Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 0%

08:04

15:49

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:36, Set: 16:44, Transit: 12:10. Moon - Rise: 08:04, Set: 15:49. Civil Dark: 17:17 - 07:03. Nautical Dark: 17:55 - 06:25. Astro Dark: 18:31 - 05:49

Total Clouds (% Sky Obscured)

75
81
85
100
99
100
98
97
98
100
100
99
100
100
100
100
100
100
94
90
81
100
99
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
25
39
48
61
73
75
89
90
86
73
69
54
84
64
82
82
54

Medium Clouds (% Sky Obscured)

38
81
85
100
99
100
98
92
92
100
100
99
100
100
100
100
100
100
88
77
77
100
98
89

High Clouds (% Sky Obscured)

75
81
85
100
87
55
50
50
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
0
0
0
9
9
9
2
1
2
1
9

Fog (%)

0
0
0
0
0
0
0
0
1
6
7
8
4
5
73
41
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
2
4
6
13
20
38
39
63
95
79
45
29
21
34
47
43
53
54
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0
0.4
1
0.5
0
0
0
0
0.2
0
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-4
-4
-5
-5
-5
-5
-5
-5
-8
-9
-6
-1
0
-1
-3
-3
-3
-2
-2
-2
-1
-1

Relative Humidity (%)

54
59
66
70
70
69
66
66
67
69
59
59
70
94
100
96
83
81
84
87
86
83
86
83

Pressure (mb)

1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1010
1011
1012
1012
1012
1012
1012

Ozone (du)

279
282
281
280
280
282
284
286
284
281
281
289
301
308
309
305
312
321
324
329
333
333
332
331

Thursday 20

New Moon 2%

09:10

16:16

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:38, Set: 16:43, Transit: 12:10. Moon - Rise: 09:10, Set: 16:16. Civil Dark: 17:17 - 07:04. Nautical Dark: 17:54 - 06:26. Astro Dark: 18:31 - 05:50

Total Clouds (% Sky Obscured)

84
67
68
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
28
26
50
66
81
66
57
41
51
56
63
95
95
88
82
84
90
92
86
98
92
95
96

Medium Clouds (% Sky Obscured)

32
49
51
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

20
25
25
21
8
0
0
0
0
2
3
16
35
35
45
40
45
50
50
45
40
45
44
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
1
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
2
6
10
13
14
13
3
0
0
0
0
2
1
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

32
18
16
8
9
11
10
18
21
28
42
65
75
68
59
54
64
72
77
78
78
80
84
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0.2
0.1
0.2
0.4
0.6
0.6
0.7
0.7
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
86
92
92
94
94
92
92
94
91
92
91
92
92
94
96
96
96
96
94
94
94
94

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

335
340
346
345
342
340
339
335
334
333
331
330
325
324
327
328
327
327
328
331
334
336
337
339

Friday 21

Waxing Crescent 5%

10:10

16:52

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:39, Set: 16:42, Transit: 12:10. Moon - Rise: 10:10, Set: 16:52. Civil Dark: 17:16 - 07:05. Nautical Dark: 17:54 - 06:27. Astro Dark: 18:30 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
97
95
97
97
96
89
90
90
90
88
90
91
89

Low Clouds (% Sky Obscured)

98
100
93
99
97
97
100
100
100
82
95
92
91
95
95
92
81
81
82
82
81
83
85
83

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
79
25
27
22
14
10
16
19
17
15
16
19
18
18

High Clouds (% Sky Obscured)

32
25
40
50
19
15
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
1
0
0
1
7
5
4

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

81
77
79
84
79
75
71
63
45
36
32
23
25
26
29
23
14
22
23
21
10
18
7
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
8
7
8
7
7
7
7
7
7
7
6
6
7
6
6
6
6
6
7
6
6
6

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-2
-3
-2
-3
-4
-3
-4
-4
-4
-4
-4
-4
-3
-3

Feels Like (°C)

-6
-5
-5
-5
-5
-6
-6
-6
-6
-6
-5
-6
-5
-6
-6
-6
-7
-7
-7
-7
-7
-6
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

94
91
94
96
98
98
98
96
96
98
96
98
98
96
98
96
96
96
96
94
92
86
84
82

Pressure (mb)

1018
1019
1019
1020
1021
1022
1022
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1026
1026

Ozone (du)

339
341
345
348
352
353
353
353
354
356
357
356
355
352
348
345
342
340
339
337
332
327
321
317

Saturday 22

Waxing Crescent 5%

11:00

17:38

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:41, Set: 16:41, Transit: 12:10. Moon - Rise: 11:00, Set: 17:38. Civil Dark: 17:15 - 07:06. Nautical Dark: 17:53 - 06:29. Astro Dark: 18:29 - 05:52

Total Clouds (% Sky Obscured)

85
67
57
42
45
43
41
42
43
44
45
52
72
72
63
45
41
50
62
69
68
69
62
61

Low Clouds (% Sky Obscured)

79
60
52
41
45
42
41
42
43
41
43
49
71
71
61
42
41
32
24
15
21
26
31
41

Medium Clouds (% Sky Obscured)

19
19
13
6
0
0
0
0
0
0
0
0
2
2
2
0
0
17
36
53
52
57
55
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
2
2
2
2
2
2
0
25
51
69
68
69
62
45

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

7
6
4
2
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27

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)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-4
-4
-4
-5
-4
-5
-5
-5
-6
-6
-6
-6
-6
-7
-7
-6
-6
-4
-3
-3
-2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
92
92
94
92
92
92
92
90
90
90
89
90
90
89
89
89
89
82
81
79
76
74

Pressure (mb)

1025
1025
1025
1025
1026
1026
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1021
1020
1019
1018
1017
1016
1015

Ozone (du)

318
315
308
302
306
310
309
312
318
324
323
318
316
316
312
309
309
305
302
298
296
296
296
299

Sunday 23

Waxing Crescent 10%

11:41

18:35

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:42, Set: 16:40, Transit: 12:11. Moon - Rise: 11:41, Set: 18:35. Civil Dark: 17:14 - 07:08. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

75
62
100
100
100
97
94
91
93
97
100
98
96
94
95
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
62
62
62
62
76
83
84
85
59
68
69
62
59
61
64
66
68
68
67
49
38
23
26

Medium Clouds (% Sky Obscured)

75
62
100
100
100
97
70
91
20
82
99
94
90
85
90
94
99
99
100
100
100
100
100
72

High Clouds (% Sky Obscured)

24
4
38
3
2
43
45
52
71
85
100
83
67
50
25
30
35
50
73
100
98
97
96
96

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

45
62
71
72
70
63
55
44
40
37
33
53
50
44
41
42
42
39
41
44
47
46
30
45

Precipitation Amount (mm)

0.1
0.3
0.4
0.4
0.4
0.3
0.2
0.1
0.1
0
0
0.3
0.3
0.2
0
0.2
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
78
91
94
92
92
92
94
91
93
94
93
91
91
91
91
91
91
92
91
93
93
94
96

Pressure (mb)

1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1003
1001
1000

Ozone (du)

303
305
306
301
298
296
294
292
292
291
290
289
286
283
280
280
280
280
280
280
280
279
279
278

Monday 24

Waxing Crescent 16%

12:12

19:40

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:43, Set: 16:39, Transit: 12:11. Moon - Rise: 12:12, Set: 19:40. Civil Dark: 17:14 - 07:09. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
23
42
65
82
80
78
76
79
82
84
79
70
63
70
78
86
88
91
93
93
91
89
73

Medium Clouds (% Sky Obscured)

44
20
50
82
100
100
100
100
97
94
92
94
97
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

98
100
100
100
100
94
88
83
67
48
30
29
37
40
40
30
25
20
25
25
25
35
40
31

ISS Passover

Visibility (miles)

2
1
0
0
0
0
2
4
6
7
8
9
9
9
9
6
3
0
0
0
0
3
6
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

45
21
35
47
62
55
47
45
53
51
44
44
41
30
55
64
56
67
70
64
60
53
43
51

Precipitation Amount (mm)

0
0
0
0
0.5
0.3
0.2
0.2
0.2
0.2
0.1
0.1
0
0
0.2
0.2
0.1
0.3
0.3
0.3
0.2
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
100
100
98
98
94
94
92
92
92
92
94
96
96
98
98
98
100
98
98
94
91

Pressure (mb)

1000
999
999
999
1000
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1005
1005

Ozone (du)

278
277
277
279
280
282
284
286
289
292
295
299
300
301
302
304
307
309
310
311
312
314
315
317

Tuesday 25

Waxing Crescent 24%

12:37

20:51

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

Sun - Rise: 07:45, Set: 16:39, Transit: 12:11. Moon - Rise: 12:37, Set: 20:51. Civil Dark: 17:13 - 07:10. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:28 - 05:55

Total Clouds (% Sky Obscured)

100
100
99
98
97
98
99
100
100
100
100
100
100
100
99
98
98

Low Clouds (% Sky Obscured)

55
35
43
53
66
77
89
99
98
96
95
94
94
94
94
93
92

Medium Clouds (% Sky Obscured)

100
100
98
92
84
73
61
51
44
40
31
50
67
88
68
49
27

High Clouds (% Sky Obscured)

19
6
5
3
2
3
5
5
10
14
16
17
16
17
28
37
50

ISS Passover

Visibility (miles)

7
4
2
1
1
0
3
6
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

Very Light Rain
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

60
64
65
70
76
75
77
81
75
71
66
63
60
60
66
69
74

Precipitation Amount (mm)

0.3
0.3
0.3
0.4
0.4
0.4
0.5
0.5
0.5
0.4
0.3
0.3
0.2
0.2
0.3
0.3
0.4

Wind Speed/Direction (mph)

4
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
98
98
100
98
98
98
96
96
96
96
94
94
94
92

Pressure (mb)

1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

318
319
319
321
323
324
326
327
328
329
329
329
330
330
331
331
331

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

Generated: 19/11/25 13:59:07. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00