Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 28

Waxing Gibbous 79%

12:04

05:21

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:53, Set: 17:20, Transit: 12:37. Moon - Rise: 12:04, Set: 05:21. Civil Dark: 17:53 - 07:20. Nautical Dark: 18:30 - 06:43. Astro Dark: 19:06 - 06:07

Total Clouds (% Sky Obscured)

57
67
74
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)

57
67
74
82
100
93
99
99
100
99
98
96
96
95
95
95
96
96
96
95
95
96
95
95

Medium Clouds (% Sky Obscured)

57
67
74
100
100
100
100
100
98
100
100
100
100
100
100
100
99
98
100
96
92
91
96
95

High Clouds (% Sky Obscured)

57
67
74
100
100
100
100
100
100
97
100
100
100
100
100
100
97
91
70
100
100
95
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

100
100
73
74
17
5
64
100
100
92
91
92
93
92
89
94
87
68
68
68
66
68
70
72

Precipitation Type

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

Precipitation Probability (%)

5
11
16
63
70
78
70
60
64
78
81
82
74
77
77
76
82
89
93
81
63
55
56
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
83
81
80
80
84
91
92
94
98
100
100
100
98
100
100
100
100
100
100
98
100
100

Pressure (mb)

994
993
993
993
992
993
993
993
994
994
995
995
995
996
996
997
997
998
998
999
999
1000
1000
1001

Ozone (du)

362
367
375
380
391
403
409
411
413
412
410
410
414
416
419
426
434
444
454
462
463
467
468
470

Thursday 29

Waxing Gibbous 88%

12:58

06:25

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 OK
08 Bad
09 Bad

Sun - Rise: 07:51, Set: 17:21, Transit: 12:37. Moon - Rise: 12:58, Set: 06:25. Civil Dark: 17:54 - 07:19. Nautical Dark: 18:31 - 06:42. Astro Dark: 19:07 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
95
89
78
81
81
75
64
52
49
49
54
51
32
56
33
53
67

Low Clouds (% Sky Obscured)

95
94
93
92
88
87
89
77
69
63
68
72
64
57
47
44
44
50
48
31
30
23
27
19

Medium Clouds (% Sky Obscured)

98
92
98
100
100
91
87
85
79
71
67
64
58
33
21
2
19
4
0
0
37
16
34
55

High Clouds (% Sky Obscured)

100
99
100
100
95
58
55
50
45
40
19
9
4
2
3
5
2
2
2
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
8
9
9
9
9
9
9
9

Fog (%)

67
67
0
0
0
0
0
0
0
0
49
78
82
81
15
24
25
24
21
19
16
13
11
11

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 (%)

42
43
40
40
38
35
33
35
23
12
17
6
1
1
0
0
0
0
0
0
0
0
0
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
100
98
98
98
100
100
100
100
98
98
98
92
90
89
90
90
90
92
92
87

Pressure (mb)

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

Ozone (du)

466
463
463
468
467
461
450
440
428
413
402
384
375
372
378
379
377
376
378
382
386
393
399
400

Friday 30

Waxing Gibbous 95%

14:07

07:15

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:50, Set: 17:23, Transit: 12:37. Moon - Rise: 14:07, Set: 07:15. Civil Dark: 17:56 - 07:17. Nautical Dark: 18:33 - 06:41. Astro Dark: 19:09 - 06:05

Total Clouds (% Sky Obscured)

97
97
100
100
98
100
100
99
100
91
45
89
100
100
94
88
70
100
100
100
100
96
93
77

Low Clouds (% Sky Obscured)

17
87
86
97
94
96
87
48
59
80
38
73
44
39
52
37
44
53
47
42
52
51
43
27

Medium Clouds (% Sky Obscured)

95
94
99
100
97
72
84
71
100
81
45
82
61
46
45
49
49
43
51
66
100
91
83
56

High Clouds (% Sky Obscured)

0
0
0
0
11
55
53
73
46
29
1
1
75
0
0
40
48
100
100
100
100
82
63
21

ISS Passover

Visibility (miles)

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

Fog (%)

1
2
2
4
4
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

6
21
43
67
73
64
40
9
1
6
0
0
0
1
8
14
18
21
19
15
6
5
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
5
5
5
5
4
4
4
4
5
5
5
4
4
4
3
3
3
3
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
77
80
86
91
94
96
94
94
96
98
94
94
94
94
96
98
98
96
94
96
96
96
91

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

399
396
394
394
393
389
385
382
378
376
376
377
384
384
383
387
389
392
393
391
391
389
387
387

Saturday 31

Waxing Gibbous 99%

15:28

07:50

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:49, Set: 17:24, Transit: 12:37. Moon - Rise: 15:28, Set: 07:50. Civil Dark: 17:57 - 07:16. Nautical Dark: 18:34 - 06:39. Astro Dark: 19:10 - 06:04

Total Clouds (% Sky Obscured)

74
59
60
86
94
89
69
82
73
79
84
91
89
87
83
88
79
72
61
52
51
58
63
64

Low Clouds (% Sky Obscured)

25
23
21
26
27
42
29
29
44
68
63
68
77
79
70
66
58
53
42
39
35
44
45
42

Medium Clouds (% Sky Obscured)

65
58
60
65
60
60
47
31
19
28
33
40
34
69
68
78
63
40
39
21
24
8
11
16

High Clouds (% Sky Obscured)

8
13
18
53
77
67
44
65
50
40
40
40
40
18
1
2
5
8
5
3
0
8
14
21

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
77
77
76
79
86
93
93
93
91
92
92
94
94
96
94
94
94
94
94
92
92
87

Pressure (mb)

1004
1004
1004
1005
1005
1005
1006
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

390
392
392
392
393
393
394
394
395
398
399
399
400
401
399
397
397
398
399
401
402
404
406
405

Sunday 1

Full Moon 100%

16:52

08:17

10 Bad
11 OK
12 OK
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 OK
07 OK
08 OK
09 OK

Sun - Rise: 07:48, Set: 17:26, Transit: 12:37. Moon - Rise: 16:52, Set: 08:17. Civil Dark: 17:59 - 07:15. Nautical Dark: 18:35 - 06:38. Astro Dark: 19:11 - 06:02

Total Clouds (% Sky Obscured)

49
44
48
53
100
100
100
100
100
97
93
89
92
96
100
91
83
75
60
43
27
29
30
27

Low Clouds (% Sky Obscured)

30
25
27
33
35
42
44
47
55
59
61
65
72
77
80
73
68
64
43
23
4
4
3
2

Medium Clouds (% Sky Obscured)

26
34
35
30
30
25
20
95
100
96
92
88
91
95
99
78
58
38
30
22
19
13
7
0

High Clouds (% Sky Obscured)

34
44
48
53
100
100
100
100
100
70
43
23
15
9
0
2
2
3
5
7
6
16
23
26

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
43
43
39
38
35
35
33
26
24
22
14
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
77
74
72
73
83
89
89
89
91
91
91
92
92
92
91
91
91
91
91
91
83
78

Pressure (mb)

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

Ozone (du)

400
408
420
416
402
391
385
378
375
375
374
374
374
372
370
368
369
369
370
369
368
367
367
367

Monday 2

Waning Gibbous 99%

18:15

08:37

10 OK
11 OK
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

Sun - Rise: 07:46, Set: 17:27, 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)

34
42
50
65
81
96
97
99
100
100
100
100
100
100
100
91
82
75
85
92
100
100
100
100

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
2
4
6
4
2
0
0
0
0
0
0
0
1
2
2
20
35
48

Medium Clouds (% Sky Obscured)

6
11
16
21
31
37
53
76
100
100
100
100
100
100
100
76
50
29
56
75
86
89
93
100

High Clouds (% Sky Obscured)

30
35
39
56
74
92
94
97
100
100
100
100
100
100
100
90
82
75
85
92
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
12
16
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
69
65
61
66
71
76
77
80
83
81
81
81
81
83
84
84
86
89
88
88
88
84
81

Pressure (mb)

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

Ozone (du)

368
366
365
363
361
359
357
356
354
353
353
354
354
356
359
362
364
366
368
372
375
378
383
388

Tuesday 3

Waning Gibbous 95%

19:33

08:54

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
23 Bad
00 Bad

Sun - Rise: 07:45, Set: 17:29, Transit: 12:38. Moon - Rise: 19:33, Set: 08:54. Civil Dark: 18:01 - 07:12. Nautical Dark: 18:38 - 06:36. Astro Dark: 19:14 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
95
92
87
82
77
79
81
85

Low Clouds (% Sky Obscured)

49
50
46
38
29
22
24
25
28
17
11
4
14
23
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
94
89
81
65
46
38
44
51
57

High Clouds (% Sky Obscured)

100
100
100
100
100
99
80
61
38
30
23
15
15
20
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

31
39
42
36
28
11
16
14
8
13
12
5
14
18
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
76
75
78
79
82
85
88
93
93
91
93
93
91

Pressure (mb)

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

Ozone (du)

394
393
392
391
394
397
400
402
403
405
405
405
405
404
403

Forecast for Gfell, Bezirk Pfäffikon, Switzerland (47.38,8.93)

Generated: 28/01/26 10:07:06. Forecast: 28/01/26 to 03/02/26. Timezone: UTC+1.00