Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 17

Waxing Crescent 5%

06:22

22:32

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

Sun - Rise: 05:43, Set: 20:56, Transit: 13:20. Moon - Rise: 06:22, Set: 22:32. Civil Dark: 21:33 - 05:06. Nautical Dark: 22:21 - 04:18. Astro Dark: 23:21 - 03:17

Total Clouds (% Sky Obscured)

76
80
77
68
40
43
73
57
83
76
78
96
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
6
0
3
4
2
4
2
9
7
2
2
2
2
17
24
50
80
82
47
58
70
85
62

Medium Clouds (% Sky Obscured)

76
80
69
63
30
30
41
44
21
30
27
82
98
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

66
3
2
0
3
3
34
33
69
67
63
55
65
60
72
100
71
100
99
100
100
96
49
84

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
8
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
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
6
0
0
0
0
0
0
0
0
0
0
1
1
5
15
22
31
36
53
68
72
67

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
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
4
4
2
1
1
1
1
2
2
2
1
1
2
2
4
3
3
4
5
1
0
5
7

Relative Humidity (%)

45
59
61
60
61
65
68
74
76
78
78
76
78
76
68
64
59
59
66
68
58
57
75
87

Pressure (mb)

1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

389
389
384
383
384
385
386
386
386
385
385
385
386
387
387
387
388
388
389
390
391
391
391
392

Monday 18

Waxing Crescent 11%

07:28

23:46

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
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

Sun - Rise: 05:42, Set: 20:58, Transit: 13:20. Moon - Rise: 07:28, Set: 23:46. Civil Dark: 21:35 - 05:05. Nautical Dark: 22:23 - 04:16. Astro Dark: 23:24 - 03:14

Total Clouds (% Sky Obscured)

95
97
99
100
83
85
52
49
30
27
34
44
91
94
100
98
99
91
91
100
100
93
93
100

Low Clouds (% Sky Obscured)

63
59
46
29
28
18
16
21
24
23
21
34
40
49
53
20
67
77
71
56
51
45
47
45

Medium Clouds (% Sky Obscured)

95
97
99
82
74
85
40
35
13
2
7
3
5
29
58
45
77
72
81
100
100
92
93
100

High Clouds (% Sky Obscured)

66
70
70
69
6
0
1
4
0
3
8
8
76
81
100
94
86
51
45
100
100
50
18
1

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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 (%)

51
37
19
18
11
3
1
0
0
0
0
0
0
0
0
0
2
22
31
31
19
33
35
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
7
6
5
5
3
5
4
5
4
3
3
3
7
8
10
10
10
9
9
10
10
12

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
91
93
93
91
91
91
89
91
89
91
89
85
81
72
63
60
67
72
76
81
89

Pressure (mb)

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

Ozone (du)

391
393
395
396
391
383
380
380
376
371
367
362
357
354
353
353
351
351
350
351
352
357
361
368

Tuesday 19

Waxing Crescent 20%

08:46

00:43

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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:41, Set: 20:59, Transit: 13:20. Moon - Rise: 08:46, Set: 00:43. Civil Dark: 21:36 - 05:03. Nautical Dark: 22:25 - 04:14. Astro Dark: 23:26 - 03:12

Total Clouds (% Sky Obscured)

92
95
92
70
100
84
69
61
98
98
98
96
93
94
89
81
95
99
76
74
75
90
96
92

Low Clouds (% Sky Obscured)

45
63
87
57
41
64
68
51
96
94
81
88
48
40
30
27
33
38
39
49
47
35
20
16

Medium Clouds (% Sky Obscured)

92
91
82
36
98
52
52
52
97
96
89
51
34
33
33
22
34
56
43
36
40
43
41
38

High Clouds (% Sky Obscured)

16
6
9
5
76
52
52
2
4
40
0
2
40
35
30
36
68
93
76
6
3
25
29
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
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

40
29
7
3
7
35
77
91
95
95
33
7
23
26
9
17
33
36
28
30
27
29
30
31

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
0.7
0.9
1
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
93
93
93
91
93
93
93
93
93
91
90
87
80
70
62
57
53
50
47
47
49

Pressure (mb)

1020
1021
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

368
363
362
361
359
358
357
356
354
354
354
354
351
349
349
348
347
346
347
347
346
344
345
345

Wednesday 20

Waxing Crescent 18%

10:09

01:24

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

Sun - Rise: 05:40, Set: 21:00, Transit: 13:20. Moon - Rise: 10:09, Set: 01:24. Civil Dark: 21:37 - 05:02. Nautical Dark: 22:26 - 04:13. Astro Dark: 23:29 - 03:09

Total Clouds (% Sky Obscured)

86
80
74
70
62
53
56
29
12
11
8
6
5
6
15
37
64
67
71
74
66
58
54
49

Low Clouds (% Sky Obscured)

16
15
14
16
13
9
5
0
1
3
4
3
1
0
5
12
18
12
6
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
32
26
22
18
13
8
4
2
1
0
0
0
0
2
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

40
45
45
50
49
45
56
29
8
6
5
3
4
5
8
26
52
60
63
72
61
52
39
32

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 (%)

38
26
21
15
1
2
1
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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
11
10
10
9
8
8
8
8
9
10
11
13
15
17
18
19
20
20
20
20

Feels Like (°C)

12
12
13
12
10
9
9
8
9
9
9
8
10
11
13
14
15
16
17
18
18
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

56
67
78
83
86
88
90
91
90
91
93
91
95
91
84
78
69
65
62
58
53
49
48
49

Pressure (mb)

1026
1026
1027
1027
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1028
1028
1027
1027
1027
1026

Ozone (du)

346
348
348
348
346
344
340
337
336
335
336
336
336
336
335
332
331
330
329
327
327
326
325
324

Thursday 21

Waxing Crescent 31%

11:31

01:53

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

Sun - Rise: 05:39, Set: 21:01, Transit: 13:21. Moon - Rise: 11:31, Set: 01:53. Civil Dark: 21:39 - 05:01. Nautical Dark: 22:28 - 04:11. Astro Dark: 23:32 - 03:07

Total Clouds (% Sky Obscured)

49
47
49
49
39
38
9
8
4
0
0
0
0
0
69
67
74
67
60
53
56
55
40
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
37
42
51
48
44
40
45
45
40
33

Medium Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
0
0
0
0
0
38
38
33
30
27
26
24
22
23
20

High Clouds (% Sky Obscured)

26
21
34
39
27
27
6
4
2
0
0
0
0
0
60
28
0
0
0
0
1
2
3
2

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

Chance of Frost

Temperature (°C)

20
19
17
16
14
13
13
12
11
10
10
10
11
12
13
15
17
18
19
19
20
20
20
20

Feels Like (°C)

18
18
17
15
13
13
13
13
13
12
12
12
12
14
15
16
16
16
16
16
17
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

57
69
78
87
89
93
93
93
93
93
95
96
95
95
89
80
74
67
62
57
53
51
49
47

Pressure (mb)

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

Ozone (du)

324
323
322
321
322
322
322
321
319
320
320
320
322
322
322
322
322
322
322
321
321
320
320
319

Friday 22

Waxing Crescent 42%

12:49

02:16

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

Sun - Rise: 05:38, Set: 21:02, Transit: 13:21. Moon - Rise: 12:49, Set: 02:16. Civil Dark: 21:40 - 05:00. Nautical Dark: 22:30 - 04:10. Astro Dark: 23:34 - 03:05

Total Clouds (% Sky Obscured)

27
25
28
30
37
42
45
46
39
31
22
18
15
14
10
7
2
3
5
6
6
5
6
9

Low Clouds (% Sky Obscured)

27
25
28
28
29
32
31
36
33
25
18
16
12
11
8
5
2
2
2
2
1
1
0
2

Medium Clouds (% Sky Obscured)

18
20
15
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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
1
1
0
1
1
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
2
2
2
4
5
5
5
4
4
3
3
3
2
2
3
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

20
19
18
16
15
14
13
13
12
12
11
11
12
13
13
16
17
19
20
20
21
21
21
21

Feels Like (°C)

22
23
24
18
18
19
18
18
17
13
13
14
14
13
12
17
18
18
18
18
18
24
22
22

Dew Point (°C)

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

Relative Humidity (%)

56
65
77
81
84
87
89
90
90
92
91
93
90
87
84
78
71
65
59
54
49
47
45
43

Pressure (mb)

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

Ozone (du)

319
319
318
318
318
318
318
318
318
319
319
319
320
320
320
321
321
321
322
323
324
325
325
326

Saturday 23

First Quarter 53%

14:02

02:34

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

Sun - Rise: 05:37, Set: 21:04, Transit: 13:21. Moon - Rise: 14:02, Set: 02:34. Civil Dark: 21:41 - 04:59. Nautical Dark: 22:31 - 04:09. Astro Dark: 23:37 - 03:02

Total Clouds (% Sky Obscured)

11
14
14
15
16
13
10
5
5
5
5
5
5
4
5
6
7
5
3
1

Low Clouds (% Sky Obscured)

4
6
7
9
11
7
4
0
0
0
0
0
0
0
2
4
6
4
2
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
16
15
13
12
12
11
11
10
10
11
12
12
14
16
17
18
19

Feels Like (°C)

22
23
23
18
19
19
17
17
16
13
13
13
13
12
12
16
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

52
63
78
82
86
92
92
92
92
93
93
93
91
89
86
79
72
65
60
55

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

327
328
329
330
331
333
333
334
335
336
336
337
338
338
339
341
343
345
345
345

Forecast for Lettenboden, Bezirk Pfäffikon, Switzerland (47.38,8.92)

Generated: 17/05/26 18:46:49. Forecast: 17/05/26 to 23/05/26. Timezone: UTC+2.00