Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 49%

11:43

00:43

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

Sun - Rise: 08:14, Set: 16:18, Transit: 12:16. Moon - Rise: 11:43, Set: 00:43. Civil Dark: 16:56 - 07:35. Nautical Dark: 17:38 - 06:54. Astro Dark: 18:18 - 06:14

Total Clouds (% Sky Obscured)

0
1
1
1
46
4
4
3
0
0
0
0
0
0
2
2
2
2
2
3
51
72
73
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
72
73
87

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
1
32
4
4
3
0
0
0
0
0
0
2
2
2
2
2
3
2
1
1
3

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
2
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-7
-6
-6
-6
-6
-6
-4
-1
2
3
4
3
1
1
0
-1
-1
-1
-3
-4
-3
-2

Dew Point (°C)

-16
-15
-14
-14
-12
-12
-11
-11
-10
-8
-6
-5
-3
-3
-2
-2
-2
-3
-2
-3
-4
-4
-3
-2

Relative Humidity (%)

43
46
47
49
51
54
57
58
55
53
53
55
61
68
76
80
83
84
87
87
89
91
92
92

Pressure (mb)

1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1031
1030
1029
1029
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031

Ozone (du)

290
289
288
287
287
288
289
291
292
295
295
295
295
295
295
295
294
296
295
294
294
295
294
295

Sunday 28

Waxing Gibbous 61%

11:57

02:06

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

Sun - Rise: 08:14, Set: 16:19, Transit: 12:16. Moon - Rise: 11:57, Set: 02:06. Civil Dark: 16:57 - 07:36. Nautical Dark: 17:39 - 06:54. Astro Dark: 18:19 - 06:14

Total Clouds (% Sky Obscured)

85
55
58
49
32
28
33
36
29
17
0
0
0
1
2
2
2
0
2
0
2
29
32
31

Low Clouds (% Sky Obscured)

85
55
58
49
32
28
33
36
29
17
0
0
0
0
0
0
0
0
0
0
0
25
30
30

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
1
2
2
2
0
2
0
2
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
9
9
9

Fog (%)

4
5
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)

6
3
3
3
2
3
4
4
7
8
8
7
6
5
4
4
4
3
3
2
2
2
1
0

Chance of Frost

Temperature (°C)

0
1
1
-0
-1
-1
-2
-3
-2
-1
0
1
1
1
-0
-2
-3
-4
-5
-6
-7
-8
-8
-9

Feels Like (°C)

-4
-2
0
-1
-2
-3
-3
-4
-4
-4
-3
-2
-1
-1
-2
-3
-5
-6
-6
-7
-8
-9
-9
-10

Dew Point (°C)

-2
-1
-0
-1
-2
-2
-3
-4
-6
-7
-8
-9
-9
-8
-6
-7
-9
-10
-12
-14
-15
-17
-18
-19

Relative Humidity (%)

86
91
93
94
94
92
92
89
75
62
52
48
49
53
63
67
64
60
56
54
51
48
46
43

Pressure (mb)

1031
1031
1031
1031
1032
1032
1032
1033
1033
1033
1032
1032
1031
1031
1031
1031
1030
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

296
297
299
299
298
297
297
296
296
297
299
299
298
297
295
291
287
283
280
278
276
277
276
276

Monday 29

Waxing Gibbous 72%

12:13

02:06

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

Sun - Rise: 08:14, Set: 16:20, Transit: 12:17. Moon - Rise: 12:13, Set: 02:06. Civil Dark: 16:58 - 07:36. Nautical Dark: 17:40 - 06:54. Astro Dark: 18:19 - 06:14

Total Clouds (% Sky Obscured)

2
2
2
2
4
3
3
3
3
4
4
4
3
3
27
23
42
40
38
37
85
95
100
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
23
42
40
38
37
82
93
100
93

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

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

Chance of Frost

Temperature (°C)

-9
-9
-8
-8
-8
-8
-7
-7
-6
-4
-2
-0
-0
-0
-1
-2
-3
-4
-3
-3
-3
-2
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-19
-19
-19
-19
-20
-20
-20
-20
-20
-19
-18
-16
-16
-13
-12
-12
-13
-13
-12
-9
-8
-7
-5
-3

Relative Humidity (%)

43
41
40
38
37
36
36
35
32
29
27
28
30
37
42
46
47
49
52
62
68
69
77
81

Pressure (mb)

1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

277
280
282
285
286
288
287
287
285
285
286
287
289
290
292
298
300
299
299
295
293
295
299
305

Tuesday 30

Waxing Gibbous 82%

12:34

03:33

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
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:14, Set: 16:21, Transit: 12:17. Moon - Rise: 12:34, Set: 03:33. Civil Dark: 16:59 - 07:36. Nautical Dark: 17:41 - 06:54. Astro Dark: 18:20 - 06:15

Total Clouds (% Sky Obscured)

85
89
89
83
86
84
82
79
78
78
77
60
45
29
27
28
29
54
80
82
71
93
94
96

Low Clouds (% Sky Obscured)

85
85
84
81
82
79
75
72
72
73
74
58
42
27
27
28
29
48
64
76
71
81
82
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
61
73
52
64
64
76

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
5
10

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
8
8
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 (%)

12
10
12
12
11
14
17
14
22
12
8
6
9
6
1
0
0
6
7
7
12
16
15
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
84
83
86
81
80
78
75
70
67
65
66
69
77
84
86
84
86
84
87
92
84
78

Pressure (mb)

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

Ozone (du)

303
302
297
290
280
277
281
285
288
292
294
296
301
302
306
313
319
321
326
332
337
343
347
350

Wednesday 31

Waxing Gibbous 90%

13:03

05:03

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:14, Set: 16:22, Transit: 12:18. Moon - Rise: 13:03, Set: 05:03. Civil Dark: 17:00 - 07:36. Nautical Dark: 17:42 - 06:54. Astro Dark: 18:21 - 06:15

Total Clouds (% Sky Obscured)

98
100
99
99
98
98
98
98
96
95
93
95
96
97
93
89
82
77
73
69
60
53
52
66

Low Clouds (% Sky Obscured)

87
90
88
85
83
84
86
87
86
86
87
84
80
77
77
75
67
69
73
69
60
53
52
66

Medium Clouds (% Sky Obscured)

91
100
98
96
94
91
89
85
83
83
84
86
91
94
87
79
72
52
34
24
29
29
16
14

High Clouds (% Sky Obscured)

7
16
9
25
35
30
2
2
2
13
19
10
4
0
9
19
28
19
10
0
0
0
0
10

ISS Passover

Visibility (miles)

6
6
2
0
0
0
0
0
0
0
1
4
3
1
0
3
6
9
7
4
1
3
4
6

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

Precipitation Probability (%)

26
20
44
78
79
79
93
95
92
75
78
81
77
69
74
80
81
74
62
41
45
44
36
36

Precipitation Amount (mm)

0
0
0
0.5
0.5
0.4
0.7
1
0.6
0.4
0.4
0.5
0.4
0.2
0.3
0.3
0.3
0.3
0.2
0
0.1
0.1
0
0

Wind Speed/Direction (mph)

9
9
10
11
11
11
11
11
10
11
10
8
8
9
11
10
11
14
13
13
13
11
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
92
92
92
96
94
96
94
96
88
77
77
83
89
98
87
78
69
72
76
79
81
79
81

Pressure (mb)

1022
1021
1020
1019
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1015
1015
1015
1016
1017
1017
1018
1018
1019

Ozone (du)

353
356
355
351
347
353
353
355
355
357
362
369
376
382
389
390
391
392
398
405
411
409
407
405

Thursday 1

Waxing Gibbous 97%

13:47

06:32

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:14, Set: 16:23, Transit: 12:18. Moon - Rise: 13:47, Set: 06:32. Civil Dark: 17:01 - 07:36. Nautical Dark: 17:42 - 06:54. Astro Dark: 18:22 - 06:15

Total Clouds (% Sky Obscured)

66
56
49
41
32
48
63
79
86
94
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

66
56
49
41
32
48
51
40
55
74
94
93
94
94
95
96
98
98
97
97
98
98
98
97

Medium Clouds (% Sky Obscured)

6
3
3
2
2
24
49
71
83
94
100
100
100
100
99
98
97
94
90
85
89
90
94
92

High Clouds (% Sky Obscured)

18
26
49
41
32
48
63
79
86
94
91
77
78
71
63
58
64
76
88
100
95
76
54
35

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
8
7
5
4
2
0
0
0
0
0
0
0
0
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

34
27
32
31
27
24
20
14
25
31
34
43
49
51
50
52
53
77
94
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.2
0.2
0.4
0.7
0.9
0.9
0.9
0.8
0.7

Wind Speed/Direction (mph)

6
6
5
4
4
3
4
4
5
6
7
8
9
9
10
9
8
7
7
8
8
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
84
85
89
90
87
84
81
76
71
67
74
81
86
89
91
94
94
96
98
96
98
96

Pressure (mb)

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

Ozone (du)

407
408
410
405
399
394
392
389
387
386
386
385
384
383
382
383
383
384
384
385
385
386
386
387

Friday 2

Waxing Gibbous 100%

14:48

07:49

Sun - Rise: 08:14, Set: 16:24, Transit: 12:19. Moon - Rise: 14:48, Set: 07:49. Civil Dark: 17:02 - 07:36. Nautical Dark: 17:43 - 06:54. Astro Dark: 18:23 - 06:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Rotheul, Germany (50.28,11.23)

Generated: 27/12/25 02:57:34. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00