Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 67%

23:05

12:15

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

Sun - Rise: 08:01, Set: 16:33, Transit: 12:17. Moon - Rise: 23:05, Set: 12:15. Civil Dark: 17:09 - 07:25. Nautical Dark: 17:48 - 06:46. Astro Dark: 18:25 - 06:09

Total Clouds (% Sky Obscured)

82
67
52
43
0
0
0
0
0
0
0
0
0
0
0
0
0
0
70
84
100
85
83
81

Low Clouds (% Sky Obscured)

16
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
20
19
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
13
6
17
28
27

High Clouds (% Sky Obscured)

3
2
9
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
70
82
100
74
66
53

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
2
1
2
1
1
1
2
2
2
4
7
9
9
10
9
7
5
2
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

83
80
77
74
73
73
72
73
74
73
73
71
66
63
64
66
72
75
79
77
79
79
80
82

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1023
1023
1023
1023
1024
1025
1025
1026
1026
1027
1027

Ozone (du)

300
299
298
296
296
297
296
295
294
293
292
291
291
289
288
287
286
285
284
282
282
281
280
282

Wednesday 10

Waning Gibbous 57%

23:05

12:31

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:02, Set: 16:33, Transit: 12:17. Moon - Rise: 23:05, Set: 12:31. Civil Dark: 17:09 - 07:26. Nautical Dark: 17:48 - 06:47. Astro Dark: 18:25 - 06:10

Total Clouds (% Sky Obscured)

64
85
95
99
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
46
50
51
82
95
92
91
52
44
71
34
37
41
34
22
21
22
33
36
32
39
38
27

Medium Clouds (% Sky Obscured)

38
36
81
79
48
98
100
100
100
95
94
95
96
99
100
100
100
92
88
100
100
100
99
98

High Clouds (% Sky Obscured)

40
68
62
92
100
68
36
73
96
100
88
93
100
100
100
86
75
100
100
100
100
100
100
100

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 (%)

2
4
12
15
15
14
20
30
25
18
6
0
0
0
0
0
0
0
0
0
0
0
1
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
85
86
85
85
82
80
85
82
82
78
75
72
74
78
81
83
83
83
85
85
85

Pressure (mb)

1027
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1024
1024
1023
1023
1023
1023

Ozone (du)

280
280
280
278
277
276
276
275
275
275
276
278
279
280
279
280
281
281
282
280
281
281
282
282

Thursday 11

Third Quarter 47%

00:16

12:46

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:02, Set: 16:33, Transit: 12:18. Moon - Rise: 00:16, Set: 12:46. Civil Dark: 17:09 - 07:27. Nautical Dark: 17:48 - 06:48. Astro Dark: 18:25 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
74
82
56
50
64
74
96
90
81
98
99
95
100
100
96
87
82
74

Low Clouds (% Sky Obscured)

34
34
42
42
49
38
28
22
17
0
0
0
23
31
28
34
41
44
39
43
46
43
42
44

Medium Clouds (% Sky Obscured)

79
55
81
67
45
49
39
35
24
17
15
14
15
20
35
50
30
22
33
0
0
0
0
10

High Clouds (% Sky Obscured)

100
100
100
99
33
40
28
40
12
21
44
64
96
90
81
98
98
68
100
100
84
61
43
31

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
2
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

27
42
52
42
32
22
13
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
0.3
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
3
4
4
3
3
3
3
3
3
2
2
2
2
2
3
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

5
5
5
4
4
4
5
5
4
4
4
5
7
7
7
8
7
7
5
5
5
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
86
83
83
83
83
80
76
71
67
65
64
66
75
81
83
82
82
85
85
85

Pressure (mb)

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

Ozone (du)

282
281
282
282
284
283
285
288
289
290
290
290
290
289
287
287
288
288
288
288
290
292
292
291

Friday 12

Waning Crescent 37%

01:24

13:00

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

Sun - Rise: 08:03, Set: 16:33, Transit: 12:18. Moon - Rise: 01:24, Set: 13:00. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:48 - 06:49. Astro Dark: 18:25 - 06:11

Total Clouds (% Sky Obscured)

59
62
67
60
59
57
52
52
55
50
51
45
42
36
40
49
54
60
86
98
97
94
92
89

Low Clouds (% Sky Obscured)

50
55
55
55
55
52
52
51
45
39
33
33
34
34
35
38
38
35
32
29
26
24
20
13

Medium Clouds (% Sky Obscured)

25
38
25
13
0
2
4
6
4
2
0
0
0
0
3
6
9
22
39
87
46
43
83
59

High Clouds (% Sky Obscured)

15
12
12
6
3
11
11
19
22
28
34
23
14
2
9
15
22
36
75
92
75
50
20
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 (%)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
2
2
1
0
1

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
3
3
3
3
3
3
3
3
2
2
3
3
4
4
3
3
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
1
1
2
1
2
1
1
1
1
0
-1
-1
-1
-1
1
2
2
1
1
0
0
-1

Relative Humidity (%)

85
85
85
85
86
85
85
83
82
82
80
73
67
63
63
64
72
78
82
82
82
82
83
81

Pressure (mb)

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

Ozone (du)

291
290
288
287
287
287
289
291
290
288
286
287
288
289
289
287
285
288
287
288
292
296
302
305

Saturday 13

Waning Crescent 27%

02:31

13:15

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

Sun - Rise: 08:04, Set: 16:34, Transit: 12:19. Moon - Rise: 02:31, Set: 13:15. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:48 - 06:49. Astro Dark: 18:26 - 06:12

Total Clouds (% Sky Obscured)

75
75
63
33
27
22
19
11
17
23
28
35
39
42
53
49
55
61
61
62
57
51
56
56

Low Clouds (% Sky Obscured)

7
0
0
0
0
0
0
0
12
22
28
35
39
42
53
49
55
61
61
62
57
51
56
56

Medium Clouds (% Sky Obscured)

65
70
61
33
27
22
18
10
7
6
3
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
1
0
0
0
0
0
0
0
0
0
8
15
18
15
8
0
0
1
1
1
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
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
4
3
3
3
2
2
3
3
2
3
2
2
2
3
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-1
-1
-1
-0
-1
-0
-1
-1
-1
-0
-1
-1
-0
-0
0
1
2
1
1
1
0
0
-1

Relative Humidity (%)

83
83
84
84
86
86
89
88
88
89
86
79
75
73
71
75
80
85
86
86
88
86
86
84

Pressure (mb)

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

Ozone (du)

314
319
318
319
319
316
316
315
318
316
312
310
310
310
309
308
307
306
306
307
307
306
306
305

Sunday 14

Waning Crescent 19%

03:38

13:32

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

Sun - Rise: 08:05, Set: 16:34, Transit: 12:19. Moon - Rise: 03:38, Set: 13:32. Civil Dark: 17:09 - 07:29. Nautical Dark: 17:48 - 06:50. Astro Dark: 18:26 - 06:13

Total Clouds (% Sky Obscured)

55
55
55
50
50
42
30
31
29
17
1
15
30
44
55
67
81
82
83
81
65
47
28
46

Low Clouds (% Sky Obscured)

55
55
55
50
50
42
30
31
23
12
0
7
15
22
27
27
29
29
28
34
25
13
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
6
9
14
26
38
38
29
25
19
22
20
41

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
81
78
77
74
71
70
70
67
68
65
64
61
59
65
70
75
77
79
82
81
80
80

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

304
303
301
301
301
301
301
301
300
298
296
294
294
294
293
292
290
288
290
291
293
298
303
308

Monday 15

Waning Crescent 12%

04:46

13:53

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
18 Bad

Sun - Rise: 08:05, Set: 16:34, Transit: 12:20. Moon - Rise: 04:46, Set: 13:53. Civil Dark: 17:10 - 07:30. Nautical Dark: 17:49 - 06:51. Astro Dark: 18:26 - 06:13

Total Clouds (% Sky Obscured)

61
75
81
91
100
99
98
96
98
99
100
98
96
93
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
5
8
11
9
7
7
5
4
1
1
2
2
1
1
0
2
4
6

Medium Clouds (% Sky Obscured)

2
2
16
25
35
44
46
44
42
40
37
57
75
93
94
94
93
92
90
91

High Clouds (% Sky Obscured)

61
74
81
89
100
98
95
93
95
98
100
94
88
80
87
93
100
100
100
100

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)

4
3
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
0
1
0
-1
-1
-1
-2
-3
-3
-3
-2
-2
-0
2
2
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

78
76
74
73
73
73
74
74
75
73
71
70
70
69
69
72
73
76
77
79

Pressure (mb)

1022
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

307
307
306
307
307
307
307
307
307
310
312
315
316
318
319
318
317
316
315
315

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

Generated: 09/12/25 23:52:58. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+1.00