Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 11%

06:48

00:27

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

Sun - Rise: 05:19, Set: 21:23, Transit: 13:21. Moon - Rise: 06:48, Set: 00:27. Civil Dark: 22:08 - 04:33. Nautical Dark: 23:14 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
57
46
24
25
27
15
22
26
34
55
57
73
50
71
85
93
96
96
99
100
100
100
100

Low Clouds (% Sky Obscured)

16
23
24
24
25
25
15
22
26
34
48
47
36
16
34
30
27
35
60
65
49
42
29
60

Medium Clouds (% Sky Obscured)

25
3
2
2
0
0
0
0
0
0
0
28
41
34
26
73
88
87
91
97
94
86
90
69

High Clouds (% Sky Obscured)

0
0
0
0
4
4
4
3
4
4
24
9
31
4
43
70
65
60
65
73
34
64
93
93

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
87
65
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
24
40
41
34
13
17
34
39
19
24
15
42
54
60

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
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
8
8
7
7
7
8
10
12
13
15
16
16
17
18
18
17
17
17
16
15
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
93
94
94
95
90
84
78
74
73
67
63
58
61
77
83
86
85
87
89
92

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

420
426
423
409
400
395
390
384
380
376
373
369
366
364
361
361
362
366
368
370
371
371
372
371

Wednesday 20

Waxing Crescent 20%

08:11

01:20

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:17, Set: 21:25, Transit: 13:21. Moon - Rise: 08:11, Set: 01:20. Civil Dark: 22:10 - 04:32. Nautical Dark: 23:16 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
97
88
100
97
98
100
100
96
99
84
99
95
96
66
67
48
54
42
37
39
65

Low Clouds (% Sky Obscured)

65
79
98
88
69
76
77
76
89
100
80
61
61
83
45
58
35
51
27
34
36
30
38
37

Medium Clouds (% Sky Obscured)

100
100
99
94
83
66
48
39
88
83
84
93
80
68
43
37
43
23
21
22
10
4
3
25

High Clouds (% Sky Obscured)

100
88
60
60
60
36
13
27
57
5
7
4
4
3
3
0
0
0
0
0
0
0
1
0

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
8
8
9
9
9
5
7
5
5
4
5
5
8
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
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

84
49
19
6
1
9
43
46
63
38
22
28
38
39
50
62
68
67
67
55
16
6
1
0

Precipitation Amount (mm)

0.7
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
10
9
9
9
10
10
10
11
12
13
15
15
15
14
15
15
15
15
14
13
13

Dew Point (°C)

11
11
11
11
11
11
11
11
11
12
13
13
12
13
13
13
13
13
13
13
13
12
11
11

Relative Humidity (%)

93
96
98
96
96
95
96
95
93
96
95
83
75
77
74
74
78
78
82
85
86
89
90
92

Pressure (mb)

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

Ozone (du)

371
373
374
376
376
381
381
377
375
377
378
380
379
382
376
376
372
369
369
370
371
373
379
379

Thursday 21

Waxing Crescent 31%

09:42

01:53

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:16, Set: 21:26, Transit: 13:21. Moon - Rise: 09:42, Set: 01:53. Civil Dark: 22:12 - 04:30. Nautical Dark: 23:19 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
80
91
93
100
100
92
86
72
82
77
80
88
89
97
98
94
86
57
68
69
94
84
87

Low Clouds (% Sky Obscured)

27
34
62
41
70
84
56
50
40
39
44
44
38
53
40
65
30
23
8
52
51
37
43
31

Medium Clouds (% Sky Obscured)

35
41
34
41
75
80
54
66
33
67
58
56
67
60
94
86
86
69
35
33
32
27
25
20

High Clouds (% Sky Obscured)

0
13
13
10
10
5
5
27
10
2
0
1
4
19
15
30
18
5
9
6
3
55
35
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
6
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
5
18
5
0
0
0
21
31
25
25
30
28
31
32
18
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
11
11
12
12
13
13
13
13
13
14
14
15
14
14
14
15
15
15
14

Relative Humidity (%)

92
92
93
95
95
95
93
96
90
87
82
74
68
67
67
70
71
69
72
76
83
89
92
90

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028

Ozone (du)

376
373
367
361
357
353
353
349
345
343
343
342
340
338
338
338
337
336
336
335
333
332
331
331

Friday 22

Waxing Crescent 42%

11:12

02:15

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 OK
16 OK
17 OK
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 Good

Sun - Rise: 05:15, Set: 21:28, Transit: 13:21. Moon - Rise: 11:12, Set: 02:15. Civil Dark: 22:14 - 04:28. Nautical Dark: 23:22 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
61
74
82
87
78
87
83
81
72
84
50
54
71
53
40
36
47
57
60
40
21
2
5

Low Clouds (% Sky Obscured)

22
8
10
12
14
9
6
4
6
10
13
15
18
23
26
22
22
19
15
11
7
4
0
0

Medium Clouds (% Sky Obscured)

20
17
22
29
42
68
69
58
42
35
30
34
41
39
39
33
23
28
32
34
23
10
0
0

High Clouds (% Sky Obscured)

55
55
58
60
52
38
46
41
34
28
39
21
10
2
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)

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

Chance of Frost

Temperature (°C)

14
14
13
12
12
12
12
14
15
17
18
20
21
22
23
23
24
24
24
24
23
21
19
18

Feels Like (°C)

14
13
12
11
11
12
12
13
15
16
19
20
22
23
24
26
27
27
27
27
25
23
21
19

Dew Point (°C)

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

Relative Humidity (%)

90
92
90
90
92
93
92
92
84
78
69
65
61
59
56
57
58
58
60
69
76
79
80
82

Pressure (mb)

1028
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

331
331
331
330
329
328
326
325
328
329
330
332
333
334
333
332
331
332
333
334
334
334
333
333

Saturday 23

First Quarter 53%

12:38

02:30

00 Good
01 Good
02 OK
03 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:13, Set: 21:29, Transit: 13:21. Moon - Rise: 12:38, Set: 02:30. Civil Dark: 22:15 - 04:27. Nautical Dark: 23:24 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
7
19
31
49
66
76
96
93
86
85
90
92
100
100
100
100
100
100
100
89
78
68
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
8
13
17
14
12
12
14
15
15
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
3
5
7
18
3
3
3
3
2
1
1
6
12
18
25
30
34
26

High Clouds (% Sky Obscured)

3
3
19
30
48
65
72
93
91
82
84
89
92
100
100
100
100
100
99
99
89
78
68
61

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

Chance of Frost

Temperature (°C)

17
16
16
15
15
14
15
16
18
20
21
23
24
25
26
26
26
26
26
25
24
21
19
17

Feels Like (°C)

18
18
17
16
16
15
15
18
18
20
22
23
24
25
26
26
27
26
27
27
28
22
22
22

Dew Point (°C)

15
15
15
14
14
13
14
15
15
16
16
17
17
18
18
18
18
17
18
19
19
18
17
16

Relative Humidity (%)

89
90
93
92
93
92
92
90
85
78
73
70
66
64
62
61
59
57
63
69
75
80
85
93

Pressure (mb)

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

Ozone (du)

332
332
330
328
327
327
326
327
327
328
330
331
331
331
332
333
333
334
336
338
341
340
339
339

Sunday 24

Waxing Gibbous 64%

13:58

02:42

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 OK
17 OK
18 OK
19 Good
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 05:12, Set: 21:30, Transit: 13:21. Moon - Rise: 13:58, Set: 02:42. Civil Dark: 22:17 - 04:25. Nautical Dark: 23:27 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
65
74
84
94
82
69
57
61
64
69
71
70
71
64
52
43
31
20
10
23
37
53
49

Low Clouds (% Sky Obscured)

6
2
9
17
18
16
11
5
15
25
35
25
17
11
12
11
12
8
4
0
4
7
11
11

Medium Clouds (% Sky Obscured)

21
22
16
12
12
10
16
17
20
20
21
21
20
22
15
9
2
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

54
65
72
82
91
67
46
24
30
39
42
40
39
24
5
6
6
7
8
9
6
3
3
3

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

Precipitation Probability (%)

1
1
5
19
32
44
16
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
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
6
6
6
7
8
8
8
8
8
9
9
9
10
10
11
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
13
13
12
12
13
13
14
14
13
13
12
12
11
11
12
12
13
13
13
12
11
10

Relative Humidity (%)

93
92
92
93
93
95
93
90
90
81
74
67
62
58
54
56
58
59
65
71
77
80
84
88

Pressure (mb)

1025
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031

Ozone (du)

336
333
331
330
329
328
326
325
323
322
321
321
321
321
321
320
320
320
319
317
316
314
312
311

Monday 25

Waxing Gibbous 74%

15:15

02:52

Sun - Rise: 05:11, Set: 21:32, Transit: 13:21. Moon - Rise: 15:15, Set: 02:52. Civil Dark: 22:19 - 04:24. Nautical Dark: 23:30 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Altstadt, Germany (53.08,8.80)

Generated: 19/05/26 00:19:02. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+2.00