Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 97%

20:48

04:00

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

Sun - Rise: 05:51, Set: 21:27, Transit: 13:38. Moon - Rise: 20:48, Set: 04:00. Civil Dark: 22:08 - 05:10. Nautical Dark: 23:04 - 04:14. Astro Dark: 00:29 - 02:52

Total Clouds (% Sky Obscured)

91
91
84
79
72
70
33
20
0
0
21
14
48
66
67
76
34
27
23
10
8
7
9
7

Low Clouds (% Sky Obscured)

79
78
80
67
60
58
25
18
0
0
16
0
11
10
13
20
22
16
8
2
0
0
5
1

Medium Clouds (% Sky Obscured)

45
38
32
31
24
24
6
0
0
0
3
10
12
11
14
2
0
0
3
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
24
35
32
35
6
4
8
7
7
6
2
4

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
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)

11
11
11
10
11
10
9
7
5
3
2
2
1
2
3
3
4
4
5
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
19
19
19
18
18
17
17
16
16
16
14
13
12
11
14
16
18
20
21
23
24

Dew Point (°C)

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

Relative Humidity (%)

51
50
47
43
39
43
45
52
57
61
63
67
68
69
69
69
70
69
61
53
45
40
36
34

Pressure (mb)

1016
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1021
1021

Ozone (du)

338
338
337
337
337
337
337
337
336
335
335
334
332
332
331
331
329
329
328
327
327
327
325
324

Tuesday 28

Waxing Gibbous 100%

21:16

05:13

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

Sun - Rise: 05:52, Set: 21:25, Transit: 13:38. Moon - Rise: 21:16, Set: 05:13. Civil Dark: 22:06 - 05:11. Nautical Dark: 23:02 - 04:16. Astro Dark: 00:24 - 02:56

Total Clouds (% Sky Obscured)

3
4
45
41
50
53
60
67
60
72
61
61
60
54
24
6
5
6
0
0
0
0
3
0

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
7
42
18
11
35
50
55
55
55
42
22
22
6
4
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
45
41
39
52
49
49
9
67
61
61
55
48
2
0
0
0
0
0
0
0
2
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
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

25
26
26
26
26
26
25
24
22
21
21
20
21
21
20
20
21
21
23
24
26
28
29
30

Feels Like (°C)

25
27
27
28
28
28
27
25
22
22
21
21
22
21
21
21
21
22
23
24
25
27
29
30

Dew Point (°C)

8
8
8
8
8
9
11
12
11
10
10
10
11
11
11
11
11
11
11
9
9
9
8
8

Relative Humidity (%)

32
31
30
30
31
33
41
49
50
51
50
51
53
54
54
55
54
53
47
39
34
30
26
24

Pressure (mb)

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

Ozone (du)

323
321
321
321
321
321
322
321
322
321
320
319
318
318
319
320
320
321
319
321
321
320
319
319

Wednesday 29

Full Moon 100%

21:37

06:29

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

Sun - Rise: 05:54, Set: 21:24, Transit: 13:38. Moon - Rise: 21:37, Set: 06:29. Civil Dark: 22:04 - 05:13. Nautical Dark: 23:00 - 04:18. Astro Dark: 00:19 - 03:01

Total Clouds (% Sky Obscured)

0
0
0
1
10
69
24
27
52
44
2
2
13
40
40
46
60
56
39
42
48
52
75
78

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
1
10
64
24
25
19
0
0
0
0
0
0
6
23
26
30
34
38
34
33
36

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
45
44
2
2
13
40
40
46
45
39
2
0
0
12
44
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
0
0
0
0
0
0
0
1
3
5
4

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

Chance of Frost

Temperature (°C)

32
32
33
33
33
32
31
29
27
26
26
25
24
23
23
23
23
24
26
28
29
31
32
34

Feels Like (°C)

31
33
34
33
32
31
29
29
26
26
26
25
23
22
21
21
22
23
25
28
29
31
31
31

Dew Point (°C)

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

Relative Humidity (%)

23
21
20
19
20
24
30
35
34
34
36
35
34
35
39
38
43
46
42
34
28
23
19
19

Pressure (mb)

1016
1015
1015
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

317
317
317
318
319
320
320
319
319
319
320
321
321
320
319
317
316
317
316
315
312
312
313
317

Thursday 30

Waning Gibbous 98%

21:53

07:44

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:55, Set: 21:22, Transit: 13:38. Moon - Rise: 21:53, Set: 07:44. Civil Dark: 22:03 - 05:15. Nautical Dark: 22:57 - 04:20. Astro Dark: 00:15 - 03:05

Total Clouds (% Sky Obscured)

59
64
67
63
89
55
54
74
91
95
100
100
100
100
100
100
100
100
100
100
100
83
69
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
4
7
6
6
5
4
3
2
6
15
17

Medium Clouds (% Sky Obscured)

33
26
24
21
16
15
16
16
15
23
27
33
38
41
40
42
44
42
47
50
100
83
68
47

High Clouds (% Sky Obscured)

48
64
67
63
77
40
44
64
86
91
100
100
100
100
100
100
100
100
100
100
100
77
53
35

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 (%)

25
30
26
26
22
13
14
10
1
12
18
23
35
41
46
47
37
20
24
19
22
11
8
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)

12
11
10
9
9
7
5
5
5
4
3
4
4
3
2
1
1
2
3
4
5
6
7
8

Chance of Frost

Temperature (°C)

34
34
34
33
32
31
29
27
26
24
23
23
22
22
22
21
21
21
21
22
24
24
25
25

Feels Like (°C)

32
34
33
33
31
29
30
27
25
23
22
22
22
21
22
22
21
22
21
22
23
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

19
17
16
16
16
19
23
27
34
37
42
48
51
52
54
55
57
58
52
46
40
36
33
34

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

318
315
314
315
313
312
310
309
309
308
307
306
305
305
305
305
305
306
306
305
305
303
303
303

Friday 31

Waning Gibbous 94%

22:07

09:00

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

Sun - Rise: 05:57, Set: 21:20, Transit: 13:38. Moon - Rise: 22:07, Set: 09:00. Civil Dark: 22:01 - 05:16. Nautical Dark: 22:55 - 04:23. Astro Dark: 00:11 - 03:09

Total Clouds (% Sky Obscured)

58
65
73
69
66
65
64
58
59
69
44
60
59
55
51
45
36
24
16
12
6
32
58
84

Low Clouds (% Sky Obscured)

20
65
55
69
66
65
44
23
22
31
37
52
45
38
36
33
29
24
16
8
0
11
19
21

Medium Clouds (% Sky Obscured)

54
58
63
57
41
33
10
6
4
51
25
34
33
33
34
25
12
2
3
4
4
9
13
18

High Clouds (% Sky Obscured)

30
30
35
27
23
35
50
42
45
45
0
0
0
0
0
0
0
0
1
1
1
12
23
34

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 (%)

4
11
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
8
8
5
4
5
6
8
7
7
6
5
5
4
4
5
5
6
6
6
6
5
4

Chance of Frost

Temperature (°C)

25
25
24
24
23
23
22
21
19
19
18
17
17
16
16
15
16
16
16
18
20
21
23
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
33
50
52
56
55
54
60
66
59
59
61
60
61
63
64
65
67
68
54
43
34
32
28

Pressure (mb)

1015
1015
1016
1015
1015
1016
1016
1016
1017
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

304
306
308
312
313
313
315
316
319
323
328
334
336
334
333
331
331
331
330
330
329
328
328
327

Saturday 1

Waning Gibbous 88%

22:18

10:15

14 Bad
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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: 05:58, Set: 21:19, Transit: 13:38. Moon - Rise: 22:18, Set: 10:15. Civil Dark: 21:59 - 05:18. Nautical Dark: 22:53 - 04:25. Astro Dark: 00:06 - 03:13

Total Clouds (% Sky Obscured)

65
47
27
42
57
71
59
46
31
51
72
89
85
83
85
86
86
83
82
80
78
80
81
81

Low Clouds (% Sky Obscured)

5
1
0
0
0
0
0
0
3
3
3
5
6
9
7
3
5
3
2
2
2
2
1
3

Medium Clouds (% Sky Obscured)

13
7
0
12
27
37
32
41
31
37
34
31
36
44
52
50
48
43
49
58
67
71
76
81

High Clouds (% Sky Obscured)

26
26
27
25
21
21
13
9
8
16
28
47
56
65
73
73
73
73
69
63
57
55
52
50

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
1
2
0
1
2
2
1
1
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
5
6
7
7
8
8
7
7
6
5
4
4
4
4
4
5
5
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

25
26
26
27
26
25
24
23
22
21
20
19
18
17
17
16
16
17
17
19
20
22
23
24

Feels Like (°C)

21
25
26
26
26
27
27
22
22
22
22
22
22
16
16
16
16
16
16
17
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

26
25
25
24
26
28
30
36
44
54
55
56
57
60
61
64
61
59
57
52
47
42
40
37

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

327
325
324
322
321
319
318
317
316
315
316
316
316
316
317
317
318
319
319
321
323
324
324
324

Sunday 2

Waning Gibbous 80%

22:30

11:32

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:00, Set: 21:17, Transit: 13:38. Moon - Rise: 22:30, Set: 11:32. Civil Dark: 21:57 - 05:20. Nautical Dark: 22:50 - 04:27. Astro Dark: 00:02 - 03:17

Total Clouds (% Sky Obscured)

84
87
89
69
44
20
17
16
14
27
45
57
57
52
50
41
41
42

Low Clouds (% Sky Obscured)

4
7
14
10
7
2
1
1
0
0
0
0
0
0
0
2
2
2

Medium Clouds (% Sky Obscured)

80
77
73
56
40
20
17
16
14
26
35
45
40
36
28
35
41
42

High Clouds (% Sky Obscured)

42
38
31
21
6
1
1
0
0
0
0
0
20
43
50
41
41
42

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
2
13
26
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
26
26
25
25
25
23
22
21
20
20
19
18
17
17
18
18

Feels Like (°C)

18
23
23
23
23
23
24
22
22
22
22
23
22
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

36
34
34
33
33
33
33
36
40
45
49
53
57
62
67
73
72
71

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

325
325
326
327
327
327
327
327
326
326
325
324
324
324
323
323
323
323

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

Generated: 27/07/26 14:19:35. Forecast: 27/07/26 to 02/08/26. Timezone: UTC+2.00