
75
26
10
49
20
23
50
61
100
82
59
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
5
16
21
7
13
6
23
25
8
5
15
17
23
29
25
5
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)

13
14
16
16
16
17
18
19
19
18
17
16
14
13
11
8
8
9
10
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
5
6
2
2
1
-0
-2
-2
-3
-2
0
1
2
2
2
2
2
2
2
2

Relative Humidity (%)

64
61
65
68
69
70
51
52
48
44
40
39
40
45
54
61
70
71
74
78
80
82
83
86

Pressure (mb)

1012
1013
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1023
1024
1025
1025
1026
1026
1027
1027

Ozone (du)

365
363
364
366
367
370
374
374
375
376
377
376
373
371
373
376
374
372
373
372
371
373
372
372

Monday 6

Waning Gibbous 78%

01:51

08:04

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 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:54, Set: 20:13, Transit: 13:34. Moon - Rise: 01:51, Set: 08:04. Civil Dark: 20:47 - 06:20. Nautical Dark: 21:29 - 05:36. Astro Dark: 22:14 - 04:50

Total Clouds (% Sky Obscured)

82
79
70
84
85
82
96
100
99
98
93
92
98
98
87
68
27
14
3
3
1
1
1
0

Low Clouds (% Sky Obscured)

58
44
27
23
7
18
28
49
60
59
58
54
43
28
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
33
22
0
9
3
3
2
2
2
2
0
0
0
0
0

High Clouds (% Sky Obscured)

66
61
55
71
82
71
93
100
95
93
70
76
91
97
87
68
27
14
3
3
1
1
1
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
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
85
78
63
51
43
39
37
36
36
36
36
41
44
47
51
54
57
58
61
63
64
64

Pressure (mb)

1028
1028
1029
1029
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

372
370
371
372
372
371
369
368
368
366
366
365
364
364
364
364
364
365
366
366
366
367
367
367

Tuesday 7

Waning Gibbous 75%

02:51

08:38

06 Good
07 Good
08 Good
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 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:52, Set: 20:15, Transit: 13:33. Moon - Rise: 02:51, Set: 08:38. Civil Dark: 20:49 - 06:18. Nautical Dark: 21:31 - 05:33. Astro Dark: 22:17 - 04:47

Total Clouds (% Sky Obscured)

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

Low 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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
3
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

4
4
5
7
9
11
13
14
15
15
16
16
15
14
12
11
10
9
9
8
8
8
7
7

Feels Like (°C)

3
3
3
6
8
10
12
12
14
14
15
15
14
12
11
10
9
8
8
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

66
68
63
54
46
41
37
32
30
29
30
30
33
43
57
63
63
64
62
62
63
64
64
62

Pressure (mb)

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

Ozone (du)

367
369
370
370
369
370
370
372
373
376
378
379
380
382
383
384
385
382
377
376
375
372
369
365

Wednesday 8

Waning Gibbous 69%

03:38

09:25

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

Sun - Rise: 06:50, Set: 20:16, Transit: 13:33. Moon - Rise: 03:38, Set: 09:25. Civil Dark: 20:51 - 06:15. Nautical Dark: 21:33 - 05:31. Astro Dark: 22:19 - 04:44

Total Clouds (% Sky Obscured)

2
4
11
26
37
35
38
37
44
54
49
60
89
91
72
66
60
46
31
18
14
15
15
14

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
19
18
14
12
8
4

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
12
25
37
31
35
31
29
18
13
8
6
3
8

High Clouds (% Sky Obscured)

1
2
10
22
29
28
26
25
33
39
47
60
83
91
0
0
0
6
11
17
14
15
15
14

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
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
26
47
58
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
7
8
10
11
12
13
14
14
15
14
11
9
9
9
9
8
7
7
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

58
57
53
46
44
40
35
31
30
29
30
32
35
42
47
50
52
56
55
53
52
56
59
64

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

363
364
364
363
362
362
362
364
366
367
369
368
368
367
368
370
372
374
374
375
376
378
379
381

Thursday 9

Waning Gibbous 60%

04:14

10:24

06 OK
07 OK
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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:48, Set: 20:18, Transit: 13:33. Moon - Rise: 04:14, Set: 10:24. Civil Dark: 20:53 - 06:13. Nautical Dark: 21:35 - 05:28. Astro Dark: 22:21 - 04:41

Total Clouds (% Sky Obscured)

17
21
23
25
31
53
76
98
99
99
100
100
100
100
100
100
100
100
100
100
97
94
92
91

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
5
5
0
0
0
0
3
3
2
2
0
0
0
0
7
12
17
17

Medium Clouds (% Sky Obscured)

11
21
17
8
0
7
10
5
3
2
0
1
3
4
6
7
8
29
50
65
68
72
72
64

High Clouds (% Sky Obscured)

17
21
23
25
31
53
53
58
72
86
100
100
100
100
100
100
100
100
100
100
94
87
80
83

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 (%)

33
10
7
7
7
8
8
10
17
19
19
8
4
0
0
0
0
0
0
2
8
16
9
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
3
4
4
5
5
9
9
9
9
9
9
6
5
6
5
5
5
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

64
62
62
54
47
41
37
34
31
31
31
31
35
39
43
43
45
46
47
48
49
54
59
65

Pressure (mb)

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

Ozone (du)

381
381
381
382
382
383
384
385
386
386
386
386
389
391
394
399
404
409
410
411
412
413
413
413

Friday 10

Third Quarter 50%

04:40

11:33

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 OK
23 OK
00 OK
01 OK

Sun - Rise: 06:45, Set: 20:20, Transit: 13:33. Moon - Rise: 04:40, Set: 11:33. Civil Dark: 20:54 - 06:11. Nautical Dark: 21:37 - 05:26. Astro Dark: 22:24 - 04:38

Total Clouds (% Sky Obscured)

91
91
87
81
65
65
60
60
60
55
50
56
61
61
61
51
41
40
35
30

Low Clouds (% Sky Obscured)

20
20
19
16
11
12
14
14
10
9
8
6
5
2
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

55
49
30
16
2
1
1
0
3
6
8
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

88
91
87
81
65
63
59
40
35
25
20
15
10
10
15
26
41
40
35
30

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

32
3
8
9
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
3
4
4
5
5
6
12
12
11
12
13
14
7
5
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

64
61
59
48
40
33
29
25
23
23
23
23
28
33
41
42
44
47
47
47

Pressure (mb)

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

Ozone (du)

415
418
420
421
422
422
421
420
419
418
417
416
417
419
420
422
424
425
424
424

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

Generated: 04/04/26 06:58:26. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+2.00