Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 55%

00:18

11:05

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
09 Bad
10 Bad

Sun - Rise: 08:09, Set: 16:53, Transit: 12:31. Moon - Rise: 00:18, Set: 11:05. Civil Dark: 17:28 - 07:34. Nautical Dark: 18:06 - 06:56. Astro Dark: 18:43 - 06:19

Total Clouds (% Sky Obscured)

62
54
66
63
71
45
53
43
76
92
100
100
100
100
99
98
97
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
43
66
40
51
34
41
32
63
58
47
87
70
95
86
92
79
90
91
94
84
74
88
88

Medium Clouds (% Sky Obscured)

16
50
46
41
45
12
23
28
32
83
100
100
100
100
92
92
93
95
98
100
100
100
100
100

High Clouds (% Sky Obscured)

2
2
3
3
3
0
0
0
12
12
54
56
79
67
78
65
70
70
70
90
91
99
100
100

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
4
0
0
9
0
0
0
3
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
6
13
16
17
9
6
2
0
1
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

93
84
83
54
40
23
10
34
27
37
41
41
44
54
95
90
75
82
75
74
95
95
93
94

Precipitation Amount (mm)

0.8
0.7
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0.2
1
0.7
0.3
0.4
0.3
0.3
0.6
1
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
88
82
79
80
78
81
83
81
78
81
81
91
94
98
91
96
96
94
91
96
98
92

Pressure (mb)

1000
1000
1000
999
1000
1000
1000
1000
1000
1001
1001
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1006
1007

Ozone (du)

354
353
354
357
359
358
361
364
372
378
377
376
380
378
372
375
381
387
387
387
397
399
408
415

Saturday 10

Third Quarter 45%

01:26

11:20

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
09 Bad
10 Bad

Sun - Rise: 08:08, Set: 16:54, Transit: 12:32. Moon - Rise: 01:26, Set: 11:20. 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
100
100
100
100
100
100
99
99
99
98
99
98
94
91
87

Low Clouds (% Sky Obscured)

88
92
93
94
94
93
93
96
97
96
97
100
100
98
98
97
99
98
98
98
98
91
89
85

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
96
95
88
82
56
52
47
34
27

High Clouds (% Sky Obscured)

100
100
100
87
100
95
48
29
74
24
0
2
0
0
0
0
2
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
2
11
6
1

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

79
74
86
95
95
95
95
95
90
85
88
92
95
94
91
88
82
76
72
68
62
58
53
44

Precipitation Amount (mm)

0.3
0.2
0.4
0.6
0.8
0.7
0.5
0.6
0.5
0.4
0.5
0.6
0.7
0.6
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

19
18
18
19
18
17
17
16
14
13
11
10
9
9
9
9
7
5
4
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-9
-8
-8
-9
-8
-8
-8
-7
-7
-7
-6
-7
-6
-7
-7
-7
-7
-8
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
94
96
96
94
96
98
98
96
98
98
98
96
98
96
96
96
98
98
98
96
94

Pressure (mb)

1007
1008
1008
1008
1009
1010
1011
1012
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1023
1024
1025
1026
1026
1027

Ozone (du)

406
398
395
390
385
384
385
383
384
384
377
373
377
372
374
372
374
371
369
368
365
364
361
358

Sunday 11

Waning Crescent 35%

02:35

11:37

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

Sun - Rise: 08:08, Set: 16:55, Transit: 12:32. Moon - Rise: 02:35, Set: 11:37. Civil Dark: 17:30 - 07:33. Nautical Dark: 18:09 - 06:55. Astro Dark: 18:45 - 06:18

Total Clouds (% Sky Obscured)

88
83
89
80
75
72
60
44
70
90
17
20
54
84
85
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
82
88
78
71
70
57
39
34
22
7
14
12
29
20
2
2
4
38
65
89
85
89
80

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
0
54
10
47
90
96
100
100
100
100
100
100
85

High Clouds (% Sky Obscured)

2
3
3
2
1
2
3
8
45
78
10
7
47
59
40
91
100
100
100
93
74
51
30
53

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
63
62
28
8
1
1
4
7
7
7
7
7
7
7
7
7
7

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 (%)

34
27
17
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
18
25
29
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
89
87
86
87
89
88
94
92
92
92
92
90
90
88
88
89
90
87
87
92
86
83
81

Pressure (mb)

1027
1027
1027
1026
1027
1027
1027
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026
1026
1025
1025
1024
1024
1024

Ozone (du)

356
349
342
341
338
336
333
330
329
329
331
332
329
327
329
328
324
319
316
316
317
317
317
317

Monday 12

Waning Crescent 26%

03:43

11:56

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
09 Bad
10 Bad

Sun - Rise: 08:07, Set: 16:57, Transit: 12:32. Moon - Rise: 03:43, Set: 11:56. 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
99
99
99
98
98
97
96
95
94
96
98
100
95

Low Clouds (% Sky Obscured)

75
78
70
78
70
55
83
63
58
82
66
50
25
8
7
8
8
6
3
1
1
1
2
2

Medium Clouds (% Sky Obscured)

92
84
94
93
95
68
100
100
68
96
93
86
84
74
74
75
74
82
89
90
69
40
38
64

High Clouds (% Sky Obscured)

80
100
92
100
100
100
100
100
100
99
92
94
85
96
95
94
93
78
55
37
55
77
100
79

ISS Passover

Visibility (miles)

9
9
9
3
2
0
0
0
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

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 (%)

27
22
22
19
14
20
22
22
17
14
6
12
14
15
12
8
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
89
96
98
98
100
98
98
96
96
94
94
93
94
94
93
93
94
94
94
94
94
89

Pressure (mb)

1023
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

318
318
319
319
319
319
319
320
320
317
317
318
318
318
316
316
314
314
313
312
313
312
313
314

Tuesday 13

Waning Crescent 18%

04:51

12:19

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
09 Bad
10 Bad

Sun - Rise: 08:07, Set: 16:58, Transit: 12:33. Moon - Rise: 04:51, Set: 12:19. Civil Dark: 17:33 - 07:32. Nautical Dark: 18:11 - 06:54. Astro Dark: 18:48 - 06:17

Total Clouds (% Sky Obscured)

91
87
89
90
93
95
98
100
98
96
94
96
97
94
97
98
100
99
99
98
95
91
88
90

Low Clouds (% Sky Obscured)

0
1
9
18
40
40
39
44
39
38
32
32
32
14
8
6
2
2
2
2
10
19
29
48

Medium Clouds (% Sky Obscured)

84
86
87
88
87
66
45
43
51
46
64
72
63
65
73
82
91
88
86
83
66
50
34
36

High Clouds (% Sky Obscured)

58
42
39
46
42
44
46
48
58
67
79
87
93
84
91
96
100
97
93
91
74
57
42
35

ISS Passover

Visibility (miles)

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

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

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
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
100
100
100
98
98
98
96
100
98
98
94
94
94
94
96
94
94
94
92
91
89

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1018
1018
1018

Ozone (du)

316
318
319
320
319
318
315
316
319
320
322
323
325
326
326
327
328
329
332
335
337
338
338
339

Wednesday 14

Waning Crescent 11%

05:55

12:50

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
09 Bad
10 Bad

Sun - Rise: 08:06, Set: 16:59, Transit: 12:33. Moon - Rise: 05:55, Set: 12:50. Civil Dark: 17:34 - 07:32. Nautical Dark: 18:12 - 06:54. Astro Dark: 18:49 - 06:17

Total Clouds (% Sky Obscured)

91
93
92
91
90
91
94
97
95
94
94
93
92
92
91
92
92
91
90
87
90
95
100
98

Low Clouds (% Sky Obscured)

61
77
73
69
70
72
75
86
87
88
89
89
89
88
81
74
67
69
71
73
76
79
83
75

Medium Clouds (% Sky Obscured)

38
41
46
51
58
44
45
40
44
51
51
54
56
58
54
49
45
45
40
40
67
83
100
98

High Clouds (% Sky Obscured)

27
21
39
54
69
53
36
25
20
20
25
28
21
19
21
32
40
41
33
30
51
77
100
93

ISS Passover

Visibility (miles)

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

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

30
45
58
66
83
79
72
69
57
46
24
27
25
6
8
7
2
2
1
0
7
10
4
16

Precipitation Amount (mm)

0
0.2
0.3
0.4
0.8
0.5
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
96
98
100
100
98
100
100
98
98
98
98
98
98
98
96
96
96
94
96
98
100

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

339
339
339
340
340
340
341
341
342
343
345
346
348
350
353
354
355
356
358
360
361
362
363
364

Thursday 15

Waning Crescent 6%

06:52

13:29

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

Sun - Rise: 08:05, Set: 17:01, Transit: 12:33. Moon - Rise: 06:52, Set: 13:29. Civil Dark: 17:35 - 07:31. Nautical Dark: 18:13 - 06:53. Astro Dark: 18:50 - 06:16

Total Clouds (% Sky Obscured)

96
94
93
91
90
94
97
100
90
81
71
75
76
78
84
91
100
100
100
99

Low Clouds (% Sky Obscured)

65
59
69
78
85
92
97
100
90
81
71
66
58
54
66
83
100
99
99
98

Medium Clouds (% Sky Obscured)

95
91
82
70
60
54
52
55
60
65
65
64
58
55
38
22
5
4
3
2

High Clouds (% Sky Obscured)

88
83
79
77
86
86
83
80
80
76
57
48
43
41
34
28
22
15
10
5

ISS Passover

Visibility (miles)

6
3
0
0
0
0
0
0
0
2
4
6
6
7
8
8
8
8
8
8

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

18
16
22
25
20
20
15
8
16
20
28
29
25
20
20
16
9
8
5
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
4
4
5
5
5
5
5
5
5
5
4
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
98
98
98
96
96
96
96
98
98
98

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

362
360
358
357
356
355
356
357
358
361
363
365
368
371
374
369
365
361
360
360

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

Generated: 09/01/26 11:24:17. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+1.00