Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 7%

05:56

14:20

05 OK
06 Bad
07 Bad
08 Bad
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 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:08, Set: 16:36, Transit: 12:22. Moon - Rise: 05:56, Set: 14:20. Civil Dark: 17:12 - 07:32. Nautical Dark: 17:51 - 06:53. Astro Dark: 18:28 - 06:16

Total Clouds (% Sky Obscured)

46
58
68
100
100
98
97
88
98
90
94
98
97
97
93
85
82
86
87
29
32
43
43
43

Low Clouds (% Sky Obscured)

27
58
68
70
57
38
62
81
79
78
77
77
78
82
80
77
77
82
87
24
27
43
43
43

Medium Clouds (% Sky Obscured)

46
58
68
97
72
42
68
32
49
39
47
59
58
53
39
22
16
10
3
3
3
3
3
3

High Clouds (% Sky Obscured)

34
58
68
100
100
69
51
52
60
48
3
3
4
9
4
4
4
3
0
0
0
0
0
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 (%)

98
96
92
88
86
51
51
49
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22

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
4
0
8
12
11
6
3
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
85
83
80
76
74
76
77
77
78
79
79
80
80
80
80
80
80
86
88
89
89

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1023
1023
1022
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

311
310
311
311
308
306
307
310
312
313
318
320
320
321
322
322
324
325
327
331
332
327
325
322

Thursday 18

Waning Crescent 3%

07:03

14:53

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

Sun - Rise: 08:08, Set: 16:36, Transit: 12:22. Moon - Rise: 07:03, Set: 14:53. Civil Dark: 17:12 - 07:33. Nautical Dark: 17:51 - 06:53. Astro Dark: 18:28 - 06:16

Total Clouds (% Sky Obscured)

44
43
42
39
43
39
38
39
100
100
100
100
100
80
35
35
35
39
30
30
30
100
35
43

Low Clouds (% Sky Obscured)

38
38
42
39
38
35
35
35
40
35
35
35
35
30
35
35
35
35
30
30
30
35
35
43

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
4
10
0
4
4
4
5
75
70
65
60
55
41
0
0
0
3
0
0
0
50
0
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 (%)

45
66
23
16
54
44
23
10
0
0
0
0
1
2
2
60
100
100
100
100
100
100
100
100

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
2
1
1
1
2
1
2
1
2
2
1
1
1
1
2
2
1
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
87
86
78
72
66
62
66
73
79
83
86
88
89
89
89
89
87
89
87
86
86

Pressure (mb)

1027
1026
1027
1027
1027
1027
1027
1026
1025
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

321
326
328
329
328
325
320
315
316
317
316
314
311
311
311
313
311
308
306
303
304
305
303
298

Friday 19

Waning Crescent 1%

08:05

15:36

05 OK
06 OK
07 OK
08 Bad
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

Sun - Rise: 08:09, Set: 16:37, Transit: 12:23. Moon - Rise: 08:05, Set: 15:36. Civil Dark: 17:12 - 07:33. Nautical Dark: 17:51 - 06:54. Astro Dark: 18:29 - 06:17

Total Clouds (% Sky Obscured)

40
35
40
52
69
62
98
95
100
99
97
96
97
96
96
96
100
100
100
100
100
100
86
61

Low Clouds (% Sky Obscured)

40
35
40
40
40
40
40
40
40
35
32
30
33
30
25
30
40
40
35
35
35
38
43
43

Medium Clouds (% Sky Obscured)

2
0
0
2
2
2
15
23
26
28
29
68
66
50
68
59
38
21
37
42
44
48
55
54

High Clouds (% Sky Obscured)

0
0
0
6
20
16
48
49
50
45
45
45
40
35
30
30
30
35
40
40
45
45
31
12

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 (%)

99
98
100
100
100
100
100
99
23
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
1
2
1
0
1
1
1
1
1
1
2
2
2
1
1
2
2
2
2
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
84
87
83
77
69
65
63
63
69
73
74
74
76
79
80
83
86
88
88
89
89
91

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021

Ozone (du)

293
291
283
277
272
269
269
267
265
266
277
303
315
324
326
327
324
323
324
322
316
306
301
296

Saturday 20

New Moon 0%

08:59

16:30

05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 08:09, Set: 16:37, Transit: 12:23. Moon - Rise: 08:59, Set: 16:30. Civil Dark: 17:13 - 07:34. Nautical Dark: 17:52 - 06:55. Astro Dark: 18:29 - 06:17

Total Clouds (% Sky Obscured)

85
88
57
54
75
53
47
93
49
51
48
48
51
51
54
56
57
55
55
98
99
92
55
70

Low Clouds (% Sky Obscured)

43
43
43
43
43
39
32
25
29
23
18
24
24
25
24
20
19
19
20
21
20
19
18
19

Medium Clouds (% Sky Obscured)

57
60
57
54
75
53
47
92
49
51
48
48
51
51
54
56
57
55
54
89
95
82
42
47

High Clouds (% Sky Obscured)

34
38
5
3
3
1
3
4
19
35
48
48
50
51
54
55
57
55
55
82
76
40
27
53

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 (%)

1
1
3
6
7
21
29
31
30
25
19
21
20
10
16
16
4
10
16
3
9
9
2
4

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
1
1
1
1
1
1
1
1
1
2
1
1
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
92
92
83
77
72
69
68
72
80
85
86
88
88
89
89
89
91
89
91
91
93

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

293
293
292
291
289
286
284
283
282
282
283
284
284
284
283
285
286
288
288
288
288
289
288
287

Sunday 21

Waxing Crescent 2%

09:42

17:34

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
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

Sun - Rise: 08:10, Set: 16:38, Transit: 12:24. Moon - Rise: 09:42, Set: 17:34. Civil Dark: 17:13 - 07:34. Nautical Dark: 17:52 - 06:55. Astro Dark: 18:30 - 06:18

Total Clouds (% Sky Obscured)

62
89
100
100
81
55
59
72
74
40
27
59
81
77
91
85
79
80
82
81
87
91
96
95

Low Clouds (% Sky Obscured)

21
25
20
15
10
6
4
0
0
0
0
6
12
19
6
14
21
27
38
51
56
57
54
50

Medium Clouds (% Sky Obscured)

48
47
50
52
55
50
36
25
20
13
12
8
6
4
57
57
56
51
27
21
16
15
15
16

High Clouds (% Sky Obscured)

62
89
100
100
81
55
54
56
58
28
14
39
62
55
91
85
79
80
82
81
87
91
95
95

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 (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
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)

2
2
2
2
2
1
2
2
2
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
89
83
76
71
69
69
75
82
86
88
88
89
89
91
91
91
93
93
93
94

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

287
288
290
289
288
288
285
284
284
284
285
288
290
291
293
295
297
299
302
305
308
308
307
306

Monday 22

Waxing Crescent 6%

10:17

18:44

05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 08:10, Set: 16:38, Transit: 12:24. Moon - Rise: 10:17, Set: 18:44. Civil Dark: 17:14 - 07:35. Nautical Dark: 17:53 - 06:56. Astro Dark: 18:30 - 06:18

Total Clouds (% Sky Obscured)

94
93
95
98
100
99
99
98
96
95
94
84
74
63
70
78
86
91
95
99
99
99
98
91

Low Clouds (% Sky Obscured)

46
43
44
45
47
45
44
43
41
40
34
32
25
23
31
35
40
40
45
40
35
30
25
20

Medium Clouds (% Sky Obscured)

22
32
57
71
69
49
29
9
11
13
11
9
6
1
1
1
1
1
2
2
7
13
20
18

High Clouds (% Sky Obscured)

94
93
95
98
100
92
83
75
66
56
50
39
32
29
25
24
23
29
32
39
48
62
68
67

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 (%)

1
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
2
2
3
3
3
3
3
3
3
3
3
3
2
2
2
2
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
93
89
88
85
80
78
80
85
88
89
93
94
94
94
94
94
94
96
96
94
94

Pressure (mb)

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

Ozone (du)

306
307
307
310
313
317
323
330
337
344
352
359
368
377
386
388
391
393
395
397
399
403
407
411

Tuesday 23

Waxing Crescent 12%

10:43

19:56

05 Bad
06 Bad
07 Bad
08 Bad
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: 08:11, Set: 16:39, Transit: 12:25. Moon - Rise: 10:43, Set: 19:56. Civil Dark: 17:14 - 07:35. Nautical Dark: 17:53 - 06:56. Astro Dark: 18:31 - 06:19

Total Clouds (% Sky Obscured)

84
77
86
93
100
97
93
92
95
97
100
100
100
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

15
20
35
55
69
65
56
51
49
51
53
62
75
90
89
90
90
92
94
96

Medium Clouds (% Sky Obscured)

16
14
33
50
64
55
47
38
54
73
90
72
56
65
78
94
91
94
97
100

High Clouds (% Sky Obscured)

58
50
64
78
89
78
68
59
74
88
100
95
90
85
76
63
51
51
47
50

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
2
2
5
5
1
25
37
46
39
32
23
25
21
13

Precipitation Amount (mm)

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
2
2
2
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
91
88
86
82
77
73
77
80
85
86
89
93
91
93
93
93
93

Pressure (mb)

1007
1008
1008
1009
1009
1010
1010
1010
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013

Ozone (du)

413
414
415
413
411
409
409
409
410
407
404
401
389
377
365
364
363
362
361
361

Forecast for Stampfenbach, Zürich District, Switzerland (47.38,8.54)

Generated: 17/12/25 05:22:36. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+1.00