Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Gibbous 99%

18:15

08:37

15 Good
16 OK
17 OK
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 OK
11 Bad
12 Bad
13 Bad
14 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)

0
23
32
100
100
100
100
100
100
100
100
100
100
100
99
50
100
99
61
22
63
62
60
100

Low Clouds (% Sky Obscured)

0
23
32
84
71
87
80
79
79
65
63
52
32
30
16
0
0
2
26
17
4
18
19
34

Medium Clouds (% Sky Obscured)

0
23
32
46
48
93
100
100
100
100
100
100
100
95
76
18
100
98
38
4
63
62
60
100

High Clouds (% Sky Obscured)

0
23
32
100
100
100
100
91
100
100
95
100
100
99
98
35
81
74
0
0
0
0
0
1

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
1
2
1
35
39
34
20
10
3
0
0
2
2
3
6
5
2
2
1
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
4
4
5
5
6
6
5
5
4
4
6
6
7
7
7
7
6
5
8
4
5
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
69
77
83
88
93
88
88
88
89
91
89
88
89
91
92
93
91
86
71
65
63
62
62

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
999
998
997
996
996
997
997
998
1000
1000
1000
1000

Ozone (du)

376
371
369
368
367
367
367
368
367
365
364
367
367
368
368
373
376
380
392
398
402
402
401
403

Tuesday 3

Waning Gibbous 95%

19:33

08:54

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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:45, Set: 17:29, 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
82
67
100
71
77
26
30
77
64
60
60
77
75
28
52
77
69
100
58
61
100
100
100

Low Clouds (% Sky Obscured)

33
50
30
21
12
2
2
19
9
4
3
16
13
12
1
0
2
2
2
2
0
12
0
0

Medium Clouds (% Sky Obscured)

100
63
62
100
71
77
20
16
24
63
60
49
19
15
15
17
28
22
17
19
21
100
100
100

High Clouds (% Sky Obscured)

97
25
25
19
0
36
1
0
50
2
2
8
50
53
18
34
56
52
100
58
61
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
2
4
2
0
1
0
1
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 (%)

3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
72
76
80
80
85
88
86
86
84
84
84
84
86
86
86
86
83
75
66
61
60
60
59

Pressure (mb)

1001
1001
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003
1003
1002
1001
1000
999
998
997

Ozone (du)

406
407
405
407
411
413
409
411
412
414
417
419
419
420
420
420
421
423
424
425
425
422
419
416

Wednesday 4

Waning Gibbous 89%

20:47

09:10

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 OK
13 Good
14 Good

Sun - Rise: 07:43, Set: 17:31, 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
56
100
56
55
83
100
100
66
54
53
46
45
45
63
81
99
83
66
30
3
4

Low Clouds (% Sky Obscured)

0
2
2
20
28
48
52
51
49
50
47
44
40
40
24
18
15
26
39
24
14
0
0
2

Medium Clouds (% Sky Obscured)

100
100
100
50
100
56
42
5
8
9
15
25
50
36
31
4
15
28
34
25
16
0
0
0

High Clouds (% Sky Obscured)

100
100
100
50
45
40
45
79
100
100
48
37
36
26
30
35
54
70
90
70
57
25
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
1
0
1
1
1
1
1
1
1
1
0
0
0
2
6
10
10
10
10
10
10
10
10

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
3
2
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
69
77
86
91
94
96
96
87
89
89
89
92
92
91
94
92
91
83
72
62
58
56
54

Pressure (mb)

997
996
996
996
996
996
996
996
996
996
996
997
997
997
996
996
996
996
996
996
996
995
995
994

Ozone (du)

417
413
414
415
417
419
419
420
417
411
415
431
435
431
429
433
434
427
420
421
421
420
412
413

Thursday 5

Waning Gibbous 81%

21:59

09:25

15 Good
16 Good
17 Good
18 OK
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

Sun - Rise: 07:42, Set: 17:32, 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)

0
8
16
36
77
90
100
100
100
100
98
74
87
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
10
27
13
1
2
0
1
21
41
59
61
63
60
53
82
74
71
74

Medium Clouds (% Sky Obscured)

0
0
0
0
25
80
100
100
100
96
97
62
62
57
57
57
74
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
7
13
34
77
90
48
74
54
100
64
67
83
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 (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
18
28
37
51
60
68
62
52
39
36
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
63
70
78
81
81
83
80
80
80
81
81
81
80
80
78
76
73
66
59
54
54
62
62

Pressure (mb)

994
993
993
993
994
994
993
993
993
993
993
993
993
994
994
994
995
996
996
997
997
997
998
998

Ozone (du)

411
407
404
412
413
409
406
407
399
392
390
390
391
389
388
386
388
387
386
388
393
393
390
389

Friday 6

Waning Gibbous 72%

23:09

09:41

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
14 Bad

Sun - Rise: 07:41, Set: 17:34, Transit: 12:38. Moon - Rise: 23:09, Set: 09:41. Civil Dark: 18:06 - 07:08. Nautical Dark: 18:42 - 06:32. Astro Dark: 19:18 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
79
65
56
51
45
51
57
54
56
58
60
59
60

Low Clouds (% Sky Obscured)

63
71
69
69
69
75
75
68
60
49
45
50
51
47
44
40
42
40
37
32
32
29
31
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
79
65
56
51
45
51
57
54
56
58
60
56
29

High Clouds (% Sky Obscured)

100
100
100
100
80
60
45
62
75
90
75
62
50
25
30
35
25
20
25
20
15
15
19
17

ISS Passover

Visibility (miles)

9
9
5
7
1
0
0
2
9
9
7
6
5
4
6
8
9
9
9
9
9
9
9
9

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

31
48
58
54
66
71
54
41
25
35
38
36
33
32
29
21
15
11
3
7
5
2
2
1

Precipitation Amount (mm)

0
0.2
0.3
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
5
5
4
4
4
4
4
4
4
3
3
2
2
1
1
1
2
2
4
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
76
88
93
93
98
98
96
94
93
94
94
96
96
93
91
91
89
86
86
79
72
66
66

Pressure (mb)

998
998
999
1000
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

390
390
391
392
391
391
391
391
391
392
395
393
390
388
389
390
391
390
389
388
389
390
391
391

Saturday 7

Waning Gibbous 63%

00:19

09:59

15 Bad
16 Bad
17 OK
18 OK
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

Sun - Rise: 07:39, Set: 17:35, Transit: 12:38. Moon - Rise: 00:19, Set: 09:59. Civil Dark: 18:07 - 07:07. Nautical Dark: 18:44 - 06:31. Astro Dark: 19:19 - 05:55

Total Clouds (% Sky Obscured)

59
53
43
36
52
66
73
79
85
92
86
72
60
74
87
100
90
78
64
69
71
74
79
83

Low Clouds (% Sky Obscured)

33
22
12
5
6
6
7
6
4
3
3
3
3
6
9
14
20
25
30
27
29
28
33
38

Medium Clouds (% Sky Obscured)

1
3
17
32
37
55
61
63
70
77
70
64
58
72
87
100
83
67
50
50
45
35
29
19

High Clouds (% Sky Obscured)

16
12
8
4
30
57
73
58
41
22
18
17
12
22
26
29
21
21
17
19
29
36
40
44

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 (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
72
77
83
86
88
89
89
89
89
89
91
91
89
89
89
86
81
78
76
72
69
72

Pressure (mb)

1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

391
391
392
393
394
395
396
397
398
399
400
400
399
399
400
401
402
403
404
405
405
405
406
405

Sunday 8

Waning Gibbous 53%

01:28

10:20

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: 07:38, Set: 17:37, Transit: 12:38. Moon - Rise: 01:28, Set: 10:20. Civil Dark: 18:09 - 07:06. Nautical Dark: 18:45 - 06:29. Astro Dark: 19:21 - 05:54

Total Clouds (% Sky Obscured)

88
92
94
97
97
97
98
88
81
76
76
76
74
80
85
87

Low Clouds (% Sky Obscured)

44
60
77
95
94
93
95
86
79
71
71
67
69
63
61
55

Medium Clouds (% Sky Obscured)

20
40
55
68
74
77
78
61
45
25
25
20
20
11
6
1

High Clouds (% Sky Obscured)

58
57
52
48
39
33
45
50
55
60
60
65
65
45
30
11

ISS Passover

Visibility (miles)

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

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

0
10
20
27
29
26
18
15
11
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
0
0
-0
1
-0
-0
0
-0
-1
0
0
0
0

Relative Humidity (%)

75
77
80
83
89
89
91
91
91
93
93
92
94
94
93
93

Pressure (mb)

1009
1008
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006

Ozone (du)

403
402
402
402
402
401
400
399
399
398
398
401
405
408
408
407

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

Generated: 02/02/26 15:14:32. Forecast: 02/02/26 to 08/02/26. Timezone: UTC+1.00