Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 93%

19:32

09:26

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

Sun - Rise: 07:21, Set: 19:09, Transit: 13:14. Moon - Rise: 19:32, Set: 09:26. Civil Dark: 19:40 - 06:50. Nautical Dark: 20:16 - 06:15. Astro Dark: 20:52 - 05:38

Total Clouds (% Sky Obscured)

2
1
1
2
2
20
35
17
16
38
35
14
55
27
46
91
78
100
90
96
53
59
54
57

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)

2
1
0
0
0
15
13
9
6
26
23
7
7
3
11
4
3
47
63
92
44
13
30
3

High Clouds (% Sky Obscured)

0
1
1
2
2
4
21
4
7
4
5
4
39
26
34
90
78
100
85
94
45
52
51
57

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
9
11
10

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

Chance of Frost

Temperature (°C)

14
18
20
22
23
24
24
24
23
23
20
18
17
16
15
14
14
13
13
13
12
12
12
12

Feels Like (°C)

15
20
21
23
24
25
24
24
24
24
21
20
19
16
17
15
14
13
13
13
12
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

68
61
57
53
47
43
41
41
48
61
71
80
83
83
85
84
86
84
86
84
81
84
83
79

Pressure (mb)

1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

277
277
278
279
280
280
280
281
281
280
280
280
282
283
283
283
283
284
283
282
282
282
282
282

Tuesday 29

Waning Gibbous 86%

19:58

10:48

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 07:22, Set: 19:07, Transit: 13:14. Moon - Rise: 19:58, Set: 10:48. Civil Dark: 19:38 - 06:52. Nautical Dark: 20:13 - 06:16. Astro Dark: 20:50 - 05:40

Total Clouds (% Sky Obscured)

100
99
100
100
93
90
94
58
54
34
76
100
100
99
100
86
97
85
100
93
74
97
98
85

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)

3
5
6
31
34
34
27
1
3
9
2
0
0
0
20
41
40
29
68
84
64
13
39
67

High Clouds (% Sky Obscured)

100
97
100
100
90
85
90
58
54
25
74
100
100
99
100
85
96
57
100
77
59
92
96
75

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
12
11
7
6
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
18
20
20
21
21
22
22
24
21
17
15
15
15
15
16
15
14
13
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

69
63
58
54
50
48
47
47
50
62
71
78
80
83
84
86
86
85
82
79
79
76
76
75

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

282
282
282
282
282
281
281
282
282
281
282
282
282
282
283
282
281
281
280
279
279
278
278
278

Wednesday 30

Waning Gibbous 77%

20:32

12:11

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:23, Set: 19:05, Transit: 13:14. Moon - Rise: 20:32, Set: 12:11. Civil Dark: 19:36 - 06:53. Nautical Dark: 20:11 - 06:17. Astro Dark: 20:48 - 05:41

Total Clouds (% Sky Obscured)

68
82
72
62
94
92
92
91
93
97
100
100
100
100
91
72
84
80
81
98
98
97
97
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
5
6
9
12

Medium Clouds (% Sky Obscured)

65
57
17
13
16
20
19
22
22
22
22
28
31
35
31
31
28
25
23
18
22
25
28
28

High Clouds (% Sky Obscured)

51
76
43
38
81
73
68
64
76
89
100
100
100
100
87
69
71
71
73
95
93
92
90
82

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
18
20
22
23
23
23
23
23
22
20
18
17
16
15
16
16
14
14
13
12
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

69
58
50
44
40
38
39
42
50
65
71
75
74
78
78
79
80
79
79
78
75
72
74
74

Pressure (mb)

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

Ozone (du)

278
277
277
276
276
276
275
275
274
273
272
272
272
272
272
271
270
270
269
269
269
268
268
268

Thursday 1

Waning Gibbous 66%

21:19

13:30

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:25, Set: 19:03, Transit: 13:13. Moon - Rise: 21:19, Set: 13:30. Civil Dark: 19:34 - 06:54. Nautical Dark: 20:09 - 06:19. Astro Dark: 20:46 - 05:43

Total Clouds (% Sky Obscured)

93
91
94
97
100
98
97
95
96
97
98
98
99
95
98
97
100
100
100
100
98
95
94
96

Low Clouds (% Sky Obscured)

21
36
24
5
0
7
15
27
24
34
33
59
78
35
33
31
15
12
13
18
16
17
19
31

Medium Clouds (% Sky Obscured)

29
84
84
83
81
84
87
90
92
94
96
97
97
88
86
74
59
50
63
51
52
77
83
82

High Clouds (% Sky Obscured)

75
64
74
87
100
85
71
60
55
45
35
31
11
10
19
18
25
50
77
100
76
45
19
27

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
2
7
10
24
20
47
80
82
59
43
53
40
39
31
28
31
34
36
32
36
42
28
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
12
13
12
12
12
12
16
14
14
13
13
14
14
14
14
13
14
13
13
13
13
13

Relative Humidity (%)

68
62
60
61
57
56
57
62
80
79
83
86
89
92
92
95
96
96
96
96
96
98
96
96

Pressure (mb)

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

Ozone (du)

269
270
270
271
272
272
272
272
271
270
270
270
270
270
270
271
271
271
270
271
272
272
272
272

Friday 2

Waning Gibbous 54%

22:20

14:39

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:26, Set: 19:01, Transit: 13:13. Moon - Rise: 22:20, Set: 14:39. Civil Dark: 19:32 - 06:56. Nautical Dark: 20:07 - 06:20. Astro Dark: 20:43 - 05:44

Total Clouds (% Sky Obscured)

97
98
97
96
95
93
92
91
91
90
90
84
75
69
71
75
78
87
92
97
94
90
87
73

Low Clouds (% Sky Obscured)

31
31
38
46
57
52
46
40
38
36
33
49
65
69
55
33
9
9
14
21
22
23
24
24

Medium Clouds (% Sky Obscured)

74
65
54
44
33
31
29
29
31
30
29
24
22
20
19
18
17
20
24
28
23
19
15
10

High Clouds (% Sky Obscured)

25
31
34
38
38
44
46
54
54
50
45
45
40
40
40
40
45
45
50
50
42
34
27
20

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 (%)

12
2
3
3
3
8
13
5
11
16
14
18
13
2
4
3
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)

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

Chance of Frost

Temperature (°C)

14
14
14
15
15
15
16
16
16
15
15
15
14
13
13
13
13
12
12
11
11
11
11
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
87
83
75
69
64
63
61
59
66
71
79
80
82
82
86
89
93
93
95
95
95
96
95

Pressure (mb)

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

Ozone (du)

273
273
274
274
275
275
275
276
276
276
276
276
276
277
277
278
278
279
279
279
279
280
280
281

Saturday 3

Third Quarter 42%

23:33

15:34

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

Sun - Rise: 07:27, Set: 18:59, Transit: 13:13. Moon - Rise: 23:33, Set: 15:34. Civil Dark: 19:30 - 06:57. Nautical Dark: 20:05 - 06:21. Astro Dark: 20:41 - 05:46

Total Clouds (% Sky Obscured)

60
49
52
47
41
35
29
23
18
12
8
12
15
18
14
10
6
14
23
33
46
63
77
80

Low Clouds (% Sky Obscured)

27
26
19
17
11
11
11
18
14
7
0
4
9
12
8
4
1
9
17
25
29
26
21
17

Medium Clouds (% Sky Obscured)

6
2
1
1
0
0
0
0
0
1
1
3
5
6
4
3
1
5
9
12
15
17
19
14

High Clouds (% Sky Obscured)

12
3
5
7
9
8
5
3
3
3
3
3
5
6
6
5
5
5
6
7
20
36
48
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
1
0
0
6
6
7
18
16
22
25
20
2
13
18
13
23
24
20
27
26
5
12

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)

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

Chance of Frost

Temperature (°C)

13
14
16
16
18
19
20
19
18
18
16
15
13
12
11
11
11
11
10
9
9
8
7
7

Feels Like (°C)

12
12
13
13
14
14
22
20
19
21
21
22
14
14
13
14
15
16
11
10
10
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

87
78
70
66
62
58
58
56
55
64
72
82
84
87
90
90
90
90
90
88
88
87
84
82

Pressure (mb)

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

Ozone (du)

281
282
282
282
282
282
282
282
283
283
283
283
284
284
285
285
285
285
284
284
284
284
284
284

Sunday 4

Waning Crescent 31%

00:54

16:15

Sun - Rise: 07:29, Set: 18:57, Transit: 13:12. Moon - Rise: 00:54, Set: 16:15. Civil Dark: 19:28 - 06:58. Nautical Dark: 20:03 - 06:23. Astro Dark: 20:39 - 05:47

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: 28/09/26 09:13:08. Forecast: 28/09/26 to 04/10/26. Timezone: UTC+2.00