Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waxing Gibbous 77%

17:19

02:03

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 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 07:11, Set: 19:24, Transit: 13:17. Moon - Rise: 17:19, Set: 02:03. Civil Dark: 19:54 - 06:41. Nautical Dark: 20:30 - 06:05. Astro Dark: 21:07 - 05:28

Total Clouds (% Sky Obscured)

92
94
100
90
90
88
51
99
100
100
100
100
75
59
5
4
2
2
5
7
0
2
2
0

Low Clouds (% Sky Obscured)

57
73
68
53
68
34
10
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

56
68
46
54
51
14
21
17
15
7
10
12
17
18
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
72
100
50
48
74
50
97
100
100
100
100
43
28
2
2
1
2
4
7
0
1
1
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
62

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

Chance of Frost

Temperature (°C)

14
14
15
16
16
17
17
17
17
16
15
13
12
11
11
10
10
9
8
8
8
7
7
8

Feels Like (°C)

13
12
14
15
15
16
16
17
16
15
13
11
10
9
9
9
9
8
8
8
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

82
78
75
73
66
61
56
54
54
62
71
69
67
67
69
72
76
78
81
84
85
87
87
82

Pressure (mb)

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

Ozone (du)

285
285
286
286
286
286
286
286
285
286
287
288
288
288
289
290
290
289
289
289
290
290
290
290

Tuesday 22

Waxing Gibbous 85%

17:43

03:14

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

Sun - Rise: 07:13, Set: 19:22, Transit: 13:16. Moon - Rise: 17:43, Set: 03:14. Civil Dark: 19:52 - 06:42. Nautical Dark: 20:28 - 06:06. Astro Dark: 21:05 - 05:29

Total Clouds (% Sky Obscured)

0
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
1
1
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)

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

High 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

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
17
31
33

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

Chance of Frost

Temperature (°C)

11
12
14
16
16
17
17
17
16
16
14
11
10
10
9
8
8
8
8
7
7
7
6
6

Feels Like (°C)

10
12
13
14
14
15
15
15
15
15
14
10
10
10
9
8
8
8
8
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

69
61
55
50
43
38
35
33
35
47
58
60
66
70
74
78
81
84
85
88
88
88
91
87

Pressure (mb)

1029
1029
1028
1027
1027
1026
1026
1025
1025
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1027
1027

Ozone (du)

290
291
291
292
293
293
294
294
293
291
290
289
289
288
289
289
289
289
289
290
290
290
290
289

Wednesday 23

Waxing Gibbous 91%

18:03

04:26

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

Sun - Rise: 07:14, Set: 19:20, Transit: 13:16. Moon - Rise: 18:03, Set: 04:26. Civil Dark: 19:50 - 06:43. Nautical Dark: 20:26 - 06:08. Astro Dark: 21:03 - 05:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
1
3
2
0
4
14
52
47
53
70
71
56
49
0
0
0
0
44

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
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
15
10
5
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
0
3
11
47
47
46
63
60
45
35
0
0
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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
12
13
15
15
17
18
19
19
19
16
13
11
8
8
8
8
8
7
7
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

74
63
56
49
43
39
37
37
39
54
59
61
63
64
66
68
72
73
73
74
74
73
73
74

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

288
287
287
287
287
288
289
290
290
290
289
289
288
287
287
288
289
292
296
302
306
307
307
306

Thursday 24

Waxing Gibbous 96%

18:21

05:38

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

Sun - Rise: 07:15, Set: 19:18, Transit: 13:16. Moon - Rise: 18:21, Set: 05:38. Civil Dark: 19:48 - 06:45. Nautical Dark: 20:24 - 06:09. Astro Dark: 21:01 - 05:32

Total Clouds (% Sky Obscured)

45
45
58
68
83
40
59
7
9
24
40
8
1
0
6
13
19
32
43
54
46
35
27
28

Low Clouds (% Sky Obscured)

45
45
58
68
75
19
59
1
2
24
40
8
1
0
0
0
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

0
0
0
0
13
11
0
0
0
0
0
0
0
0
0
0
0
5
9
14
9
6
2
1

High Clouds (% Sky Obscured)

0
2
58
32
42
33
19
7
7
4
2
1
1
0
5
11
18
25
36
53
46
35
27
28

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
4
9
38
54
69
62
39
27
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
14
16
17
19
17
16
18
19
17
15
12
12
11
10
9
9
8
9
8
8
7
7
7

Feels Like (°C)

9
12
14
15
17
16
17
17
19
18
16
12
14
12
11
10
10
9
9
9
9
7
8
7

Dew Point (°C)

5
7
8
7
11
11
11
15
14
14
13
10
10
9
8
8
8
7
8
8
7
7
7
6

Relative Humidity (%)

66
62
58
51
59
66
72
81
75
82
86
87
87
87
90
91
93
93
95
96
96
96
98
96

Pressure (mb)

1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

306
306
308
312
317
322
320
318
314
313
314
312
312
310
307
306
306
306
305
303
300
300
300
299

Friday 25

Waxing Gibbous 99%

18:37

06:52

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

Sun - Rise: 07:17, Set: 19:15, Transit: 13:15. Moon - Rise: 18:37, Set: 06:52. Civil Dark: 19:46 - 06:46. Nautical Dark: 20:22 - 06:10. Astro Dark: 20:59 - 05:34

Total Clouds (% Sky Obscured)

29
28
36
40
48
48
43
44
28
22
17
18
20
21
41
57
70
58
49
40
42
42
45
31

Low Clouds (% Sky Obscured)

7
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)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
28
46
49
40
42
42
36
27

High Clouds (% Sky Obscured)

27
28
36
36
48
48
43
44
28
22
17
18
20
20
40
56
70
58
49
40
29
16
2
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
4
4
5
5
5
5
5
4
3
4
4
4
4
4
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
13
15
16
17
17
18
17
17
18
18
19
11
11
11
10
10
10
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

93
84
74
64
54
50
51
51
50
59
69
82
84
85
88
88
90
90
91
91
93
91
93
91

Pressure (mb)

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

Ozone (du)

297
298
297
295
293
291
290
289
288
286
284
282
282
281
280
279
278
277
277
277
277
277
277
277

Saturday 26

Full Moon 100%

18:53

08:08

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

Sun - Rise: 07:18, Set: 19:13, Transit: 13:15. Moon - Rise: 18:53, Set: 08:08. Civil Dark: 19:44 - 06:47. Nautical Dark: 20:20 - 06:12. Astro Dark: 20:56 - 05:35

Total Clouds (% Sky Obscured)

18
5
7
9
14
26
40
51
53
54
56
48
37
26
40
55
69
74
81
84
90
94
100
95

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)

16
5
7
8
13
20
30
42
45
48
51
36
20
4
7
9
11
13
18
20
20
25
29
32

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
1
2
3
14
21
26
38
49
60
70
81
77
84
92
100
94

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
1
2
3
2
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)

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

Chance of Frost

Temperature (°C)

12
15
18
19
20
21
22
21
21
20
18
16
13
13
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

11
12
13
14
15
15
24
22
21
22
22
23
13
13
12
11
11
10
9
9
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

80
70
62
56
50
45
45
43
43
51
60
70
72
74
76
76
76
76
77
77
77
74
73
71

Pressure (mb)

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

Ozone (du)

277
277
276
276
276
277
277
277
277
278
278
279
279
280
280
280
279
279
278
278
278
277
277
277

Sunday 27

Waning Gibbous 98%

19:11

No Set

Sun - Rise: 07:19, Set: 19:11, Transit: 13:15. Moon - Rise: 19:11, Set: No Set. Civil Dark: 19:42 - 06:49. Nautical Dark: 20:18 - 06:13. Astro Dark: 20:54 - 05:37

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: 21/09/26 08:36:54. Forecast: 21/09/26 to 27/09/26. Timezone: UTC+2.00