Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 3%

09:08

17:43

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

Sun - Rise: 08:02, Set: 17:06, Transit: 12:35. Moon - Rise: 09:08, Set: 17:43. Civil Dark: 17:40 - 07:28. Nautical Dark: 18:18 - 06:51. Astro Dark: 18:55 - 06:14

Total Clouds (% Sky Obscured)

84
64
53
45
9
10
8
7
8
9
24
46
47
37
10
12
22
9
41
9
9
18
21
18

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
1
0
0
0
1
0
2
2
2
1
0
0
33
0
0
13
16
12

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
1

High Clouds (% Sky Obscured)

17
17
21
5
5
5
5
5
6
7
24
46
47
37
4
12
22
7
6
9
9
7
7
7

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
84
87
91
91
91
91
91
91
91
89
89
87
87
86
84
84
82
79
69
65
61
60

Pressure (mb)

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

Ozone (du)

365
371
377
382
385
387
387
388
386
386
386
386
383
378
378
380
377
377
373
371
373
374
375
375

Tuesday 20

Waxing Crescent 3%

09:27

18:58

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

Sun - Rise: 08:01, Set: 17:08, Transit: 12:35. Moon - Rise: 09:27, Set: 18:58. Civil Dark: 17:42 - 07:27. Nautical Dark: 18:19 - 06:50. Astro Dark: 18:56 - 06:13

Total Clouds (% Sky Obscured)

19
18
8
9
14
8
4
4
1
15
2
27
47
57
51
43
36
31
37
38
2
3
3
0

Low Clouds (% Sky Obscured)

12
13
0
0
0
0
0
0
1
15
2
25
45
57
51
43
36
31
37
38
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

10
8
8
7
14
7
3
3
0
0
0
2
2
0
0
0
0
0
0
0
2
2
2
0

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
0
0
1
2
2
4
4
4
2
2
1
0
0
3
9
13
13
10
8
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
2
2
3
3
3
4
4
4
4
4
4
4
5
5
4
4
3
3
2
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
64
77
83
86
87
89
89
89
89
89
89
87
85
85
84
84
84
84
80
69
64
60
59

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1009
1008
1006

Ozone (du)

376
377
379
378
378
378
377
376
378
377
378
376
376
376
373
373
375
378
379
382
382
378
378
378

Wednesday 21

Waxing Crescent 8%

09:44

20:12

14 Good
15 Good
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

Sun - Rise: 08:00, Set: 17:09, Transit: 12:36. Moon - Rise: 09:44, 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)

6
10
55
87
65
60
60
60
60
63
62
72
82
58
56
73
55
63
75
87
92
87
99
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
14
10
48
35
35
40
46
36
38
45
46
34
29
30
12
20
26
29
35
57
44
45

High Clouds (% Sky Obscured)

6
10
52
85
60
57
56
50
13
61
62
54
42
25
13
23
29
35
46
60
74
75
99
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
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
2
2
3
4
4
4
5
5
5
4
3
4
4
4
4
4
4
4
3
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
65
75
83
86
87
89
91
91
91
91
89
87
86
84
84
84
81
79
72
62
55
53
52

Pressure (mb)

1005
1005
1004
1004
1004
1004
1003
1003
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
999
998
998

Ozone (du)

377
375
374
378
382
381
380
377
379
380
377
373
368
365
363
359
355
354
355
356
357
355
355
355

Thursday 22

Waxing Crescent 15%

10:00

21:26

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:59, Set: 17:11, Transit: 12:36. Moon - Rise: 10:00, 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)

100
100
90
81
71
75
83
83
85
77
59
70
95
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
4
8
4
4
2
2
4
4
4
3
40
40
40

Medium Clouds (% Sky Obscured)

46
47
43
38
67
72
78
66
33
21
8
9
8
9
11
30
61
67
69
71
79
86
95
96

High Clouds (% Sky Obscured)

100
100
87
74
61
67
73
67
75
67
42
62
95
100
100
100
100
100
100
100
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
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
3
2
2
3
3
4
3
4
4
5
5
5
5
5
4
4
3
2
2
1
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
58
69
76
78
80
81
83
86
87
87
85
84
82
81
81
81
78
81
78
71
66
65
65

Pressure (mb)

998
998
998
998
999
999
1000
1000
1001
1001
1001
1002
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

357
360
365
369
373
374
375
376
377
380
381
383
386
385
380
376
378
379
376
372
373
372
375
378

Friday 23

Waxing Crescent 23%

10:16

22:40

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:58, Set: 17:12, Transit: 12:36. Moon - Rise: 10:16, Set: 22:40. Civil Dark: 17:46 - 07:25. Nautical Dark: 18:23 - 06:47. Astro Dark: 19:00 - 06:11

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

40
40
49
59
71
74
81
85
81
67
44
54
60
68
73
78
84
86
89
89
87
87
85
89

Medium Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
99
31
23
38
55
76
54
34
14
16
19
21
21
20
20
46

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
100
100
100
96
90
82
82
80
72
69
64
56
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
3
5
6
9
9
3
5
2
0
3
3
0
2
3
2
13
22
29
40
42
44
52

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
69
73
78
83
83
83
84
84
87
89
91
92
92
94
94
94
94
96
96
100
98
98
98

Pressure (mb)

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

Ozone (du)

377
374
372
370
370
372
374
376
378
378
376
375
374
373
371
375
380
384
384
384
384
385
386
386

Saturday 24

Waxing Crescent 33%

10:34

23:57

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:57, Set: 17:14, Transit: 12:36. Moon - Rise: 10:34, 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)

100
100
100
100
100
98
94
91
92
93
93
93
94
94
96
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
96
94
94
92
91
91
90
91
91
92
90
90
89
89
88
84
80
77
75
84
90
96
98

Medium Clouds (% Sky Obscured)

73
100
100
100
100
90
74
61
59
55
50
52
53
55
70
84
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

85
100
100
100
100
73
47
25
29
24
24
25
37
43
51
52
58
70
86
100
88
79
71
65

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

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

Precipitation Probability (%)

58
67
82
92
95
95
91
92
76
63
60
52
42
34
29
24
19
17
14
5
18
26
33
36

Precipitation Amount (mm)

0.2
0.3
0.5
0.7
0.8
0.7
0.6
0.7
0.4
0.2
0.3
0.2
0.1
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
4
4
4
4
4
3
3
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

387
388
390
391
392
394
395
395
396
397
399
401
406
411
416
416
417
417
421
425
429
431
433
434

Sunday 25

Waxing Crescent 45%

10:56

01:17

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

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

99
100
99
99
98
98
98
96
97
98
99
99
99
99
98
97
95

Medium Clouds (% Sky Obscured)

99
98
99
100
100
95
89
83
64
46
25
34
40
49
47
47
43

High Clouds (% Sky Obscured)

61
77
81
80
80
68
57
57
48
36
22
31
41
51
52
51
70

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
9
9
9
8
6
5
4
2

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

40
45
41
38
33
28
23
21
22
21
20
20
20
18
23
24
23

Precipitation Amount (mm)

0
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
3
3
3
3
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006

Ozone (du)

434
434
434
435
436
437
438
440
441
441
441
441
440
439
438
437
436

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

Generated: 19/01/26 14:41:37. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+1.00