Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

12:19

03:26

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

Sun - Rise: 08:05, Set: 16:30, Transit: 12:18. Moon - Rise: 12:19, Set: 03:26. Civil Dark: 17:06 - 07:29. Nautical Dark: 17:46 - 06:50. Astro Dark: 18:24 - 06:12

Total Clouds (% Sky Obscured)

41
21
33
41
45
42
20
34
41
10
1
2
41
40
49
85
99
100
100
100
100
100
84
91

Low Clouds (% Sky Obscured)

0
21
33
41
45
42
20
34
41
10
0
0
41
40
49
82
99
100
100
100
100
100
82
91

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)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
3
3
1
0
0
2
9

Fog (%)

12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
21
26
36
33
31
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
63
66
78
91
94
94
96
94
94
94
94
94
92
90
85
87
92
92
96
94
92
89

Pressure (mb)

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

Ozone (du)

310
313
319
323
318
315
315
316
311
307
306
310
305
303
299
295
295
294
300
305
307
303
294
288

Tuesday 30

Waxing Gibbous 82%

12:43

04:53

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

Sun - Rise: 08:05, Set: 16:31, Transit: 12:18. Moon - Rise: 12:43, Set: 04:53. Civil Dark: 17:07 - 07:29. Nautical Dark: 17:47 - 06:50. Astro Dark: 18:24 - 06:12

Total Clouds (% Sky Obscured)

88
100
96
53
48
34
32
28
7
6
3
2
5
5
5
6
5
10
29
22
20
55
28
26

Low Clouds (% Sky Obscured)

88
100
96
44
39
13
8
6
1
1
0
0
0
0
0
0
1
1
7
9
11
52
28
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
0
21
17
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
0
0
0
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
63
67
21
9
3
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 (%)

29
22
26
17
16
8
7
5
5
3
1
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
5
5
5
5
4
3
2
2
2
1
1
1
1
0
0
1
2
1
1
2
3
2
2

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-3
-4
-5
-5
-5
-5
-6
-6
-6
-7
-7
-7
-8
-8
-8
-9
-9
-8
-6

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-7
-7
-7
-6
-6
-7
-6
-7
-7
-8
-8
-9
-9
-10
-11
-10
-10
-7

Dew Point (°C)

-5
-6
-7
-7
-6
-4
-5
-5
-6
-6
-6
-7
-7
-8
-8
-8
-8
-9
-9
-9
-10
-10
-10
-10

Relative Humidity (%)

79
74
71
71
76
89
94
94
94
94
92
90
90
90
92
92
92
92
92
94
92
92
87
76

Pressure (mb)

1027
1026
1026
1026
1026
1027
1028
1028
1029
1030
1030
1030
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030
1029

Ozone (du)

287
288
290
298
307
314
320
327
332
334
339
348
355
351
354
353
352
350
350
353
355
358
358
355

Wednesday 31

Waxing Gibbous 90%

13:16

06:19

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

Sun - Rise: 08:05, Set: 16:32, Transit: 12:19. Moon - Rise: 13:16, Set: 06:19. Civil Dark: 17:08 - 07:29. Nautical Dark: 17:47 - 06:50. Astro Dark: 18:25 - 06:12

Total Clouds (% Sky Obscured)

20
4
3
38
44
45
72
53
55
53
52
43
24
8
13
23
9
10
23
14
21
49
12
20

Low Clouds (% Sky Obscured)

20
4
0
0
17
27
68
53
55
53
52
43
24
0
1
0
1
1
1
1
1
1
0
0

Medium Clouds (% Sky Obscured)

10
0
3
38
44
42
62
24
29
21
10
4
0
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
4
6
4
4
0
0
0
0
7
5
11
22
6
4
19
9
14
32
7
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-11
-11
-9
-6
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-8
-8
-9
-9
-9
-9
-10

Relative Humidity (%)

66
56
51
50
58
75
84
81
78
75
75
74
74
74
75
76
76
76
77
77
76
76
70
59

Pressure (mb)

1028
1027
1027
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1024
1023
1023
1022
1021
1021
1020
1020
1019
1018

Ozone (du)

352
348
344
342
340
338
337
338
340
340
337
335
334
332
332
329
324
321
322
323
323
324
328
327

Thursday 1

Waxing Gibbous 97%

14:01

07:35

11 Good
12 OK
13 OK
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

Sun - Rise: 08:05, Set: 16:33, Transit: 12:19. Moon - Rise: 14:01, Set: 07:35. Civil Dark: 17:09 - 07:29. Nautical Dark: 17:48 - 06:50. Astro Dark: 18:26 - 06:12

Total Clouds (% Sky Obscured)

16
20
20
44
100
95
87
80
84
84
53
91
53
100
59
60
77
85
68
54
61
60
74
51

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
1
0
0
0
0
0
0
15
31
46
44
42
39
47
48
51
47

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
10
13
20
36
50
55
60
52
50
46
33
30
30
32
27

High Clouds (% Sky Obscured)

11
14
20
44
100
87
77
69
71
73
41
79
52
100
59
60
77
73
47
25
19
10
5
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 (%)

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
2
3
2
4
4
3
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)

5
5
6
6
5
6
6
8
9
11
12
13
15
15
16
16
16
16
15
15
13
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-2
-1
-1
-4
-5
-6
-7
-7
-6
-6
-7
-7
-8
-6
-6
-7
-7
-6
-6
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

49
45
45
51
62
77
83
76
68
56
54
55
61
66
66
66
66
67
68
70
74
81
81
71

Pressure (mb)

1016
1014
1013
1012
1011
1011
1011
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1009

Ozone (du)

328
324
320
319
321
321
324
330
338
339
341
346
371
393
393
389
386
387
388
387
384
383
383
383

Friday 2

Waxing Gibbous 100%

15:04

08:34

11 Bad
12 Bad
13 OK
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

Sun - Rise: 08:05, Set: 16:34, Transit: 12:20. Moon - Rise: 15:04, Set: 08:34. Civil Dark: 17:10 - 07:29. Nautical Dark: 17:49 - 06:50. Astro Dark: 18:27 - 06:12

Total Clouds (% Sky Obscured)

46
45
37
27
52
69
68
66
63
64
65
71
75
82
84
84
86
84
82
80
91
96
100
100

Low Clouds (% Sky Obscured)

44
41
35
27
23
20
19
16
17
17
17
44
40
30
30
35
35
35
35
40
40
35
35
30

Medium Clouds (% Sky Obscured)

22
12
8
4
0
0
0
5
63
64
65
71
75
82
84
84
86
84
82
80
91
96
100
100

High Clouds (% Sky Obscured)

0
0
0
0
15
34
40
45
37
53
55
53
51
30
17
33
58
67
67
63
49
47
53
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
2
2
1
1
1
1
1
1
1

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Frozen rai
Frozen rai

Precipitation Probability (%)

4
4
4
3
0
0
0
0
0
0
2
4
29
38
41
44
48
57
63
67
67
68
68
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
12
11
9
8
8
7
7
6
5
4
4
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-3
-3
-3
-3
-3
-3
-3
-4
-4
-3
-4
-4
-4
-4
-4
-4
-4
-4
-3

Relative Humidity (%)

67
61
60
61
65
80
89
91
92
92
87
87
86
86
91
91
92
92
94
92
94
96
94
96

Pressure (mb)

1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1006
1005
1005
1005
1005
1004

Ozone (du)

380
375
369
360
352
337
314
300
293
289
285
284
284
284
285
286
287
288
289
290
292
295
299
302

Saturday 3

Full Moon 99%

16:21

09:17

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
09 Bad
10 Bad

Sun - Rise: 08:05, Set: 16:35, Transit: 12:20. Moon - Rise: 16:21, Set: 09:17. Civil Dark: 17:11 - 07:29. Nautical Dark: 17:50 - 06:50. Astro Dark: 18:28 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
96
97
96
96
88

Low Clouds (% Sky Obscured)

25
20
9
13
13
24
37
47
36
27
25
13
7
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
98
98
100
100
100
100
98
97
95
97
99
100
99
98
94
90
89
85
87
88
91
85

High Clouds (% Sky Obscured)

76
94
93
92
92
80
65
52
69
84
100
100
100
100
100
100
100
72
44
20
24
24
33
39

ISS Passover

Visibility (miles)

4
7
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

Frozen rai
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 (%)

60
42
46
43
24
37
36
23
28
29
24
27
23
4
7
5
0
1
1
0
1
1
0
0

Precipitation Amount (mm)

0.3
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
2
2
2
2
2
3
3
4
4
3
3
3
2
2
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-3
-3
-3
-3
-3
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

92
91
89
89
89
91
91
89
89
91
91
92
91
92
94
92
91
89
91
91
91
91
89
88

Pressure (mb)

1004
1003
1002
1002
1001
1001
1001
1001
1001
1000
1000
999
999
999
999
998
998
997
997
996
996
995
995
994

Ozone (du)

301
300
299
299
300
300
300
300
301
304
308
312
316
320
324
328
331
335
335
334
333
333
332
331

Sunday 4

Waning Gibbous 96%

17:47

09:47

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

Sun - Rise: 08:05, Set: 16:36, Transit: 12:20. Moon - Rise: 17:47, Set: 09:47. Civil Dark: 17:12 - 07:29. Nautical Dark: 17:51 - 06:50. Astro Dark: 18:29 - 06:12

Total Clouds (% Sky Obscured)

79
71
70
69
69
72
77
80
77
73
71
83
92
100
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

1
1
4
10
14
13
11
9
7
4
0
0
0
0
0
0
0
1
2
2

Medium Clouds (% Sky Obscured)

77
71
70
69
69
72
77
80
77
72
61
71
81
92
93
92
92
92
96
99

High Clouds (% Sky Obscured)

28
19
32
44
56
53
63
52
58
61
71
82
92
100
98
97
98
99
100
100

ISS Passover

Visibility (miles)

8
8
7
7
6
6
7
8
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
1
0
1
1
0
1
1
0
0
0
0
0
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

Wind Speed/Direction (mph)

4
4
4
3
3
3
4
4
4
4
4
5
4
4
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
88
91
96
96
94
94
94
94
91
93
93
93
91
91
89
89
91

Pressure (mb)

993
992
992
991
991
991
991
991
991
991
991
991
991
992
992
992
992
993
994
995

Ozone (du)

332
332
333
334
334
335
337
340
342
345
348
350
350
350
349
351
353
355
352
350

Forecast for Sankt Ottilien, Upper Bavaria, Germany (48.10,11.05)

Generated: 29/12/25 11:14:34. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+1.00