Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 26%

03:43

12:19

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: 08:07, Set: 16:57, Transit: 12:33. Moon - Rise: 03:43, Set: 12:19. Civil Dark: 17:31 - 07:33. Nautical Dark: 18:10 - 06:54. Astro Dark: 18:47 - 06:18

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
99
97
91
100
100
100
100
100
96
86
94
91
98
92
70
84
100
72

Low Clouds (% Sky Obscured)

94
88
90
98
84
74
79
75
63
48
35
54
20
10
0
0
0
0
0
2
2
5
28
37

Medium Clouds (% Sky Obscured)

100
93
97
92
100
98
53
46
46
61
95
100
84
100
95
83
89
91
95
92
70
74
41
36

High Clouds (% Sky Obscured)

100
65
100
100
100
98
94
70
61
100
100
93
88
100
78
79
85
74
94
68
66
79
99
56

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
1
8
9
9
9
9
9
9
9
2
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
11
32
62
69
32
12
6
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
9
9
10
9
8
8
8
8
9
9
9
9
9
9
9
8
7
6
6
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
98
98
96
98
98
96
94
94
93
94
94
96
100
98
100
100

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1018
1017

Ozone (du)

325
325
324
325
323
323
322
320
319
319
319
318
318
317
319
317
318
320
322
323
323
324
326
326

Tuesday 13

Waning Crescent 18%

04:51

12:50

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: 08:07, Set: 16:58, Transit: 12:33. Moon - Rise: 04:51, Set: 12:50. Civil Dark: 17:33 - 07:32. Nautical Dark: 18:11 - 06:54. Astro Dark: 18:48 - 06:17

Total Clouds (% Sky Obscured)

60
86
100
100
52
70
75
100
63
63
66
89
100
100
100
100
100
100
100
95
100
86
66
99

Low Clouds (% Sky Obscured)

38
36
40
44
44
44
44
42
35
10
0
0
0
2
2
2
2
0
0
0
2
2
16
31

Medium Clouds (% Sky Obscured)

15
11
3
20
3
4
2
2
13
0
21
63
45
45
45
17
2
41
74
71
87
36
52
50

High Clouds (% Sky Obscured)

18
50
74
96
45
70
75
100
58
62
63
69
100
74
100
99
100
100
100
88
100
63
18
62

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
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
1
2
5
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
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
14
33

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

Chance of Frost

Temperature (°C)

8
7
6
5
3
2
1
1
1
2
2
3
3
2
2
1
1
1
1
1
2
3
5
5

Feels Like (°C)

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

Dew Point (°C)

8
7
6
5
3
1
1
1
1
1
1
2
2
2
1
-0
-0
0
-1
-1
1
2
3
3

Relative Humidity (%)

100
100
100
100
98
98
100
98
96
94
94
94
94
96
94
93
93
93
92
91
89
89
89
88

Pressure (mb)

1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019

Ozone (du)

327
326
323
323
322
322
322
324
325
325
326
325
326
327
326
326
327
329
331
333
334
335
336
336

Wednesday 14

Waning Crescent 11%

05:55

13:29

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 Bad
08 Bad
09 OK
10 OK
11 OK
12 Bad
13 OK

Sun - Rise: 08:06, Set: 16:59, Transit: 12:33. Moon - Rise: 05:55, Set: 13:29. Civil Dark: 17:34 - 07:32. Nautical Dark: 18:12 - 06:54. Astro Dark: 18:49 - 06:17

Total Clouds (% Sky Obscured)

100
83
100
100
100
86
68
74
55
94
82
83
91
88
76
73
45
57
60
38
36
36
55
39

Low Clouds (% Sky Obscured)

37
69
67
68
54
42
25
25
10
38
37
42
33
40
20
34
37
27
14
2
2
2
2
0

Medium Clouds (% Sky Obscured)

45
48
52
55
64
62
65
66
50
92
82
80
87
85
74
66
19
33
34
3
2
2
0
0

High Clouds (% Sky Obscured)

40
12
42
55
99
45
40
45
50
40
35
30
30
25
25
0
0
12
26
38
36
36
52
38

ISS Passover

Visibility (miles)

9
2
0
0
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
1
1
1
1
1
1
1

Precipitation Type

Very Light Rain
Light Rain
Light Rain
Light Rain
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 (%)

50
72
88
78
63
42
11
6
3
3
6
7
3
3
4
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.8
1.2
1
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
10
9
9
8
8
7
7
7
7
7
7
6
6
7
7
7
7
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
94
91
88
88
86
86
86
85
85
86
88
86
88
86
86
86
85
83
83
82
83

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1021
1021
1020
1020
1020
1019
1018
1017

Ozone (du)

336
336
338
340
343
345
347
350
352
353
353
354
356
357
362
362
359
356
356
357
353
351
348
344

Thursday 15

Waning Crescent 6%

06:52

No Set

14 OK
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: 08:05, Set: 17:01, Transit: 12:34. Moon - Rise: 06:52, Set: No Set. Civil Dark: 17:35 - 07:31. Nautical Dark: 18:13 - 06:53. Astro Dark: 18:50 - 06:16

Total Clouds (% Sky Obscured)

39
44
49
82
71
83
66
57
57
60
60
60
65
67
77
86
70
84
75
69
74
80
86
85

Low Clouds (% Sky Obscured)

0
1
15
27
40
35
31
27
18
9
0
0
0
0
0
1
0
0
3
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
17
26
48
41
46
41
41
30
33
79
85
50

High Clouds (% Sky Obscured)

35
38
39
77
56
73
55
48
48
50
50
60
60
60
50
67
44
50
38
20
20
20
25
40

ISS Passover

Visibility (miles)

9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
2
2
0
1
1
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
94
93
91
93
91
89
89
91
91
93
89
89
89
91
89
89
89
91
86
83
83
82

Pressure (mb)

1017
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1017
1016

Ozone (du)

343
341
338
331
327
324
324
325
328
329
330
333
334
333
333
334
332
331
331
330
332
332
330
330

Friday 16

Waning Crescent 2%

07:39

14:20

14 OK
15 OK
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: 08:05, Set: 17:02, Transit: 12:34. Moon - Rise: 07:39, Set: 14:20. Civil Dark: 17:36 - 07:30. Nautical Dark: 18:14 - 06:52. Astro Dark: 18:51 - 06:16

Total Clouds (% Sky Obscured)

43
35
41
51
74
75
95
99
99
100
100
96
91
88
91
94
96
95
95
94
95
95
95
95

Low Clouds (% Sky Obscured)

2
2
1
1
2
2
2
2
1
1
0
1
2
3
4
4
5
9
14
19
28
33
40
44

Medium Clouds (% Sky Obscured)

42
35
38
40
35
30
29
28
24
83
74
58
39
24
22
24
26
44
62
80
59
38
17
37

High Clouds (% Sky Obscured)

13
16
33
51
74
62
58
47
68
84
100
90
81
71
80
85
89
71
48
29
41
54
71
55

ISS Passover

Visibility (miles)

9
9
9
9
9
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
88
93
93
92
92
92
94
94
96
96
96
98
98
96
98
98
96
94
91
89
86
83
83

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1018
1018

Ozone (du)

327
327
330
333
334
336
338
340
340
341
340
336
337
337
338
338
337
337
338
338
339
339
340
340

Saturday 17

Waning Crescent 0%

08:16

15:21

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: 08:04, Set: 17:04, Transit: 12:34. Moon - Rise: 08:16, Set: 15:21. Civil Dark: 17:38 - 07:30. Nautical Dark: 18:16 - 06:52. Astro Dark: 18:52 - 06:15

Total Clouds (% Sky Obscured)

94
94
96
99
100
100
100
100
99
98
97
98
99
100
98
96
94
85
75
63
59
52
46
61

Low Clouds (% Sky Obscured)

47
54
51
41
42
41
41
40
38
37
35
37
36
37
48
59
64
55
49
43
52
51
46
61

Medium Clouds (% Sky Obscured)

56
77
57
48
39
43
54
57
64
73
81
84
86
88
73
61
48
34
27
20
18
17
13
17

High Clouds (% Sky Obscured)

38
20
47
73
100
100
100
100
93
85
77
85
93
100
74
45
16
10
6
1
9
24
40
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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 (%)

2
2
6
8
8
11
12
9
14
12
8
11
9
3
5
6
3
4
4
1
4
2
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
1
1
2
2
2
3
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
89
94
96
94
96
94
96
96
96
96
98
98
96
98
96
94
94
94
92
93
93
93
91

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1020
1020
1019

Ozone (du)

341
342
343
347
350
353
357
361
366
371
377
382
384
385
387
384
382
379
381
384
386
388
390
392

Sunday 18

New Moon 1%

08:45

16:30

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: 08:03, Set: 17:05, Transit: 12:35. Moon - Rise: 08:45, Set: 16:30. Civil Dark: 17:39 - 07:29. Nautical Dark: 18:17 - 06:51. Astro Dark: 18:53 - 06:15

Total Clouds (% Sky Obscured)

72
85
91
95
100
100
100
100
100
100
100
99
98
96
97
99
100

Low Clouds (% Sky Obscured)

72
85
91
95
100
98
96
88
91
95
100
96
93
88
90
91
91

Medium Clouds (% Sky Obscured)

10
5
17
16
5
5
4
3
3
3
3
14
26
38
55
71
91

High Clouds (% Sky Obscured)

39
51
44
34
24
24
29
48
59
67
71
70
66
64
77
88
98

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
93
93
93
93
93
94
94
94
94
94
94
94
94

Pressure (mb)

1019
1019
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

395
397
400
403
406
409
410
411
412
413
414
415
415
415
414
415
416

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

Generated: 12/01/26 14:54:35. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+1.00