Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 1%

06:42

17:47

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
03 Bad

Sun - Rise: 07:51, Set: 18:26, Transit: 13:08. Moon - Rise: 06:42, Set: 17:47. Civil Dark: 18:58 - 07:19. Nautical Dark: 19:33 - 06:44. Astro Dark: 20:09 - 06:08

Total Clouds (% Sky Obscured)

94
95
94
100
100
91
94
100
100
100
100
100
100
100
100
100
45
83
90
99
100
95
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
44
45
45
49
61
45
33
45
45
45
59
72
60
75
69

Medium Clouds (% Sky Obscured)

94
95
94
99
100
89
93
95
89
94
100
100
99
95
74
50
45
83
84
91
81
88
100
100

High Clouds (% Sky Obscured)

71
54
94
99
77
55
50
85
98
99
100
100
100
100
100
100
45
63
3
27
35
30
30
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
4
6

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
14
19
9
8
8
15
34
41
17
9
10
9
9
34
16
10
40
35
70
83
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
74
77
74
70
64
59
56
53
60
76
83
86
86
87
88
87
82
85
88
85
91
93

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

269
268
268
270
272
276
277
279
282
285
288
290
290
293
295
297
300
298
301
301
302
304
300
298

Tuesday 21

New Moon 0%

07:49

18:02

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
03 Bad

Sun - Rise: 07:52, Set: 18:25, Transit: 13:08. Moon - Rise: 07:49, Set: 18:02. Civil Dark: 18:56 - 07:21. Nautical Dark: 19:32 - 06:45. Astro Dark: 20:07 - 06:10

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
63
43
50
47
44
41
31
22
19
12
30
24
26
79
86
85
91
98
100
79
62
60
59

Medium Clouds (% Sky Obscured)

47
47
100
98
94
97
73
97
100
97
98
98
99
100
100
99
100
100
100
100
73
76
72
99

High Clouds (% Sky Obscured)

96
67
89
100
100
100
97
100
100
74
84
56
37
45
43
61
14
17
48
62
60
59
64
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
8
3
9
5
9
6
9
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
None
None
None
None
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
Very Light Rain

Precipitation Probability (%)

33
25
19
14
31
29
15
13
5
17
31
49
58
62
69
84
94
95
95
95
71
59
54
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.7
0.8
0.9
1
1.9
0.2
0.2
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
90
88
87
84
79
75
72
66
65
73
79
80
84
91
95
96
96
96
96
96
96

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

296
296
295
294
294
294
292
292
292
294
296
297
297
297
297
296
299
300
302
302
302
301
300
299

Wednesday 22

Waxing Crescent 1%

08:58

18:21

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
03 Bad

Sun - Rise: 07:53, Set: 18:23, Transit: 13:08. Moon - Rise: 08:58, Set: 18:21. Civil Dark: 18:54 - 07:22. Nautical Dark: 19:30 - 06:46. Astro Dark: 20:05 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
99
93
87
100
99
100
100
98
75
47
75
90
92
92
93
94
96
98
100
100
100

Low Clouds (% Sky Obscured)

79
75
79
74
84
72
73
85
67
82
82
61
40
52
42
57
51
52
49
59
65
63
25
65

Medium Clouds (% Sky Obscured)

71
76
68
72
18
37
100
86
98
100
91
67
47
74
90
85
86
88
40
93
96
100
91
85

High Clouds (% Sky Obscured)

77
66
55
75
40
38
59
42
94
73
34
30
27
25
35
61
59
54
52
48
51
52
68
85

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
24
23
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
Very Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
None
Light Rain

Precipitation Probability (%)

37
45
30
16
3
1
3
17
7
23
60
81
60
50
30
72
91
46
23
91
84
57
48
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.3
0
0
0.4
0.8
0
0
0.6
0.5
0.3
0
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
10
13
13
13
14
15
14
14
13
11
10
9
9
8
9
10
9
10

Feels Like (°C)

8
8
8
8
7
8
9
12
13
12
13
14
13
13
12
10
9
8
9
7
8
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
91
91
91
85
87
80
71
84
93
95
95
95
93
96
96
95
93
95
96
91
93

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

299
298
298
298
299
299
299
300
301
299
297
298
297
298
300
300
298
297
295
294
294
295
297
297

Thursday 23

Waxing Crescent 4%

10:06

18:44

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
03 Bad

Sun - Rise: 07:55, Set: 18:21, Transit: 13:08. Moon - Rise: 10:06, Set: 18:44. Civil Dark: 18:52 - 07:24. Nautical Dark: 19:28 - 06:48. Astro Dark: 20:04 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
97
99
100
100
100
100
78
57
35
44
54
66
72
80
87
88
89

Low Clouds (% Sky Obscured)

62
64
61
63
68
74
59
76
88
91
77
60
21
41
38
19
35
35
40
47
55
62
68
74

Medium Clouds (% Sky Obscured)

77
85
92
100
94
80
69
89
95
100
92
84
76
67
56
35
44
15
43
25
34
74
35
57

High Clouds (% Sky Obscured)

100
100
100
100
96
91
87
91
95
100
100
100
100
78
53
30
25
4
1
0
1
2
2
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

85
81
90
90
68
78
93
95
95
95
95
95
88
83
53
63
82
37
54
28
24
9
7
6

Precipitation Amount (mm)

0.4
0.3
0.6
0.8
0.4
0.4
0.6
0.8
0.8
0.8
1.8
1.1
0.4
0.5
0
0
0.7
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
10
10
9
12
13
12
12
10
9
9
8
8
8
8
7
7
6
6
6

Relative Humidity (%)

95
96
95
96
96
93
90
80
86
93
92
95
89
87
90
88
93
95
91
88
90
90
91
90

Pressure (mb)

1005
1004
1004
1003
1003
1003
1002
1001
1001
1001
1000
1002
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1011
1011

Ozone (du)

298
298
298
298
296
295
294
292
291
291
289
287
288
288
289
290
292
293
294
295
293
292
292
293

Friday 24

Waxing Crescent 8%

11:14

19:14

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
03 Bad

Sun - Rise: 07:56, Set: 18:19, Transit: 13:08. Moon - Rise: 11:14, Set: 19:14. Civil Dark: 18:51 - 07:25. Nautical Dark: 19:27 - 06:49. Astro Dark: 20:02 - 06:14

Total Clouds (% Sky Obscured)

91
90
89
90
92
53
62
77
81
75
85
92
100
99
98
97
92
88
83
85
87
89
91
91

Low Clouds (% Sky Obscured)

80
82
67
86
87
53
58
59
51
54
56
51
49
46
44
41
34
29
24
44
60
78
74
74

Medium Clouds (% Sky Obscured)

30
67
62
65
4
1
1
3
5
5
11
15
22
19
20
20
46
71
83
85
78
69
72
75

High Clouds (% Sky Obscured)

2
39
2
0
2
2
15
24
33
34
52
76
100
76
56
39
27
20
23
12
5
0
0
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
5
4
1
2
1
0
0
1
1
8
10
10
11
10
7
3
5
5
24
33
41
61
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
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
88
87
82
81
75
65
61
59
57
61
64
68
72
75
79
81
82
82
79
76
75
74

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

295
299
306
305
304
302
302
301
300
299
298
299
300
301
300
299
298
298
298
298
300
301
303
302

Saturday 25

Waxing Crescent 14%

12:19

19:52

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 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:58, Set: 18:18, Transit: 13:08. Moon - Rise: 12:19, Set: 19:52. Civil Dark: 18:49 - 07:26. Nautical Dark: 19:25 - 06:51. Astro Dark: 20:01 - 06:15

Total Clouds (% Sky Obscured)

92
94
97
100
93
83
75
66
58
49
37
32
20
15
10
5
8
11
13
32
49
66
63
52

Low Clouds (% Sky Obscured)

76
84
91
100
92
83
75
66
58
49
37
32
19
14
10
4
7
11
13
31
44
58
51
28

Medium Clouds (% Sky Obscured)

79
86
88
87
80
64
56
49
39
29
20
10
1
1
0
0
0
0
0
6
14
25
37
52

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
7
7
9

ISS Passover

Visibility (miles)

9
9
8
8
7
6
5
4
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

62
58
56
47
56
70
80
65
54
43
32
25
17
16
13
5
6
7
3
5
5
0
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
72
75
76
78
84
88
94
90
88
84
81
78
77
81
87
91
90
88
86
88
89
91
93

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

301
301
300
299
299
298
297
296
298
300
301
302
303
304
304
304
304
304
304
304
303
302
301
299

Sunday 26

Waxing Crescent 22%

12:16

19:42

Sun - Rise: 06:59, Set: 17:16, Transit: 12:08. Moon - Rise: 12:16, Set: 19:42. Civil Dark: 17:48 - 06:28. Nautical Dark: 18:23 - 05:52. Astro Dark: 18:59 - 05:16

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: 20/10/25 04:08:28. Forecast: 20/10/25 to 26/10/25. Timezone: UTC+2.00