Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 3%

04:30

19:38

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:46, Set: 20:54, Transit: 13:20. Moon - Rise: 04:30, Set: 19:38. Civil Dark: 21:30 - 05:10. Nautical Dark: 22:18 - 04:23. Astro Dark: 23:16 - 03:24

Total Clouds (% Sky Obscured)

58
70
69
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
95
89

Low Clouds (% Sky Obscured)

58
34
67
68
68
83
72
76
85
83
72
87
82
93
87
71
63
56
78
89
83
71
81
79

Medium Clouds (% Sky Obscured)

58
37
69
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
51
75
59

High Clouds (% Sky Obscured)

7
64
69
82
100
100
100
100
67
65
60
100
97
100
100
100
100
100
68
64
64
35
21
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
7
9
6
4
4
6
5
4
6
9
9
9
9
9
9

Fog (%)

0
0
2
3
2
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
3
34
2
14
27
53
68
73
68
70
80
84
90
91
95
94
69
62
58
56
55
38
26

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0.4
0.3
0.3
0.5
0.6
0.6
0.6
0.7
0.7
0.2
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
94
88
86
83
83
85
84
78
84
90
93
93
91
94
96
94
94
94
96
96

Pressure (mb)

1002
1002
1002
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1005
1006
1007
1007
1007
1008
1008

Ozone (du)

424
425
425
426
427
426
428
428
428
427
426
421
419
418
418
420
420
422
424
423
423
424
425
426

Saturday 16

New Moon 0%

04:57

21:07

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 OK
23 Bad
00 Bad
01 OK
02 Good

Sun - Rise: 05:45, Set: 20:55, Transit: 13:20. Moon - Rise: 04:57, Set: 21:07. Civil Dark: 21:32 - 05:09. Nautical Dark: 22:20 - 04:21. Astro Dark: 23:19 - 03:22

Total Clouds (% Sky Obscured)

95
99
100
100
96
92
92
100
85
97
100
100
96
100
91
90
85
67
58
42
47
52
15
5

Low Clouds (% Sky Obscured)

85
81
84
89
93
83
88
90
79
58
64
57
68
68
50
28
51
53
43
35
38
30
11
2

Medium Clouds (% Sky Obscured)

81
97
100
98
72
57
34
55
44
94
100
100
93
100
78
79
77
51
43
28
42
52
7
2

High Clouds (% Sky Obscured)

7
20
61
32
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
4
4
4
4
4
4
4
4
9
9
9
9
9
9
9

Fog (%)

2
2
2
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
19
26
39
37
58
71
76
87
89
89
89
82
82
79
69
52
23
16
5
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.4
0.6
0.7
0.7
0.7
0.6
0.6
0.5
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
4
4
4
5
4
4
4
4
5
5
5
6
6
5
4
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
1
2
2
2
2
4
4
5
7
7
6
6
6
6
4
2
2
1
-1
0

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
94
91
90
85
80
74
73
73
73
74
75
82
84
82
86
91
91
91
93

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1016
1017
1017
1017

Ozone (du)

426
425
423
423
423
422
422
419
416
413
410
407
405
405
408
406
400
396
394
393
392
392
393
392

Sunday 17

Waxing Crescent 1%

05:33

22:32

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

Sun - Rise: 05:44, Set: 20:56, Transit: 13:20. Moon - Rise: 05:33, Set: 22:32. Civil Dark: 21:33 - 05:07. Nautical Dark: 22:21 - 04:19. Astro Dark: 23:21 - 03:19

Total Clouds (% Sky Obscured)

4
3
3
2
1
0
3
56
56
70
55
58
68
95
100
96
89
92
84
76
61
39
19
62

Low Clouds (% Sky Obscured)

2
2
2
2
1
0
0
37
41
9
13
17
18
24
9
9
13
26
24
7
3
4
2
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
11
46
19
29
24
37
81
80
69
86
81
76
55
31
11
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
46
37
41
33
20
59
94
98
83
57
41
26
10
7
4
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
2
7
11
12
7
2
1
1
2
2
2
1
1
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
3
5
7
8
8
9
7
7
5
3
2
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
4
4
4
4
2
1
2
2
3
3
3
4
4
3
3
3
2
2
3
3
3
4
4

Chance of Frost

Temperature (°C)

1
1
1
1
1
5
8
10
11
11
13
13
13
13
13
13
13
12
11
9
8
7
7
7

Feels Like (°C)

1
0
1
0
2
6
9
10
11
11
11
12
12
13
11
11
12
10
9
8
6
6
6
6

Dew Point (°C)

0
0
-0
-1
0
3
5
5
4
2
2
1
1
0
-1
0
4
6
7
5
5
5
5
5

Relative Humidity (%)

93
93
93
92
91
86
81
70
59
51
47
43
42
40
39
41
57
66
77
76
79
85
87
88

Pressure (mb)

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

Ozone (du)

392
390
389
387
385
381
384
391
394
393
392
390
389
385
382
383
383
383
384
385
386
382
380
380

Monday 18

Waxing Crescent 5%

06:22

23:46

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:43, Set: 20:58, Transit: 13:20. Moon - Rise: 06:22, Set: 23:46. Civil Dark: 21:35 - 05:06. Nautical Dark: 22:23 - 04:18. Astro Dark: 23:24 - 03:17

Total Clouds (% Sky Obscured)

73
84
87
90
93
94
94
97
90
100
100
100
100
100
100
100
100
98
90
66
53
38
64
75

Low Clouds (% Sky Obscured)

4
26
38
32
8
2
2
17
19
66
63
84
74
66
28
33
17
19
20
20
23
26
29
30

Medium Clouds (% Sky Obscured)

69
81
82
82
91
89
90
96
84
100
100
100
93
100
92
100
100
98
82
48
32
18
2
2

High Clouds (% Sky Obscured)

3
55
55
55
55
58
47
14
39
66
100
100
100
100
94
85
78
35
20
2
1
0
19
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
5
11
25
40
45
75
79
65
52
48
39
30
22
3
6
7
3
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
83
81
71
66
58
50
50
60
66
70
74
77
69
76
82
88
91
91
91
88
86

Pressure (mb)

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

Ozone (du)

380
380
380
381
383
385
386
386
387
387
388
387
386
385
387
384
384
380
373
371
372
369
365
364

Tuesday 19

Waxing Crescent 11%

07:28

00:43

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:42, Set: 20:59, Transit: 13:20. Moon - Rise: 07:28, Set: 00:43. Civil Dark: 21:36 - 05:05. Nautical Dark: 22:25 - 04:16. Astro Dark: 23:26 - 03:14

Total Clouds (% Sky Obscured)

76
80
81
83
87
91
95
99
96
95
93
94
96
99
99
99
100
99
98
98
99
99
100
100

Low Clouds (% Sky Obscured)

32
33
35
39
38
63
76
80
66
63
51
42
40
35
44
52
61
61
60
59
68
79
88
91

Medium Clouds (% Sky Obscured)

1
6
50
55
57
69
86
97
90
94
93
94
96
99
91
83
74
70
65
60
69
77
86
91

High Clouds (% Sky Obscured)

40
40
40
40
40
41
41
24
4
24
60
58
67
75
66
71
76
62
51
44
61
79
99
90

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
Light Rain

Precipitation Probability (%)

10
3
11
7
0
0
0
1
1
1
18
27
31
34
31
29
24
21
18
7
35
47
51
82

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
5
6
8
9
10
11
12
13
14
14
14
13
12
12
11
10
10
9
9
9
9

Feels Like (°C)

2
2
2
3
5
7
8
8
9
9
10
10
11
12
13
11
10
10
9
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
80
78
70
63
59
57
56
56
59
69
79
92
90
90
90
90
91
91
91
93
91

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

362
362
359
357
356
355
355
353
352
351
350
350
351
352
353
359
364
370
367
363
360
362
365
367

Wednesday 20

Waxing Crescent 20%

08:46

01:24

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:41, Set: 21:00, Transit: 13:20. Moon - Rise: 08:46, Set: 01:24. Civil Dark: 21:37 - 05:03. Nautical Dark: 22:26 - 04:14. Astro Dark: 23:29 - 03:12

Total Clouds (% Sky Obscured)

100
100
94
90
84
84
89
96
97
99
100
100
100
100
97
94
90
86
80
74
68
59
50
55

Low Clouds (% Sky Obscured)

93
94
85
79
71
58
45
32
38
44
50
49
41
36
31
27
26
29
29
30
26
27
25
23

Medium Clouds (% Sky Obscured)

95
99
94
79
65
55
49
46
46
50
54
57
60
64
68
71
76
74
69
64
50
33
15
7

High Clouds (% Sky Obscured)

81
71
48
25
2
29
57
84
90
95
100
100
100
100
84
62
39
26
19
9
6
4
0
10

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

Precipitation Probability (%)

95
95
83
62
38
40
35
29
42
45
47
62
70
84
87
91
95
85
78
65
56
44
15
15

Precipitation Amount (mm)

0.7
0.7
0.5
0.2
0
0
0
0
0
0
0
0.2
0.3
0.5
0.5
0.5
0.5
0.4
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
95
91
88
80
72
65
60
56
52
54
54
54
62
74
84
86
88
91
93
93
91

Pressure (mb)

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

Ozone (du)

369
370
371
369
366
364
363
362
361
361
362
362
362
363
363
362
361
360
358
356
353
351
349
346

Thursday 21

Waxing Crescent 31%

10:09

01:53

Sun - Rise: 05:40, Set: 21:01, Transit: 13:20. Moon - Rise: 10:09, Set: 01:53. Civil Dark: 21:39 - 05:02. Nautical Dark: 22:28 - 04:13. Astro Dark: 23:32 - 03:09

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 Lettenboden, Bezirk Pfäffikon, Switzerland (47.38,8.92)

Generated: 15/05/26 03:59:14. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+2.00