Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

19:19

01:46

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

Sun - Rise: 06:32, Set: 20:37, Transit: 13:34. Moon - Rise: 19:19, Set: 01:46. Civil Dark: 21:13 - 05:57. Nautical Dark: 21:58 - 05:12. Astro Dark: 22:49 - 04:22

Total Clouds (% Sky Obscured)

29
34
12
6
3
15
2
0
0
0
0
1
0
0
0
25
29
29
34
61
50
53
41
40

Low Clouds (% Sky Obscured)

8
2
0
0
0
0
0
0
0
0
0
0
0
0
0
22
23
24
20
19
13
14
5
17

Medium Clouds (% Sky Obscured)

5
1
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
6
2
15
1
0
0
0
0
0
0
0
0
1
1
1
9
35
35
30
30
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
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
3
3
4
5
4
4
4
4
4
4
5
6
7
7
7
7
8
8
8
9
9
10

Chance of Frost

Temperature (°C)

17
15
14
13
13
12
12
11
11
11
10
10
12
14
15
17
18
19
20
20
21
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
61
63
68
74
73
73
76
77
78
80
80
73
65
56
48
42
37
34
33
33
34
38
44

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1018
1017

Ozone (du)

344
344
343
343
341
341
341
341
342
341
340
338
337
337
335
333
331
327
323
321
320
320
320
319

Monday 24

Waxing Gibbous 90%

19:42

02:57

20 Good
21 Good
22 Good
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
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: 06:34, Set: 20:35, Transit: 13:33. Moon - Rise: 19:42, Set: 02:57. Civil Dark: 21:10 - 05:58. Nautical Dark: 21:55 - 05:14. Astro Dark: 22:46 - 04:24

Total Clouds (% Sky Obscured)

4
3
3
19
2
14
3
25
19
25
78
77
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
49
50
55
57
71

Medium Clouds (% Sky Obscured)

0
0
0
0
2
12
2
0
0
0
2
22
2
4
40
35
40
40
40
100
100
69
100
100

High Clouds (% Sky Obscured)

1
1
1
9
1
8
2
15
15
20
78
70
100
100
100
100
100
100
86
75
70
58
62
53

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
1
1
1
0
1
2
14
8
11
20
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
14
13
13
12
13
11
11
11
11
12
13
14
16
17
19
20
21
22
21
19
19

Dew Point (°C)

8
9
8
7
6
6
6
6
6
6
6
6
6
7
6
7
9
9
9
9
16
14
12
12

Relative Humidity (%)

49
55
59
57
56
57
58
59
60
62
63
63
58
54
48
45
46
44
42
41
63
62
60
59

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

320
320
321
321
318
315
315
313
314
312
311
312
312
312
311
311
310
309
311
312
311
311
311
310

Tuesday 25

Waxing Gibbous 95%

20:00

04:12

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: 06:36, Set: 20:33, Transit: 13:33. Moon - Rise: 20:00, Set: 04:12. Civil Dark: 21:08 - 06:00. Nautical Dark: 21:52 - 05:16. Astro Dark: 22:43 - 04:27

Total Clouds (% Sky Obscured)

100
100
83
81
57
75
100
100
100
100
100
99
100
97
99
100
100
100
92
85
46
40
33
42

Low Clouds (% Sky Obscured)

75
81
57
57
35
52
53
35
40
56
56
55
52
57
76
83
78
68
59
35
23
28
28
29

Medium Clouds (% Sky Obscured)

100
100
45
45
48
54
88
87
62
64
97
95
71
70
86
78
60
49
48
55
30
24
15
5

High Clouds (% Sky Obscured)

62
64
18
2
0
5
65
65
55
50
52
52
98
68
92
100
100
97
82
67
9
7
9
27

ISS Passover

Visibility (miles)

6
9
9
9
5
6
9
9
9
9
9
9
5
9
4
5
4
3
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
Light Rain
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

Precipitation Probability (%)

65
90
89
59
54
33
21
32
24
18
28
40
43
44
37
38
37
28
23
19
22
23
25
18

Precipitation Amount (mm)

0.3
0.9
1.3
0.2
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
6
7
8
9
8
6
6
6
6
5
5
5
6
8
7
6
7
6
5
4
4
4
3

Chance of Frost

Temperature (°C)

20
18
17
16
17
17
17
17
17
16
16
16
17
17
19
20
21
21
22
22
22
23
22
22

Feels Like (°C)

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

Dew Point (°C)

16
16
14
14
14
15
15
14
15
15
14
14
15
16
17
18
19
19
20
20
19
18
17
16

Relative Humidity (%)

77
88
83
83
83
86
89
86
87
89
90
90
92
92
86
89
91
89
91
88
85
73
69
69

Pressure (mb)

1013
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

311
312
316
317
319
319
318
314
312
309
309
309
309
308
309
309
309
311
313
314
316
313
310
309

Wednesday 26

Waxing Gibbous 98%

20:00

05:29

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: 06:37, Set: 20:31, Transit: 13:33. Moon - Rise: 20:00, Set: 05:29. Civil Dark: 21:06 - 06:02. Nautical Dark: 21:50 - 05:18. Astro Dark: 22:39 - 04:29

Total Clouds (% Sky Obscured)

76
89
100
99
97
95
68
94
86
91
94
97
92
88
83
89
94
100
100
100
100
100
99
65

Low Clouds (% Sky Obscured)

21
18
3
2
1
0
0
0
0
0
0
0
0
5
17
8
11
14
13
44
57
78
70
17

Medium Clouds (% Sky Obscured)

4
1
0
0
0
0
15
28
73
66
88
87
53
77
68
70
36
43
43
43
90
89
87
31

High Clouds (% Sky Obscured)

68
85
100
98
97
95
55
87
44
78
82
96
85
75
65
77
89
100
100
100
100
100
99
45

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
0
4
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
Light Rain
None
None
None
None
None
None
Moderate Rain
Moderate Rain
Very Light Rain
None

Precipitation Probability (%)

14
8
0
0
0
0
0
0
2
0
12
17
38
91
39
9
8
9
25
61
95
95
95
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0
0
0
0
0
0
4.5
9.9
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
18
18
18
18
18
17
18
18
18
19
21
22
22
23
24
24
25
23
21
21

Feels Like (°C)

23
20
19
18
18
18
18
20
18
18
18
18
17
18
21
22
23
23
25
24
25
24
22
22

Dew Point (°C)

17
18
17
15
15
15
15
15
15
15
15
14
13
13
18
19
17
15
15
15
15
21
19
19

Relative Humidity (%)

79
86
85
82
82
82
83
85
85
85
85
81
73
67
84
81
71
58
57
55
55
87
91
88

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1006
1008
1008

Ozone (du)

309
309
309
311
312
313
312
311
311
310
311
311
311
310
308
309
308
310
310
306
305
297
312
317

Thursday 27

Waxing Gibbous 100%

20:15

06:45

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: 06:39, Set: 20:28, Transit: 13:32. Moon - Rise: 20:15, Set: 06:45. Civil Dark: 21:04 - 06:04. Nautical Dark: 21:47 - 05:20. Astro Dark: 22:36 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
95
96
96
96
93
86
79
69
59
51
55
60
66
77
86
91

Low Clouds (% Sky Obscured)

25
35
48
45
42
47
81
79
77
71
67
40
48
46
42
41
43
44
47
55
63
50
37
23

Medium Clouds (% Sky Obscured)

36
85
43
38
37
100
98
96
94
94
95
96
80
60
38
25
13
2
20
36
50
58
62
67

High Clouds (% Sky Obscured)

100
100
100
100
100
100
85
67
45
40
25
20
69
38
5
2
1
0
0
0
6
11
26
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

41
43
52
95
95
95
95
95
95
91
94
26
41
44
48
30
29
32
22
24
20
34
53
57

Precipitation Amount (mm)

0
0
0.2
0.9
1.5
2
1.1
0.7
0.7
0.5
0.7
0
0
0
0.2
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
19
19
19
18
18
18
17
17
17
16
17
18
19
20
21
22
21
21
21
20
19

Feels Like (°C)

23
20
21
20
19
19
19
18
18
17
17
17
16
16
16
16
17
17
18
23
22
21
21
21

Dew Point (°C)

18
18
18
18
17
18
17
16
16
16
16
16
15
14
14
14
12
10
9
10
10
11
12
13

Relative Humidity (%)

91
93
93
93
92
95
93
90
88
90
93
93
89
82
77
70
60
51
44
47
50
53
59
67

Pressure (mb)

1008
1008
1008
1008
1008
1008
1007
1007
1008
1008
1008
1008
1008
1007
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

312
310
309
308
308
307
308
309
308
311
317
323
328
331
333
336
336
336
337
336
336
335
337
339

Friday 28

Full Moon 99%

20:27

08:02

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: 06:40, Set: 20:26, Transit: 13:32. Moon - Rise: 20:27, Set: 08:02. Civil Dark: 21:01 - 06:05. Nautical Dark: 21:45 - 05:22. Astro Dark: 22:33 - 04:34

Total Clouds (% Sky Obscured)

90
89
89
87
85
84
81
80
80
84
89
93
95
98
100
97
95
92
92
90
91
91
92
94

Low Clouds (% Sky Obscured)

29
38
46
53
58
68
59
53
49
59
66
75
66
60
55
56
69
92
81
67
53
40
27
15

Medium Clouds (% Sky Obscured)

74
82
89
76
60
45
35
27
20
25
33
42
54
64
75
76
77
78
73
68
63
65
67
69

High Clouds (% Sky Obscured)

46
63
64
61
63
70
74
77
77
75
69
64
76
88
100
75
50
30
41
50
70
67
64
61

ISS Passover

Visibility (miles)

9
8
7
7
7
8
9
9
8
7
8
9
9
9
9
9
7
5
3
5
7
9
7
5

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

Precipitation Probability (%)

37
55
76
62
51
44
39
31
25
40
50
56
51
49
48
60
77
88
67
55
49
47
48
52

Precipitation Amount (mm)

0
0.2
0.5
0.2
0
0
0
0
0
0
0
0.3
0
0
0
0.2
0.5
0.8
0.4
0.3
0.2
0.2
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
16
16
15
15
14
14
14
14
14
15
15
16
16
17
18
19
19
20
20
19

Feels Like (°C)

22
17
17
17
16
16
15
14
14
15
15
14
14
13
13
12
14
15
16
16
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

75
81
86
92
90
89
87
87
90
92
92
90
92
84
79
74
77
79
83
80
77
74
76
81

Pressure (mb)

1006
1006
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

341
341
342
342
341
340
339
338
337
336
335
334
333
331
329
327
326
326
325
324
323
322
321
321

Saturday 29

Waning Gibbous 96%

20:39

09:20

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: 06:42, Set: 20:24, Transit: 13:32. Moon - Rise: 20:39, Set: 09:20. Civil Dark: 20:59 - 06:07. Nautical Dark: 21:42 - 05:24. Astro Dark: 22:30 - 04:36

Total Clouds (% Sky Obscured)

87
79
77
85
92
100
92
82
74
79
86
94
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

17
18
22
39
52
61
63
65
65
73
80
88
90
93
96
94
92
89

Medium Clouds (% Sky Obscured)

61
52
43
35
28
20
20
26
26
31
25
25
20
15
15
10
5
5

High Clouds (% Sky Obscured)

52
45
44
69
84
100
85
70
55
52
48
49
49
53
53
67
81
95

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

47
42
40
38
40
48
56
66
74
77
85
95
85
73
59
58
63
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.4
0.6
0.8
0.6
0.4
0.3
0.2
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
17
17
16
15
15
15
15
15
15
15
15
15
16
16
16
17

Feels Like (°C)

17
15
15
15
14
14
14
12
12
13
13
13
12
12
13
13
12
13

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
87
86
86
84
86
86
86
87
87
86
85
85
83
81
79

Pressure (mb)

1010
1010
1010
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010

Ozone (du)

320
320
320
320
321
321
321
320
319
317
316
315
314
312
310
309
306
303

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

Generated: 23/08/26 20:26:59. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+2.00