Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 8%

09:27

20:12

09 Bad
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Good
18 Good
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

Sun - Rise: 08:00, Set: 17:09, Transit: 12:35. Moon - Rise: 09:27, Set: 20:12. Civil Dark: 17:43 - 07:27. Nautical Dark: 18:21 - 06:49. Astro Dark: 18:57 - 06:13

Total Clouds (% Sky Obscured)

76
45
36
32
32
26
29
24
5
8
44
51
90
96
87
96
98
84
80
79
94
100
100
100

Low Clouds (% Sky Obscured)

2
2
18
28
30
23
22
21
0
0
30
38
55
53
55
55
55
55
56
55
57
57
58
58

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
3
3
5
5
5
9
3
3
8
20
19
54
67
46
58
66
38
31
32
52
70
70
73

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 (%)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
17
17
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-2
-1
1
-1
-1
-1
-1
-2
-2
-4
-5
-5
-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

87
76
71
69
66
70
75
87
89
89
87
89
91
92
92
92
92
92
92
92
92
92
91
89

Pressure (mb)

1013
1011
1010
1009
1008
1007
1006
1006
1005
1005
1005
1004
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1002

Ozone (du)

375
381
385
387
385
382
377
374
370
367
364
360
357
355
351
349
350
350
349
349
347
342
341
342

Thursday 22

Waxing Crescent 15%

09:44

21:26

09 Bad
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

Sun - Rise: 07:59, Set: 17:11, Transit: 12:35. Moon - Rise: 09:44, Set: 21:26. Civil Dark: 17:44 - 07:26. Nautical Dark: 18:22 - 06:48. Astro Dark: 18:58 - 06:12

Total Clouds (% Sky Obscured)

98
96
99
98
85
49
96
100
100
100
100
100
89
92
89
83
66
47
90
100
100
100
86
89

Low Clouds (% Sky Obscured)

55
54
51
50
39
26
0
8
11
27
25
13
11
13
13
10
3
3
4
4
4
4
4
2

Medium Clouds (% Sky Obscured)

0
0
0
1
2
2
3
47
79
94
100
100
81
51
62
13
20
12
25
59
98
88
86
89

High Clouds (% Sky Obscured)

90
85
93
92
70
26
93
100
100
100
73
68
68
46
40
68
56
36
74
100
100
35
4
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 (%)

9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
74
72
72
71
74
86
91
91
89
91
91
91
89
90
89
89
90
89
89
87
90
92

Pressure (mb)

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

Ozone (du)

341
340
344
346
349
351
355
358
360
358
358
362
365
370
367
370
378
380
378
378
380
382
372
372

Friday 23

Waxing Crescent 23%

10:00

22:40

09 Bad
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

Sun - Rise: 07:58, Set: 17:12, Transit: 12:36. Moon - Rise: 10:00, Set: 22:40. Civil Dark: 17:46 - 07:25. Nautical Dark: 18:23 - 06:47. Astro Dark: 18:59 - 06:11

Total Clouds (% Sky Obscured)

71
49
89
67
74
83
100
100
100
100
99
68
54
58
74
62
63
63
67
57
56
68
72
100

Low Clouds (% Sky Obscured)

2
2
2
29
38
45
42
45
42
43
38
37
38
33
16
4
7
10
13
24
35
51
53
45

Medium Clouds (% Sky Obscured)

67
30
62
67
74
83
100
100
98
98
98
58
3
19
48
48
50
50
45
50
56
68
68
65

High Clouds (% Sky Obscured)

2
25
45
50
45
44
100
100
100
96
77
14
15
0
0
62
44
25
4
25
41
65
47
73

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
1
1
1
0
0
0
0
0
0
0
0
1
1
1
18
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
79
72
71
72
72
78
84
89
89
91
91
91
89
89
89
92
91
92
92
94
92
94
94

Pressure (mb)

1001
1000
1000
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
1000

Ozone (du)

370
367
368
371
373
372
371
368
368
370
374
377
379
381
381
381
382
383
385
384
386
388
391
395

Saturday 24

Waxing Crescent 33%

10:16

23:57

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
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

Sun - Rise: 07:57, Set: 17:14, Transit: 12:36. Moon - Rise: 10:16, Set: 23:57. Civil Dark: 17:47 - 07:24. Nautical Dark: 18:25 - 06:47. Astro Dark: 19:01 - 06:10

Total Clouds (% Sky Obscured)

61
59
54
54
56
60
22
41
57
66
69
70
74
83
91
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
43
46
45
32
16
2
9
16
24
30
37
46
82
91
100
100
100
100
100
99
99
99
99

Medium Clouds (% Sky Obscured)

61
58
51
43
29
13
0
4
49
12
30
42
40
53
60
68
81
90
100
99
83
85
64
100

High Clouds (% Sky Obscured)

11
9
3
3
25
53
22
39
51
52
41
41
40
53
60
75
82
91
98
99
93
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
3

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
Snow
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

33
35
31
21
17
12
0
0
0
0
2
7
9
28
54
71
70
51
23
9
6
4
10
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
83
80
76
75
76
83
88
89
91
91
92
92
92
100
100
100
100
98
100
98
98
98

Pressure (mb)

1000
1000
999
999
998
998
998
998
998
998
999
999
1000
1000
1000
1000
1000
1000
1000
1000
999
1000
1000
1000

Ozone (du)

398
400
401
402
404
405
407
411
415
419
419
418
420
421
419
418
420
421
423
424
424
425
427
429

Sunday 25

Waxing Crescent 45%

10:34

01:17

09 Bad
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

Sun - Rise: 07:56, Set: 17:15, Transit: 12:36. Moon - Rise: 10:34, Set: 01:17. Civil Dark: 17:49 - 07:23. Nautical Dark: 18:26 - 06:46. Astro Dark: 19:02 - 06:09

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

99
99
99
99
98
97
96
88
70
70
64
63
65
72
79
84
91
94
97
94
92
90
91
92

Medium Clouds (% Sky Obscured)

95
59
100
100
91
83
45
9
16
16
51
56
57
66
76
86
88
90
92
94
97
100
100
100

High Clouds (% Sky Obscured)

100
99
100
100
84
68
56
48
53
60
100
100
100
78
59
39
65
81
87
77
64
47
50
65

ISS Passover

Visibility (miles)

9
3
0
9
9
9
9
9
9
9
9
9
9
9
7
5
2
2
1
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

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

Precipitation Probability (%)

8
14
12
2
3
2
0
0
1
0
21
26
29
32
38
40
57
67
74
71
70
71
69
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
2
3
3
3
3
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
94
91
91
88
86
87
89
91
92
94
94
94
94
94
96
96
98
100
98
98
100
98

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1002
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1004
1004

Ozone (du)

430
431
433
434
431
430
432
434
436
438
440
441
442
443
443
443
443
441
440
438
438
437
437
431

Monday 26

First Quarter 56%

10:56

02:40

09 Bad
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

Sun - Rise: 07:55, Set: 17:17, Transit: 12:36. Moon - Rise: 10:56, Set: 02:40. Civil Dark: 17:50 - 07:22. Nautical Dark: 18:27 - 06:45. Astro Dark: 19:03 - 06:09

Total Clouds (% Sky Obscured)

100
98
97
95
95
96
97
96
94
93
95
97
99
97
95
93
86
78
74
72
69
65
69
73

Low Clouds (% Sky Obscured)

92
92
93
91
91
92
93
88
85
79
82
84
86
71
57
42
34
28
21
23
29
35
49
62

Medium Clouds (% Sky Obscured)

100
91
82
71
61
57
50
39
33
26
45
56
69
73
74
71
55
36
20
25
38
45
54
71

High Clouds (% Sky Obscured)

61
42
23
4
3
2
0
1
3
5
4
3
3
12
27
42
50
69
74
72
69
65
69
73

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
4
6
9
9
9
9
9
9
9
9
9
9
6
4
1
3

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

Precipitation Probability (%)

58
56
55
53
50
48
50
43
37
31
28
23
17
16
15
13
12
11
7
9
18
28
51
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
4
4
5
5
5
6
5
6
7
6
6
6
6
5
5
6
5
6
5
5
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

425
419
413
407
401
404
407
410
406
402
398
395
392
389
389
389
388
386
384
382
376
370
364
363

Tuesday 27

Waxing Gibbous 68%

11:25

04:03

09 Bad
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: 07:54, Set: 17:18, Transit: 12:37. Moon - Rise: 11:25, Set: 04:03. Civil Dark: 17:51 - 07:21. Nautical Dark: 18:28 - 06:44. Astro Dark: 19:05 - 06:08

Total Clouds (% Sky Obscured)

77
78
78
80
85
93
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
77
78
80
77
72
71
70
69
72
65
64
59
66
72
79

Medium Clouds (% Sky Obscured)

77
76
74
68
76
86
100
100
100
100
95
100
100
93
86
78

High Clouds (% Sky Obscured)

70
50
40
45
63
83
100
79
58
39
50
61
72
53
38
15

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

86
81
75
69
70
73
77
92
95
95
95
95
95
95
95
88

Precipitation Amount (mm)

0.5
0.4
0.4
0.3
0.3
0.4
0.5
0.7
0.8
0.8
1.2
1.7
2.2
1.6
1
0.5

Wind Speed/Direction (mph)

10
14
13
13
12
11
9
8
8
8
8
9
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1001
1001
1000
1000
999
999
999
998
998
998
998
998
998
999
999
999

Ozone (du)

362
360
362
364
366
368
370
371
374
376
379
385
391
397
400
402

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

Generated: 21/01/26 09:17:11. Forecast: 21/01/26 to 27/01/26. Timezone: UTC+1.00