Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

03:14

10:23

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:04, Set: 20:52, Transit: 13:29. Moon - Rise: 03:14, Set: 10:23. Civil Dark: 21:30 - 05:26. Nautical Dark: 22:18 - 04:37. Astro Dark: 23:18 - 03:37

Total Clouds (% Sky Obscured)

99
100
86
95
96
100
100
84
100
100
100
96
87
80
79
77
84
84
46
46
60
57
70
100

Low Clouds (% Sky Obscured)

10
34
34
66
40
5
1
2
1
0
1
6
10
10
10
1
1
10
0
0
9
10
12
0

Medium Clouds (% Sky Obscured)

89
95
94
58
49
59
83
48
85
100
100
96
87
80
79
76
79
79
35
2
2
2
2
0

High Clouds (% Sky Obscured)

96
61
70
18
84
84
100
71
100
100
100
73
70
55
7
0
0
3
0
32
67
34
78
100

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
1
1
0
2
7
33
43
26
12
2
2
5
23
7
8
4
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)

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

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
13
12
12
12
12
12
13
14
16
17
19
21
22
23
23
23
23
22

Feels Like (°C)

15
14
13
13
12
12
12
11
10
11
10
11
12
13
15
16
19
19
20
23
24
22
22
21

Dew Point (°C)

10
10
10
10
10
9
9
9
9
9
9
8
9
11
14
15
11
11
11
11
10
11
11
13

Relative Humidity (%)

64
68
74
76
78
75
75
79
83
83
83
77
74
83
87
87
60
52
51
45
44
46
48
59

Pressure (mb)

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

Ozone (du)

401
401
400
399
395
393
391
390
391
391
392
393
389
386
385
384
384
382
381
382
383
385
386
384

Tuesday 30

Waning Gibbous 53%

03:45

11:48

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
10 Bad
11 Bad
12 Bad
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:02, Set: 20:54, Transit: 13:29. Moon - Rise: 03:45, Set: 11:48. Civil Dark: 21:31 - 05:24. Nautical Dark: 22:21 - 04:35. Astro Dark: 23:21 - 03:34

Total Clouds (% Sky Obscured)

100
100
100
100
61
91
45
45
50
66
67
100
100
100
100
92
59
37
57
100
100
100
55
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
0
1
2
7
10
10
10
10
5
2
36
6
33
9
5
3

Medium Clouds (% Sky Obscured)

2
2
2
30
50
91
35
22
4
3
40
39
29
18
2
10
0
0
12
0
1
1
14
0

High Clouds (% Sky Obscured)

100
100
100
100
73
88
65
65
70
34
32
100
100
100
100
51
73
45
36
100
100
100
80
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
2
9
9
3
4
9
9
9
9
9
9
9
9
9
9
3

Fog (%)

0
0
0
0
0
0
0
0
0
13
45
70
53
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
5
5
15
41
39
59
50
47
8
2
1
0
0
0
0
0
3
30
25
39
62
70
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
18
17
17
16
16
15
14
14
13
13
13
14
16
18
20
22
23
25
25
25
25
24
23

Feels Like (°C)

19
17
16
16
16
15
15
15
14
14
14
15
15
17
18
21
22
24
25
26
24
24
22
21

Dew Point (°C)

14
15
14
14
14
14
14
13
13
13
13
13
14
15
16
17
16
15
14
13
13
15
16
17

Relative Humidity (%)

69
80
83
85
86
89
90
93
95
98
98
100
96
92
88
81
70
58
51
45
45
51
60
72

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1006
1006
1005
1004
1003
1003
1002
1002

Ozone (du)

382
380
379
378
379
379
382
386
388
388
389
385
381
380
380
381
381
380
379
377
376
374
373
372

Wednesday 1

Third Quarter 41%

04:08

13:16

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
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:01, Set: 20:55, Transit: 13:29. Moon - Rise: 04:08, Set: 13:16. Civil Dark: 21:33 - 05:22. Nautical Dark: 22:23 - 04:33. Astro Dark: 23:24 - 03:30

Total Clouds (% Sky Obscured)

61
60
60
50
45
45
53
62
73
74
75
80
75
76
78
21
26
53
58
87
88
75
64
52

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
19
20
12
0
0
0
0
0
3
24
42
43
38
58
40
35
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
31
35
40
45
50
36
5
3
2
5
16
24
30
67
67
54
14
30

High Clouds (% Sky Obscured)

74
75
65
65
65
65
70
65
72
80
80
85
85
85
87
11
0
0
6
55
45
35
40
15

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
7

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

16
6
2
1
0
0
3
9
13
19
1
0
0
0
4
13
32
54
89
95
95
95
95
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1
1.2
0.6
1
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
18
17
16
15
15
14
14
13
14
15
18
20
22
23
24
24
23
22
22
20
19

Feels Like (°C)

22
20
18
17
16
16
15
14
14
13
13
13
15
18
20
21
24
25
25
24
22
20
19
18

Dew Point (°C)

18
17
16
16
15
15
14
13
13
12
12
12
12
13
13
13
13
13
14
17
19
20
19
19

Relative Humidity (%)

80
88
88
89
90
90
89
89
90
89
89
87
82
73
66
58
53
51
53
66
81
88
92
95

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
1000
1000
1000
1000
1001

Ozone (du)

373
375
375
376
376
375
374
374
375
373
373
372
372
373
374
376
377
378
377
374
372
373
371
371

Thursday 2

Waning Crescent 30%

04:25

14:44

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:59, Set: 20:57, Transit: 13:29. Moon - Rise: 04:25, Set: 14:44. Civil Dark: 21:35 - 05:20. Nautical Dark: 22:25 - 04:30. Astro Dark: 23:27 - 03:27

Total Clouds (% Sky Obscured)

66
77
92
92
91
90
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
41
46
55
66
78
85
93
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94

Medium Clouds (% Sky Obscured)

35
50
65
63
62
57
61
58
72
60
20
8
9
12
15
28
45
60
64
68
67
70
95
100

High Clouds (% Sky Obscured)

47
62
75
65
59
50
54
58
65
65
19
13
75
64
37
38
87
80
64
80
71
77
89
100

ISS Passover

Visibility (miles)

6
4
6
1
1
2
1
1
1
2
5
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

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

Precipitation Probability (%)

76
70
88
95
90
81
79
81
80
66
58
60
64
56
17
19
23
17
30
33
33
50
64
78

Precipitation Amount (mm)

0.3
0.2
0.4
0.9
0.5
0.6
0.6
0.6
0.5
0.2
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
17
16
15
14
14
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

16
15
13
12
11
11
10
10
10
10
9
9
9
9
9
9
9
9
9
10
10
10
10
10

Dew Point (°C)

18
16
15
14
13
13
12
13
12
12
12
11
11
11
11
11
10
10
9
8
8
7
6
7

Relative Humidity (%)

96
93
93
96
96
96
96
98
96
96
96
96
95
96
95
92
90
86
81
76
72
69
65
70

Pressure (mb)

1001
1002
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1013
1013

Ozone (du)

371
371
372
372
375
377
375
376
378
374
371
368
367
366
364
361
361
360
359
358
357
356
355
355

Friday 3

Waning Crescent 19%

04:39

16:12

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

Sun - Rise: 05:57, Set: 20:58, Transit: 13:29. Moon - Rise: 04:39, Set: 16:12. Civil Dark: 21:37 - 05:18. Nautical Dark: 22:27 - 04:28. Astro Dark: 23:31 - 03:23

Total Clouds (% Sky Obscured)

100
100
100
77
53
24
7
6
6
30
33
48
61
54
47
61
67
69
79
89
100
100
100
100

Low Clouds (% Sky Obscured)

83
69
56
33
15
1
1
1
1
1
1
1
1
2
3
14
26
39
39
37
37
24
15
5

Medium Clouds (% Sky Obscured)

100
93
90
74
23
2
2
0
2
8
39
53
41
30
22
26
26
26
41
56
72
75
78
82

High Clouds (% Sky Obscured)

83
63
40
40
40
38
4
6
6
42
21
45
84
73
62
60
59
54
59
66
73
80
86
93

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

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

Precipitation Probability (%)

73
66
53
43
29
3
2
0
0
0
0
0
1
1
0
11
14
12
13
11
5
9
11
13

Precipitation Amount (mm)

0.4
0.3
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
6
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

11
11
11
11
10
10
9
9
9
9
9
10
11
13
14
16
16
17
18
18
18
19
18
17

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
8
8
8
7
8
8
7
7
6
6
6
6
6
6
6
6
6
7

Relative Humidity (%)

76
77
77
80
83
85
88
91
91
91
91
87
78
66
58
51
48
48
46
45
43
42
46
50

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010

Ozone (du)

354
354
354
355
356
356
357
357
357
361
363
365
367
371
375
379
379
379
379
377
375
374
374
373

Saturday 4

Waning Crescent 11%

04:52

17:39

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:55, Set: 21:00, Transit: 13:28. Moon - Rise: 04:52, Set: 17:39. Civil Dark: 21:39 - 05:16. Nautical Dark: 22:29 - 04:25. Astro Dark: 23:34 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

18
31
43
55
66
76
76
75
75
79
82
86
86
85
86
87
88
89
90
92
93
86
82
76

Medium Clouds (% Sky Obscured)

88
94
100
97
94
91
93
96
100
99
97
96
92
88
85
77
70
63
76
88
100
86
72
59

High Clouds (% Sky Obscured)

92
91
85
80
80
80
86
93
99
100
100
100
100
100
100
91
82
72
82
90
100
97
97
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
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
55
68
59
46
27
22
15
7
46
64
79
63
50
33
35
39
45
64
79
88
85
83
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
13
12
12
12
12
11
11
11
11
11
11
12
12
13
13
14
14
14
13
13
12

Feels Like (°C)

16
14
14
14
13
13
12
9
9
8
8
7
7
8
8
8
9
9
9
10
10
10
9
10

Dew Point (°C)

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

Relative Humidity (%)

56
66
76
89
87
84
81
80
80
79
77
77
77
76
73
72
75
76
78
79
80
83
86
89

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011

Ozone (du)

373
374
374
375
375
375
375
374
374
373
375
378
380
381
383
384
384
385
386
387
388
390
393
397

Sunday 5

Waning Crescent 4%

05:05

19:09

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:54, Set: 21:02, Transit: 13:28. Moon - Rise: 05:05, Set: 19:09. Civil Dark: 21:41 - 05:14. Nautical Dark: 22:32 - 04:23. Astro Dark: 23:38 - 03:15

Total Clouds (% Sky Obscured)

98
97
96
88
80
72
80
88
93
95
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
55
40
41
43
44
44
42
37
52
69
81
81
82
80
79
78
76

Medium Clouds (% Sky Obscured)

62
65
63
47
26
5
10
16
21
44
69
94
96
98
100
99
98
97

High Clouds (% Sky Obscured)

96
96
93
83
75
65
72
82
89
92
96
100
98
97
96
88
80
76

ISS Passover

Visibility (miles)

8
8
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

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

Precipitation Probability (%)

62
42
15
14
12
10
9
7
4
10
16
22
35
48
62
66
69
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
9
7
6
5
5
5
5
5
5
5
6
6
7
7
7
6
6

Chance of Frost

Temperature (°C)

12
11
11
10
10
9
9
9
9
9
9
10
10
11
11
11
11
12

Feels Like (°C)

9
8
9
8
8
8
7
7
7
7
7
7
7
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
91
93
93
95
95
95
95
93
91
90
90
87
87
87
87

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

401
403
406
408
409
409
409
409
408
408
408
409
409
410
411
411
411
411

Forecast for Erkrath, Düsseldorf District, Germany (51.22,6.91)

Generated: 29/04/24 20:11:31. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+2.00