Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 74%

21:58

10:51

16 OK
17 OK
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
14 Bad
15 Bad

Sun - Rise: 08:10, Set: 16:51, Transit: 12:31. Moon - Rise: 21:58, Set: 10:51. Civil Dark: 17:26 - 07:35. Nautical Dark: 18:04 - 06:56. Astro Dark: 18:41 - 06:19

Total Clouds (% Sky Obscured)

23
20
75
100
97
100
94
96
96
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
2
97
96
97
90
88
91
88
95
74
85
45
50
69
95
92
90
89
99
95
100
91

Medium Clouds (% Sky Obscured)

5
20
53
100
95
100
88
75
87
55
59
88
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
23
7
70
100
88
100
100
100
100
100
100
73
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
0
0
0
2
9
9
9
9
9
9
2
1
0
0
0
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
2
14
44
57
48
35
28
22
12
3
4
11
34
53
78
73
75
71
62
36
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
5
6
7
9
9
9
11
11
11
11
11
11
10
10
9
8
8
11
12
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-7
-11
-10
-11
-11
-10
-11
-11
-10
-10
-10
-9
-8
-6
-6
-7
-6
-5
-5
-4
-3
-3
-3

Dew Point (°C)

-9
-8
-9
-9
-10
-10
-8
-7
-6
-6
-7
-8
-7
-6
-4
-5
-6
-5
-4
-3
-2
-1
0
-1

Relative Humidity (%)

74
85
87
85
79
76
85
92
94
92
85
77
81
84
87
84
81
82
87
89
92
98
94
86

Pressure (mb)

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

Ozone (du)

414
410
405
401
395
387
367
354
349
346
334
331
330
335
335
342
344
341
336
334
334
331
328
326

Thursday 8

Waning Gibbous 65%

23:09

11:05

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
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:52, Transit: 12:31. Moon - Rise: 23:09, Set: 11:05. Civil Dark: 17:27 - 07:34. Nautical Dark: 18:05 - 06:56. Astro Dark: 18:42 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
72
51
80
80
89
85
86
86
64

Low Clouds (% Sky Obscured)

98
99
97
98
100
100
100
93
67
100
100
70
82
68
84
72
41
34
29
34
40
38
39
36

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
62
86
50
12
53
67
75
65
62
59
51

High Clouds (% Sky Obscured)

45
100
100
99
100
100
100
100
100
100
100
45
24
2
0
20
5
8
10
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
9
9
2
9
4
9
9
9
8
9
9
9
9
5
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
60
72
95
95
95
95
75
84
95
95
55
80
50
40
27
10
6
8
40
42
49
46
29

Precipitation Amount (mm)

0
0.2
0.3
1.1
1.2
1.1
1
0.5
0.7
1.2
1.5
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
15
12
11
14
14
14
11
11
11
12
15
20
19
22
21
20
21
21
21
20
19
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
93
94
96
98
98
98
93
94
96
96
93
89
79
93
79
80
75
75
76
75
76
76

Pressure (mb)

1011
1011
1011
1010
1009
1008
1008
1007
1005
1003
1003
1003
1002
1002
1002
1002
1002
1003
1003
1003
1002
1001
1001
1001

Ozone (du)

321
321
321
320
318
321
322
322
324
325
325
330
337
345
347
348
352
354
354
354
353
352
354
356

Friday 9

Waning Gibbous 55%

00:18

11:20

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
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:53, Transit: 12:32. Moon - Rise: 00:18, Set: 11:20. Civil Dark: 17:28 - 07:34. Nautical Dark: 18:06 - 06:56. Astro Dark: 18:43 - 06:19

Total Clouds (% Sky Obscured)

45
38
70
80
86
94
97
99
98
86
89
89
90
93
89
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
30
39
78
81
76
80
57
37
68
78
79
83
89
87
86
87
88
84
97
100
94
90
85

Medium Clouds (% Sky Obscured)

20
10
50
50
24
55
55
86
90
11
42
79
64
64
62
83
100
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
2
12
2
1
36
50
50
34
34
36
50
40
35
30
30
25
25
31
64
76
87
95

ISS Passover

Visibility (miles)

9
9
9
9
9
5
6
9
9
9
9
9
9
9
0
0
0
0
1
2
2
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
1
0
0
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

24
15
17
20
34
53
32
27
26
26
26
30
34
54
60
65
73
74
65
69
74
71
85
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.3
0.2
0.2
0.3
0.3
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-5
-6
-7
-6
-7
-7
-8
-9
-10
-9
-9
-10
-9
-8
-9
-9
-8
-9
-8
-9
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
81
84
91
87
86
83
79
78
75
74
78
89
89
89
89
86
81
83
87
91
94

Pressure (mb)

1002
1002
1002
1002
1003
1003
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

352
357
363
366
366
370
376
375
372
379
388
390
388
390
398
403
403
407
404
399
395
396
399
395

Saturday 10

Third Quarter 45%

01:26

11:37

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
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:54, Transit: 12:32. Moon - Rise: 01:26, Set: 11:37. Civil Dark: 17:29 - 07:34. Nautical Dark: 18:07 - 06:55. Astro Dark: 18:44 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
98
98
98
98
98
98
98
94
90
87
84
82
81

Low Clouds (% Sky Obscured)

90
94
97
97
97
97
98
99
99
99
98
98
97
96
95
96
96
96
93
90
87
84
82
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
90
86
84
80
61
28
20
13
5
0
0
0
0

High Clouds (% Sky Obscured)

86
76
67
60
57
55
52
31
1
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

95
90
89
94
95
90
90
82
79
76
77
74
69
65
60
59
51
54
56
47
38
28
23
16

Precipitation Amount (mm)

0.7
0.5
0.5
0.6
0.6
0.5
0.4
0.3
0.3
0.2
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.3
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

17
16
15
15
13
12
11
9
9
10
9
8
7
7
6
5
4
3
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
96
94
94
94
92
94
94
96
96
94
96
96
98
98
96
96
94
94
90
92

Pressure (mb)

1009
1010
1011
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

388
386
383
380
380
381
382
381
379
374
372
372
373
374
375
373
374
378
378
377
373
368
356
347

Sunday 11

Waning Crescent 35%

02:35

11:56

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
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:55, Transit: 12:32. Moon - Rise: 02:35, Set: 11:56. Civil Dark: 17:30 - 07:33. Nautical Dark: 18:09 - 06:55. Astro Dark: 18:45 - 06:18

Total Clouds (% Sky Obscured)

76
74
72
81
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
62
52
48
39
27
27
29
30
51
67
75
65
66
87
99
97
96
90
84
77
79
83
87

Medium Clouds (% Sky Obscured)

4
9
13
23
33
38
40
40
35
85
100
100
99
98
98
100
100
100
99
99
98
98
96
95

High Clouds (% Sky Obscured)

2
4
6
28
63
100
100
100
100
96
92
89
91
92
95
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
1
2
6
9
9
4
3
4
4
5
9
9
4
1
3
5
7
9
6
3
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain

Precipitation Probability (%)

11
3
10
0
0
0
0
0
0
1
3
5
34
51
53
70
77
82
83
85
89
92
88
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.3
0.4
0.5
0.5
0.5
0.5
0.5
0.4
0.4

Wind Speed/Direction (mph)

4
3
3
3
3
4
4
3
3
3
3
3
4
4
4
5
7
7
7
8
9
10
9
9

Chance of Frost

Temperature (°C)

-5
-6
-7
-8
-9
-9
-9
-8
-8
-7
-7
-6
-6
-5
-5
-5
-5
-4
-3
-2
-1
-0
0
1

Feels Like (°C)

-8
-9
-10
-11
-12
-12
-12
-12
-12
-10
-10
-9
-9
-8
-8
-8
-8
-8
-8
-7
-6
-5
-3
-3

Dew Point (°C)

-5
-6
-7
-9
-9
-9
-9
-9
-9
-8
-8
-7
-7
-7
-6
-6
-6
-6
-5
-3
-2
-1
0
0

Relative Humidity (%)

96
98
98
96
96
98
96
94
94
94
94
94
90
90
92
94
92
90
89
92
96
98
100
98

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

344
339
339
342
344
342
339
340
340
344
342
333
325
324
323
323
323
323
323
324
324
325
325
326

Monday 12

Waning Crescent 26%

03:43

12:19

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
14 Bad
15 Bad

Sun - Rise: 08:07, Set: 16:57, Transit: 12:33. Moon - Rise: 03:43, Set: 12:19. Civil Dark: 17:31 - 07:33. Nautical Dark: 18:10 - 06:54. Astro Dark: 18:47 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
92
91
90
89
94
97
100

Low Clouds (% Sky Obscured)

90
92
95
97
99
100
99
97
96
97
99
100
100
100
100
95
90
86
81
77
72
80
85
91

Medium Clouds (% Sky Obscured)

89
83
83
86
89
93
97
98
100
100
100
100
95
92
89
81
77
71
68
64
62
68
76
84

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
79
58
41
31
25
25
25
25
25
34
51
62
79
94
100

ISS Passover

Visibility (miles)

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

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
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
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

89
95
95
95
95
95
95
95
91
95
95
95
95
85
68
53
41
33
28
19
5
9
11
12

Precipitation Amount (mm)

0.5
0.6
0.8
0.6
0.7
0.9
0.8
0.6
0.6
0.6
0.8
1.1
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
100
100
98
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

326
325
325
324
324
324
324
323
322
321
318
315
313
312
311
311
310
309
308
310
312
314
315
316

Tuesday 13

Waning Crescent 18%

04:51

12:50

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

Sun - Rise: 08:07, Set: 16:58, Transit: 12:33. Moon - Rise: 04:51, Set: 12:50. Civil Dark: 17:33 - 07:32. Nautical Dark: 18:11 - 06:54. Astro Dark: 18:48 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
90
77
63
73
87
100
100
100
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

89
85
81
76
71
65
58
52
40
34
28
24
30
37
47
39
39
42
39
36
34

Medium Clouds (% Sky Obscured)

71
56
45
53
61
70
62
55
45
48
50
51
43
40
42
64
87
89
88
87
86

High Clouds (% Sky Obscured)

100
100
100
100
100
100
88
72
62
73
87
100
100
100
100
100
100
100
98
95
95

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
1
2
4
7
9
8
8
8
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
17
16
13
10
8
7
6
0
1
1
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

318
319
320
321
322
323
324
323
322
322
322
323
323
325
327
329
330
332
333
333
332

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

Generated: 07/01/26 16:00:42. Forecast: 07/01/26 to 13/01/26. Timezone: UTC+1.00