Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 30

Waxing Gibbous 95%

15:28

07:15

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
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

Sun - Rise: 07:50, Set: 17:24, Transit: 12:37. Moon - Rise: 15:28, Set: 07:15. Civil Dark: 17:57 - 07:17. Nautical Dark: 18:33 - 06:41. Astro Dark: 19:09 - 06:05

Total Clouds (% Sky Obscured)

99
99
94
88
48
13
7
47
50
100
60
63
99
99
99
70
63
61
53
65
61
60
74
58

Low Clouds (% Sky Obscured)

84
74
66
59
37
8
2
2
4
3
3
2
5
23
24
23
14
5
25
32
29
19
14
14

Medium Clouds (% Sky Obscured)

89
59
16
3
5
0
0
0
10
100
60
39
66
95
99
64
53
53
23
54
37
31
22
16

High Clouds (% Sky Obscured)

72
52
55
55
18
3
3
47
50
51
7
39
99
86
44
22
6
6
19
25
8
9
55
50

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
2
3
6
6
6
4
4
2
2
1
13
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 (%)

11
3
0
0
0
0
0
2
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
89
87
91
91
91
92
91
91
91
91
89
87
81
74
69
65
64
65
68
77
88

Pressure (mb)

1002
1003
1003
1003
1002
1002
1002
1002
1003
1002
1002
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1006

Ozone (du)

390
389
388
395
397
400
408
416
417
414
412
412
415
413
411
408
405
404
405
405
407
408
407
409

Saturday 31

Waxing Gibbous 99%

16:52

07:50

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
16 Bad
17 Bad

Sun - Rise: 07:49, Set: 17:26, Transit: 12:37. Moon - Rise: 16:52, Set: 07:50. Civil Dark: 17:59 - 07:16. Nautical Dark: 18:34 - 06:40. Astro Dark: 19:10 - 06:04

Total Clouds (% Sky Obscured)

52
41
46
67
89
93
96
98
99
100
99
99
100
100
100
100
100
99
96
97
90
67
78
80

Low Clouds (% Sky Obscured)

2
10
30
51
83
89
95
97
99
100
99
99
100
100
100
100
94
91
92
94
90
65
77
79

Medium Clouds (% Sky Obscured)

16
19
17
19
23
32
38
40
42
38
37
48
51
50
55
55
55
54
18
12
10
14
0
0

High Clouds (% Sky Obscured)

51
21
8
8
6
8
8
16
35
50
44
51
55
60
65
65
51
20
0
0
0
3
2
2

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
2
2
1
0
1
2
3
6
8
10
10
12
12
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
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
1
1
2
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
96
96
96
92
94
92
92
91
91
91
91
91
91
87
83
81
80
78
77
74
80
89

Pressure (mb)

1007
1008
1009
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011

Ozone (du)

411
413
415
416
418
418
418
419
418
417
415
418
420
422
425
430
433
433
430
426
425
429
438
447

Sunday 1

Full Moon 100%

No Rise

08:17

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 OK
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:48, Set: 17:27, Transit: 12:38. Moon - Rise: No Rise, Set: 08:17. Civil Dark: N/A - 07:15. Nautical Dark: 18:35 - 06:38. Astro Dark: 19:11 - 06:03

Total Clouds (% Sky Obscured)

72
82
96
100
100
100
95
100
100
91
84
59
54
56
57
49
85
90
53
43
74
69
77
81

Low Clouds (% Sky Obscured)

71
64
66
70
63
63
65
64
58
57
52
47
49
56
55
47
48
50
45
32
15
0
1
2

Medium Clouds (% Sky Obscured)

0
14
21
96
100
100
88
89
99
80
71
33
27
22
34
16
5
0
2
10
17
22
25
36

High Clouds (% Sky Obscured)

24
77
46
97
40
27
4
36
21
1
0
0
0
0
0
0
21
30
8
4
30
30
33
46

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
1
1
0
0
1
5
25
25
25
25
25
25
25
25
25
25
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
91
92
92
92
92
92
94
92
94
94
96
92
91
81
70
66
61
58
57
59
69
79

Pressure (mb)

1011
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1008
1008
1008
1007
1007
1007
1006
1005
1004
1003
1003
1003

Ozone (du)

449
415
407
410
412
414
409
399
391
385
384
381
378
372
367
366
366
364
359
356
353
352
350
348

Monday 2

Waning Gibbous 99%

18:15

08:37

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 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:46, Set: 17:29, Transit: 12:38. Moon - Rise: 18:15, Set: 08:37. Civil Dark: 18:00 - 07:14. Nautical Dark: 18:37 - 06:37. Astro Dark: 19:13 - 06:01

Total Clouds (% Sky Obscured)

86
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
78
57
35
44
52
64
76
89

Low Clouds (% Sky Obscured)

4
3
3
3
2
3
2
2
2
2
3
4
5
4
3
2
2
1
0
0
0
0
10
22

Medium Clouds (% Sky Obscured)

40
48
58
100
100
100
100
100
100
100
80
63
45
43
44
67
78
57
35
44
43
3
12
45

High Clouds (% Sky Obscured)

53
69
86
100
100
100
100
100
100
100
100
100
100
100
100
100
78
53
30
35
45
52
68
84

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 (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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

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
6
5
5
4
4
4
5
5
4
4
4
4
6
5
5
5
4
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
89
91
92
92
92
89
89
86
81
86
87
91
89
91
84
74
70
67
63
63
61
72
79

Pressure (mb)

1003
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1004
1005

Ozone (du)

346
343
342
342
341
339
341
340
340
340
342
341
339
340
341
344
346
347
349
348
351
352
352
352

Tuesday 3

Waning Gibbous 95%

19:33

08:54

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
16 Bad
17 Bad

Sun - Rise: 07:45, Set: 17:31, Transit: 12:38. Moon - Rise: 19:33, Set: 08:54. Civil Dark: 18:02 - 07:12. Nautical Dark: 18:38 - 06:36. Astro Dark: 19:14 - 06:00

Total Clouds (% Sky Obscured)

100
98
95
94
94
94
94
96
97
98
92
86
80
61
80
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
52
64
71
65
70
70
64
58
57
51
45
23
31
35
35
38
42
47
43
45
48
52
59

Medium Clouds (% Sky Obscured)

54
70
70
63
58
74
89
93
83
79
92
86
80
58
53
51
62
73
85
84
83
83
88
92

High Clouds (% Sky Obscured)

100
87
76
65
56
48
40
40
40
45
50
50
60
41
72
100
100
100
100
100
100
100
97
95

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 (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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 (%)

5
7
16
18
14
17
14
18
16
9
9
9
6
7
9
9
10
7
3
8
9
8
17
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
84
86
91
94
94
94
94
94
96
94
96
94
94
92
92
93
93
91
91
91
93
93

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1005
1005
1004
1004
1004
1004

Ozone (du)

354
356
357
359
362
363
364
365
364
366
370
374
377
378
382
385
389
392
396
399
398
398
397
399

Wednesday 4

Waning Gibbous 89%

20:47

09:10

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
16 Bad
17 Bad

Sun - Rise: 07:43, Set: 17:32, Transit: 12:38. Moon - Rise: 20:47, Set: 09:10. Civil Dark: 18:03 - 07:11. Nautical Dark: 18:40 - 06:35. Astro Dark: 19:15 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
89
79
70
68
69
72
68
62
50
63
78
100
100
100
100
97
94
92
95
97

Low Clouds (% Sky Obscured)

65
68
70
70
71
73
70
68
68
70
63
61
50
49
49
49
49
49
50
53
50
52
44
27

Medium Clouds (% Sky Obscured)

97
98
99
100
72
43
20
37
33
33
40
40
40
31
27
22
46
72
100
96
91
87
87
84

High Clouds (% Sky Obscured)

95
82
55
40
40
40
40
35
35
40
30
25
25
50
75
100
100
100
100
83
62
38
55
74

ISS Passover

Visibility (miles)

9
9
6
3
0
1
2
3
2
1
0
0
0
1
3
6
9
9
9
9
9
9
9
9

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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 (%)

16
22
18
9
12
9
5
10
8
3
7
7
7
13
13
11
24
26
26
30
27
22
16
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
98
96
98
98
98
98
98
98
98
98
98
94
94
91
91
89
89
86
85
85
88

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1003
1003
1002
1002
1001
1001
1000
1000
1000

Ozone (du)

402
404
403
403
402
404
406
408
406
404
402
404
407
410
411
413
415
411
407
403
399
396
392
389

Thursday 5

Waning Gibbous 81%

21:59

09:25

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: 07:42, Set: 17:34, Transit: 12:38. Moon - Rise: 21:59, Set: 09:25. Civil Dark: 18:04 - 07:10. Nautical Dark: 18:41 - 06:33. Astro Dark: 19:17 - 05:58

Total Clouds (% Sky Obscured)

99
99
98
98
98
97
97
93
91
89
89
89
90
93
96
100
97
94
90

Low Clouds (% Sky Obscured)

10
11
11
12
9
6
3
3
2
3
3
4
4
18
32
41
40
40
39

Medium Clouds (% Sky Obscured)

80
69
50
33
48
63
79
84
88
89
89
87
87
93
96
100
97
94
90

High Clouds (% Sky Obscured)

94
95
93
84
77
76
82
71
63
72
81
81
85
89
93
97
94
88
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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
3
3
3
3
3
2
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
96
94
96
94
94
96
96
94
94
94
93
91
91
88
86
84
85
83

Pressure (mb)

1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002

Ozone (du)

386
383
385
387
390
389
389
389
388
388
387
388
389
391
391
391
392
392
393

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

Generated: 30/01/26 18:29:55. Forecast: 30/01/26 to 05/02/26. Timezone: UTC+1.00