Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:34

16:59

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: 08:25, Set: 16:10, Transit: 12:18. Moon - Rise: 10:34, Set: 16:59. Civil Dark: 16:51 - 07:45. Nautical Dark: 17:34 - 07:01. Astro Dark: 18:16 - 06:20

Total Clouds (% Sky Obscured)

98
97
99
100
100
100
95
99
100
100
100
96
95
92
80
86
91
90
83
81
76
75
76
71

Low Clouds (% Sky Obscured)

70
72
86
90
85
85
90
85
85
85
90
90
90
87
80
86
91
90
83
81
76
75
76
71

Medium Clouds (% Sky Obscured)

6
4
3
3
2
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
97
96
93
83
78
65
85
94
100
100
83
65
49
9
10
11
21
13
12
11
6
5
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
0
1
0
2
36
76
99
53
55
31
51
36
29
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
82
86
88
88
91
91
91
93
94
94
94
94
96
96
96
94
94
94
91
88
83
82

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014

Ozone (du)

266
267
270
273
275
271
268
268
269
268
268
268
271
277
284
291
294
297
300
300
302
307
308
311

Monday 22

Waxing Crescent 6%

10:56

18:14

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: 08:26, Set: 16:10, Transit: 12:18. Moon - Rise: 10:56, Set: 18:14. Civil Dark: 16:51 - 07:45. Nautical Dark: 17:35 - 07:01. Astro Dark: 18:16 - 06:20

Total Clouds (% Sky Obscured)

65
57
56
65
62
68
72
78
86
94
92
93
97
98
95
94
95
95
94
98
100
100
98
96

Low Clouds (% Sky Obscured)

65
57
55
64
61
67
68
77
83
88
89
92
96
98
95
94
95
95
94
98
100
100
98
96

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
3
3
3
2
2
2
2
7
10
11
2
4
3
3
2
2
2
2
3
3
2
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
7
9
9

Fog (%)

0
0
1
0
0
1
2
2
1
1
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)

9
9
8
8
8
7
6
6
7
7
8
9
10
10
10
10
10
10
10
10
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
89
93
93
94
94
94
93
94
94
94
93
91
93
94
94
94
93
91
89
88
86

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1021
1021
1021

Ozone (du)

315
319
324
331
336
341
345
349
353
355
356
358
359
360
360
360
360
359
355
355
354
355
358
357

Tuesday 23

Waxing Crescent 12%

11:12

19:32

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: 08:26, Set: 16:11, Transit: 12:19. Moon - Rise: 11:12, Set: 19:32. Civil Dark: 16:52 - 07:45. Nautical Dark: 17:35 - 07:02. Astro Dark: 18:17 - 06:20

Total Clouds (% Sky Obscured)

96
97
93
96
91
86
79
77
72
79
76
94
92
96
94
100
100
100
100
99
92
81
94
92

Low Clouds (% Sky Obscured)

96
95
90
82
81
76
70
70
70
78
76
94
92
95
93
100
100
100
100
99
92
81
94
92

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
1
1
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
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
3
1
10
0
1
2
1
3
1
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)

13
13
13
13
13
13
13
12
13
13
13
13
14
14
14
13
14
13
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
83
83
86
86
88
89
91
89
87
86
84
83
81
78
77
71
68
64
71
75
74
71

Pressure (mb)

1022
1022
1023
1024
1024
1025
1026
1026
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1031
1032
1032
1033
1033
1033

Ozone (du)

358
357
362
365
367
368
369
369
371
371
374
374
376
375
375
377
378
380
379
378
380
383
384
387

Wednesday 24

Waxing Crescent 19%

11:24

20:51

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 OK
12 OK
13 OK

Sun - Rise: 08:26, Set: 16:12, Transit: 12:19. Moon - Rise: 11:24, Set: 20:51. Civil Dark: 16:52 - 07:46. Nautical Dark: 17:36 - 07:02. Astro Dark: 18:17 - 06:21

Total Clouds (% Sky Obscured)

88
84
77
72
69
69
66
63
57
50
44
50
53
52
56
55
55
55
55
55
48
37
26
30

Low Clouds (% Sky Obscured)

88
84
77
72
69
69
66
63
57
50
44
50
53
52
56
55
55
55
55
55
45
37
26
28

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)

0
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
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)

13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14
14
13
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-8
-8
-9
-9
-10
-10
-10
-11
-11
-12
-12
-12
-12
-13
-13
-13
-12
-12
-12
-11
-10

Dew Point (°C)

-6
-6
-6
-6
-7
-8
-10
-12
-13
-14
-15
-15
-16
-16
-16
-17
-17
-17
-16
-16
-16
-16
-15
-14

Relative Humidity (%)

71
72
75
76
72
69
62
58
52
50
48
48
46
45
45
45
46
46
47
48
47
46
47
47

Pressure (mb)

1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033

Ozone (du)

389
390
389
388
390
391
392
392
391
391
387
382
378
375
372
368
365
360
356
353
351
348
346
345

Thursday 25

Waxing Crescent 28%

11:36

22:10

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

Sun - Rise: 08:27, Set: 16:12, Transit: 12:20. Moon - Rise: 11:36, Set: 22:10. Civil Dark: 16:53 - 07:46. Nautical Dark: 17:37 - 07:02. Astro Dark: 18:18 - 06:21

Total Clouds (% Sky Obscured)

30
32
29
24
21
19
17
15
9
5
2
2
2
2
6
10
14
17
19
21
19
16
13
23

Low Clouds (% Sky Obscured)

30
30
27
23
21
19
17
15
9
5
2
2
2
2
2
2
2
2
2
2
2
2
2
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
13
11
7
4
3
2
2
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
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)

14
14
14
14
13
12
11
10
7
7
7
6
5
4
4
4
3
3
3
3
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-13
-12
-12
-12
-11
-11
-11
-11
-10
-10
-10
-9
-9
-9
-9
-9
-9
-8
-8
-8
-7
-6
-6

Relative Humidity (%)

47
50
54
56
56
59
61
61
64
66
67
69
70
72
73
73
76
77
76
76
75
73
71
70

Pressure (mb)

1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1033
1033
1033

Ozone (du)

344
342
340
336
331
329
330
329
331
335
334
334
331
329
326
326
325
324
325
325
325
326
326
327

Friday 26

Waxing Crescent 38%

11:47

23:29

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

Sun - Rise: 08:27, Set: 16:13, Transit: 12:20. Moon - Rise: 11:47, Set: 23:29. Civil Dark: 16:54 - 07:46. Nautical Dark: 17:37 - 07:03. Astro Dark: 18:19 - 06:21

Total Clouds (% Sky Obscured)

33
41
29
23
16
21
25
31
30
23
16
17
17
16
18
17
21
23
19
19
7
2
1
1

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

5
7
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
4
8
11
21
25
31
27
20
16
15
13
12
7
12
13
19
17
14
6
2
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
79
82
84
86
86
87
87
87
87
89
89
87
87
89
89
89
89
87
87
84
83
80

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1033
1033
1033
1033
1033
1033
1032
1033
1033
1033
1033
1032
1032

Ozone (du)

328
329
329
332
335
337
338
338
338
340
341
342
341
341
340
343
346
349
352
354
357
358
359
359

Saturday 27

First Quarter 49%

11:58

00:50

14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 08:27, Set: 16:14, Transit: 12:21. Moon - Rise: 11:58, Set: 00:50. Civil Dark: 16:55 - 07:46. Nautical Dark: 17:38 - 07:03. Astro Dark: 18:19 - 06:22

Total Clouds (% Sky Obscured)

1
1
2
2
2
12
19
23
17
12
7
7
8
8
6
5
4

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
15
23
16
8
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
91
91
91
92
92
91
91
89
89
87
84
82
81
79
79

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031

Ozone (du)

361
363
365
367
368
369
370
372
373
373
373
373
373
373
373
372
371

Forecast for Bockenem, Germany (52.00,10.12)

Generated: 21/12/25 14:33:32. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00